/* =============================================================================
   Rediafile Modern Design System — rd-modern.css
   Google Drive / Dropbox inspired, clean professional aesthetic
   ============================================================================= */

/* ── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
    /* Primary Palette */
    --rd-primary: var(--primaryColor, #4F6AF0);
    --rd-primary-dark: color-mix(in srgb, var(--rd-primary) 80%, #000);
    --rd-primary-light: color-mix(in srgb, var(--rd-primary) 15%, #fff);
    --rd-primary-ghost: color-mix(in srgb, var(--rd-primary) 8%, #fff);

    /* Neutrals */
    --rd-gray-50: #F9FAFB;
    --rd-gray-100: #F3F4F6;
    --rd-gray-200: #E5E7EB;
    --rd-gray-300: #D1D5DB;
    --rd-gray-400: #9CA3AF;
    --rd-gray-500: #6B7280;
    --rd-gray-600: #4B5563;
    --rd-gray-700: #374151;
    --rd-gray-800: #1F2937;
    --rd-gray-900: #111827;

    /* Accent */
    --rd-success: #10B981;
    --rd-warning: #F59E0B;
    --rd-danger: #EF4444;
    --rd-info: #3B82F6;

    /* Surfaces */
    --rd-bg: #FFFFFF;
    --rd-bg-alt: #F9FAFB;
    --rd-bg-sidebar: #F8F9FC;
    --rd-surface: #FFFFFF;
    --rd-surface-hover: #F3F4F6;

    /* Typography */
    --rd-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --rd-font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
    --rd-text: var(--rd-gray-800);
    --rd-text-secondary: var(--rd-gray-500);
    --rd-text-muted: var(--rd-gray-400);

    /* Spacing */
    --rd-space-xs: 0.25rem;
    --rd-space-sm: 0.5rem;
    --rd-space-md: 1rem;
    --rd-space-lg: 1.5rem;
    --rd-space-xl: 2rem;
    --rd-space-2xl: 3rem;
    --rd-space-3xl: 4rem;
    --rd-space-4xl: 6rem;

    /* Borders & Radius */
    --rd-radius-sm: 6px;
    --rd-radius-md: 10px;
    --rd-radius-lg: 14px;
    --rd-radius-xl: 20px;
    --rd-radius-full: 9999px;
    --rd-border: 1px solid var(--rd-gray-200);
    --rd-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --rd-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --rd-shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --rd-shadow-xl: 0 24px 60px rgba(0,0,0,0.16);

    /* Transitions */
    --rd-transition: 200ms ease;
    --rd-transition-slow: 350ms ease;

    /* Layout */
    --rd-sidebar-width: 260px;
    --rd-topbar-height: 60px;
    --rd-container-max: 1200px;
}

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--rd-font);
    font-size: 15px;
    line-height: 1.6;
    color: var(--rd-text);
    background: var(--rd-bg);
    overflow-x: hidden;
}

a { color: var(--rd-primary); text-decoration: none; transition: color var(--rd-transition); }
a:hover { color: var(--rd-primary-dark); }

img, svg { display: inline-block; vertical-align: middle; }

/* ── Container ────────────────────────────────────────────────────────────── */
.container {
    max-width: var(--rd-container-max);
    margin: 0 auto;
    padding: 0 var(--rd-space-lg);
}

/* ── Typography ───────────────────────────────────────────────────────────── */
h1 { font-size: 2.5rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; color: var(--rd-gray-900); }
h2 { font-size: 1.75rem; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; color: var(--rd-gray-800); }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.4; color: var(--rd-gray-700); }
h4 { font-size: 1.1rem; font-weight: 600; color: var(--rd-gray-700); }
p { margin-bottom: 0.75rem; }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.rd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    font-family: var(--rd-font);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
    border: 1px solid transparent;
    border-radius: var(--rd-radius-md);
    cursor: pointer;
    transition: all var(--rd-transition);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}
.rd-btn:hover { transform: translateY(-1px); box-shadow: var(--rd-shadow-md); }
.rd-btn:active { transform: translateY(0); }

.rd-btn--primary { background: var(--rd-primary); color: #fff; border-color: var(--rd-primary); }
.rd-btn--primary:hover { background: var(--rd-primary-dark); border-color: var(--rd-primary-dark); }

.rd-btn--outline { background: transparent; color: var(--rd-primary); border-color: var(--rd-primary); }
.rd-btn--outline:hover { background: var(--rd-primary-ghost); }

.rd-btn--danger { background: var(--rd-danger); color: #fff; border-color: var(--rd-danger); }
.rd-btn--danger:hover { background: #DC2626; }

.rd-btn--outline-danger { background: transparent; color: var(--rd-danger); border-color: var(--rd-danger); }
.rd-btn--outline-danger:hover { background: rgba(239,68,68,0.08); }

.rd-btn--sm { padding: 0.4rem 0.9rem; font-size: 0.82rem; border-radius: var(--rd-radius-sm); }
.rd-btn--full { width: 100%; }
.rd-btn--icon { padding: 0.5rem; border-radius: var(--rd-radius-full); }
.rd-btn--ghost { background: transparent; color: var(--rd-text-secondary); border: none; }
.rd-btn--ghost:hover { background: var(--rd-surface-hover); color: var(--rd-text); }

/* ── Form Elements ─────────────────────────────────────────────────────────── */
.rd-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--rd-gray-700);
    margin-bottom: 0.35rem;
}

.rd-input {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-family: var(--rd-font);
    font-size: 0.9rem;
    color: var(--rd-text);
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-300);
    border-radius: var(--rd-radius-md);
    transition: all var(--rd-transition);
    outline: none;
}
.rd-input:focus { border-color: var(--rd-primary); box-shadow: 0 0 0 3px var(--rd-primary-light); }
.rd-input::placeholder { color: var(--rd-gray-400); }

.rd-select {
    width: 100%;
    padding: 0.65rem 2rem 0.65rem 0.85rem;
    font-family: var(--rd-font);
    font-size: 0.9rem;
    color: var(--rd-text);
    background: var(--rd-bg) url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7280' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") right 0.75rem center / 12px no-repeat;
    border: 1px solid var(--rd-gray-300);
    border-radius: var(--rd-radius-md);
    appearance: none;
    cursor: pointer;
    transition: all var(--rd-transition);
    outline: none;
}
.rd-select:focus { border-color: var(--rd-primary); box-shadow: 0 0 0 3px var(--rd-primary-light); }

.rd-input-wrapper {
    position: relative;
}
.rd-input-wrapper .rd-input {
    padding-left: 2.5rem;
}
.rd-input-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rd-gray-400);
    pointer-events: none;
}
.rd-input-toggle {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--rd-gray-400);
    cursor: pointer;
    padding: 0.25rem;
}
.rd-input-toggle:hover { color: var(--rd-gray-600); }

.rd-form-group {
    margin-bottom: 1.15rem;
}
.rd-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media (max-width: 540px) {
    .rd-form-row { grid-template-columns: 1fr; }
}

.rd-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 0.9rem;
}
.rd-checkbox-wrapper input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--rd-primary);
    cursor: pointer;
    flex-shrink: 0;
}
.rd-checkbox-custom {
    display: none;
}

.rd-field-hint {
    font-size: 0.8rem;
    color: var(--rd-text-muted);
    margin-top: 0.3rem;
}

.rd-form-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rd-gray-100);
    margin-top: 1.5rem;
}

/* ── Alerts ────────────────────────────────────────────────────────────────── */
.rd-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1.1rem;
    border-radius: var(--rd-radius-md);
    font-size: 0.88rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}
.rd-alert svg { flex-shrink: 0; margin-top: 2px; }
.rd-alert--error { background: rgba(239,68,68,0.08); color: #B91C1C; border: 1px solid rgba(239,68,68,0.2); }
.rd-alert--success { background: rgba(16,185,129,0.08); color: #065F46; border: 1px solid rgba(16,185,129,0.2); }
.rd-alert--info { background: rgba(59,130,246,0.08); color: #1E40AF; border: 1px solid rgba(59,130,246,0.2); }

/* ── Auth Pages (Login / Register) ─────────────────────────────────────────── */
.rd-auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--rd-space-2xl) 0;
    position: relative;
    overflow: hidden;
}
.rd-auth-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.rd-auth-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}
.rd-auth-orb--1 {
    width: 500px; height: 500px;
    background: var(--rd-primary);
    top: -150px; left: -150px;
    animation: orbFloat 8s ease-in-out infinite alternate;
}
.rd-auth-orb--2 {
    width: 350px; height: 350px;
    background: #a78bfa;
    bottom: -100px; right: -80px;
    animation: orbFloat 6s ease-in-out infinite alternate-reverse;
}
@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -20px) scale(1.05); }
}

.rd-auth-page > .container {
    position: relative;
    z-index: 1;
    width: 100%;
}
.rd-auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--rd-space-3xl);
    align-items: center;
   }
@media (max-width: 900px) {
    .rd-auth-container {
        grid-template-columns: 1fr;
        gap: var(--rd-space-xl);
    }
    .rd-auth-left { text-align: center; }
    .rd-auth-features { justify-content: center; }
}

.rd-auth-branding h1 {
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}
.rd-auth-branding p {
    font-size: 1.05rem;
    color: var(--rd-text-secondary);
    line-height: 1.6;
}

.rd-auth-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: var(--rd-space-xl);
}
.rd-auth-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.92rem;
    color: var(--rd-gray-600);
}
.rd-auth-feature-icon {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--rd-radius-md);
    background: var(--rd-primary-light);
    color: var(--rd-primary);
    flex-shrink: 0;
}

.rd-auth-card {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--rd-radius-xl);
    padding: var(--rd-space-2xl);
    box-shadow: var(--rd-shadow-lg);
}
.rd-auth-card-header {
    margin-bottom: var(--rd-space-lg);
}
.rd-auth-card-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.35rem;
}
.rd-auth-card-header p {
    font-size: 0.88rem;
    color: var(--rd-text-secondary);
}

.rd-captcha-wrapper {
    display: flex;
    justify-content: center;
    margin: 0.5rem 0;
}

.rd-policy-link {
    text-align: center;
}
.rd-policy-link p {
    font-size: 0.82rem;
    color: var(--rd-text-muted);
    margin-bottom: 0;
}
.rd-policy-link a {
    color: var(--rd-primary);
    font-weight: 500;
}

.rd-auth-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: var(--rd-space-lg);
    font-size: 0.88rem;
}
.rd-auth-divider { color: var(--rd-gray-300); }

.rd-auth-social {
    margin-top: var(--rd-space-lg);
}
.rd-auth-divider-line {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--rd-space-md);
    font-size: 0.8rem;
    color: var(--rd-text-muted);
}
.rd-auth-divider-line::before,
.rd-auth-divider-line::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--rd-gray-200);
}

/* Email validation */
.rd-email-msg {
    display: block;
    font-size: 0.82rem;
    min-height: 1.2em;
    margin-top: 0.25rem;
    transition: all var(--rd-transition);
}
.rd-email-valid { color: var(--rd-success); }
.rd-email-invalid { color: var(--rd-danger); }
.rd-email-warn { color: var(--rd-warning); }
.rd-email-checking { color: var(--rd-info); }

/* ── Public Layout (Navbar / Footer) ───────────────────────────────────────── */
.rd-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--rd-gray-200);
    padding: 0 var(--rd-space-lg);
}
.rd-navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: var(--rd-container-max);
    margin: 0 auto;
}
.rd-navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--rd-gray-900);
}
.rd-navbar-brand img {
    height: 32px;
    width: auto;
}
.rd-navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.rd-navbar-nav li a,
.rd-navbar-nav li .rd-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.85rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--rd-gray-600);
    border-radius: var(--rd-radius-full);
    text-decoration: none;
    transition: all var(--rd-transition);
}
.rd-navbar-nav li a:hover,
.rd-navbar-nav li .rd-nav-link:hover {
    background: var(--rd-surface-hover);
    color: var(--rd-gray-900);
}
.rd-navbar-cta {
    margin-left: 0.5rem;
}
@media (max-width: 768px) {
    .rd-navbar-nav { display: none; }
    .rd-navbar-toggle { display: flex; }
    .rd-navbar-nav.is-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--rd-bg);
        border-bottom: 1px solid var(--rd-gray-200);
        padding: 1rem;
        box-shadow: var(--rd-shadow-md);
    }
}
.rd-navbar-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--rd-gray-600);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--rd-radius-sm);
}
.rd-navbar-toggle:hover { background: var(--rd-surface-hover); }

/* Footer */
.rd-footer {
    background: var(--rd-gray-900);
    color: var(--rd-gray-400);
    padding: var(--rd-space-3xl) 0 var(--rd-space-lg);
}
.rd-footer-inner {
    max-width: var(--rd-container-max);
    margin: 0 auto;
    padding: 0 var(--rd-space-lg);
}
.rd-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--rd-space-2xl);
    padding-bottom: var(--rd-space-2xl);
    border-bottom: 1px solid var(--rd-gray-700);
}
@media (max-width: 768px) {
    .rd-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .rd-footer-grid { grid-template-columns: 1fr; }
}
.rd-footer-brand p {
    font-size: 0.88rem;
    color: var(--rd-gray-400);
    margin-top: 0.75rem;
    max-width: 300px;
    line-height: 1.6;
}
.rd-footer-col h4 {
    color: #fff;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.rd-footer-col ul {
    list-style: none;
    padding: 0;
}
.rd-footer-col ul li {
    margin-bottom: 0.5rem;
}
.rd-footer-col ul li a {
    color: var(--rd-gray-400);
    font-size: 0.88rem;
    transition: color var(--rd-transition);
}
.rd-footer-col ul li a:hover { color: #fff; }
.rd-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--rd-space-lg);
    font-size: 0.82rem;
}
.rd-footer-social {
    display: flex;
    gap: 0.75rem;
}
.rd-footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: var(--rd-radius-full);
    background: var(--rd-gray-700);
    color: var(--rd-gray-400);
    transition: all var(--rd-transition);
}
.rd-footer-social a:hover { background: var(--rd-primary); color: #fff; }

/* ── Homepage Hero ─────────────────────────────────────────────────────────── */
.rd-hero {
    position: relative;
    overflow: hidden;
    padding: var(--rd-space-4xl) 0;
    background: linear-gradient(135deg, var(--rd-primary-light) 0%, #eef2ff 50%, rgba(167,139,250,0.08) 100%);
}
.rd-hero-grid {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--rd-gray-300) 0.5px, transparent 0.5px);
    background-size: 32px 32px;
    opacity: 0.25;
    pointer-events: none;
}
.rd-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--rd-space-3xl);
    align-items: center;
}
@media (max-width: 900px) {
    .rd-hero-inner { grid-template-columns: 1fr; text-align: center; }
    .rd-hero-actions { justify-content: center; }
}
.rd-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 500;
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-full);
    color: var(--rd-primary);
    margin-bottom: var(--rd-space-lg);
}
.rd-hero h1 {
    font-size: 3.2rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--rd-space-md);
}
.rd-hero p.lead {
    font-size: 1.15rem;
    color: var(--rd-text-secondary);
    max-width: 520px;
    margin-bottom: var(--rd-space-xl);
}
@media (max-width: 900px) {
    .rd-hero p.lead { max-width: 100%; }
}
.rd-hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Hero visual */
.rd-hero-visual {
    display: flex;
    justify-content: center;
}
.rd-floating-card {
    position: relative;
    width: 360px;
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    box-shadow: var(--rd-shadow-xl);
    padding: var(--rd-space-xl);
    animation: cardFloat 4s ease-in-out infinite;
}
@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Hero Stats */
.rd-hero-stats {
    display: flex;
    gap: var(--rd-space-2xl);
    margin-top: var(--rd-space-2xl);
}
.rd-hero-stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--rd-gray-900);
}
.rd-hero-stat-label {
    font-size: 0.82rem;
    color: var(--rd-text-muted);
}

/* ── Features Grid ─────────────────────────────────────────────────────────── */
.rd-features {
    padding: var(--rd-space-4xl) 0;
}
.rd-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--rd-space-lg);
}
@media (max-width: 900px) {
    .rd-features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
    .rd-features-grid { grid-template-columns: 1fr; }
}
.rd-feature-card {
    padding: var(--rd-space-xl);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    background: var(--rd-bg);
    transition: all var(--rd-transition);
}
.rd-feature-card:hover {
    border-color: var(--rd-primary);
    box-shadow: 0 4px 20px rgba(79,106,240,0.12);
    transform: translateY(-3px);
}
.rd-feature-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--rd-radius-md);
    background: var(--rd-primary-light);
    color: var(--rd-primary);
    margin-bottom: var(--rd-space-md);
}
.rd-feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}
.rd-feature-card p {
    font-size: 0.88rem;
    color: var(--rd-text-secondary);
    margin-bottom: 0;
}

/* ── How It Works ──────────────────────────────────────────────────────────── */
.rd-steps {
    padding: var(--rd-space-4xl) 0;
    background: var(--rd-bg-alt);
}
.rd-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--rd-space-xl);
    text-align: center;
}
@media (max-width: 768px) {
    .rd-steps-grid { grid-template-columns: 1fr; }
}
.rd-step-num {
    width: 44px; height: 44px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--rd-radius-full);
    background: var(--rd-primary);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--rd-space-md);
}
.rd-step-icon {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--rd-radius-lg);
    background: var(--rd-primary-light);
    color: var(--rd-primary);
    margin: 0 auto var(--rd-space-md);
}
.rd-steps-grid h3 {
    margin-bottom: 0.4rem;
}
.rd-steps-grid p {
    font-size: 0.9rem;
    color: var(--rd-text-secondary);
    margin-bottom: 0;
}

/* ── CTA Section ───────────────────────────────────────────────────────────── */
.rd-cta {
    padding: var(--rd-space-4xl) 0;
    background: linear-gradient(135deg, var(--rd-primary) 0%, #7c3aed 100%);
    color: #fff;
    text-align: center;
}
.rd-cta h2 {
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 0.75rem;
}
.rd-cta p {
    font-size: 1.05rem;
    opacity: 0.85;
    margin-bottom: var(--rd-space-xl);
}
.rd-cta .rd-btn--white {
    background: #fff;
    color: var(--rd-primary);
    font-weight: 600;
}
.rd-cta .rd-btn--white:hover {
    background: rgba(255,255,255,0.9);
}

/* ── Logged-In Layout (Sidebar + Topbar) ───────────────────────────────────── */
.rd-app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.rd-sidebar {
    width: var(--rd-sidebar-width);
    background: var(--rd-bg-sidebar);
    border-right: 1px solid var(--rd-gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 90;
    transition: transform var(--rd-transition-slow);
}
.rd-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--rd-space-md) var(--rd-space-lg);
    border-bottom: 1px solid var(--rd-gray-200);
    text-decoration: none;
    height: var(--rd-topbar-height);
}
.rd-sidebar-brand img {
    height: 28px;
    width: auto;
}
.rd-sidebar-brand span {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--rd-gray-900);
}
.rd-sidebar-nav {
    flex: 1;
    padding: var(--rd-space-sm) 0;
    overflow-y: auto;
}
.rd-sidebar-section {
    padding: var(--rd-space-sm) var(--rd-space-lg);
}
.rd-sidebar-section-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--rd-gray-400);
    padding: var(--rd-space-sm) var(--rd-space-lg);
    margin-bottom: var(--rd-space-xs);
}
.rd-sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.5rem 0.75rem;
    margin: 0.1rem 0.5rem;
    border-radius: var(--rd-radius-md);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--rd-gray-600);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--rd-transition);
    border: none;
    background: none;
    width: calc(100% - 1rem);
    text-align: left;
}
.rd-sidebar-item:hover {
    background: var(--rd-surface-hover);
    color: var(--rd-gray-900);
}
.rd-sidebar-item.active {
    background: var(--rd-primary-light);
    color: var(--rd-primary);
    font-weight: 600;
}
.rd-sidebar-item svg {
    flex-shrink: 0;
    opacity: 0.75;
}
.rd-sidebar-item.active svg {
    opacity: 1;
}
.rd-sidebar-item .item-badge {
    margin-left: auto;
    background: var(--rd-danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.45rem;
    border-radius: var(--rd-radius-full);
    min-width: 18px;
    text-align: center;
}

/* Sidebar Storage */
.rd-sidebar-storage {
    padding: var(--rd-space-md) var(--rd-space-lg);
    border-top: 1px solid var(--rd-gray-200);
}
.rd-sidebar-storage-label {
    font-size: 0.8rem;
    color: var(--rd-text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
}
.rd-sidebar-storage-bar {
    height: 6px;
    background: var(--rd-gray-200);
    border-radius: var(--rd-radius-full);
    overflow: hidden;
}
.rd-sidebar-storage-bar-fill {
    height: 100%;
    background: var(--rd-primary);
    border-radius: var(--rd-radius-full);
    transition: width 0.6s ease;
}

/* Main content area */
.rd-main {
    flex: 1;
    margin-left: var(--rd-sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Topbar */
.rd-topbar {
    height: var(--rd-topbar-height);
    background: var(--rd-bg);
    border-bottom: 1px solid var(--rd-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--rd-space-lg);
    position: sticky;
    top: 0;
    z-index: 80;
}
.rd-topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.rd-topbar-breadcrumb {
    font-size: 0.88rem;
    color: var(--rd-text-secondary);
}
.rd-topbar-breadcrumb a {
    color: var(--rd-text-secondary);
}
.rd-topbar-breadcrumb a:hover {
    color: var(--rd-primary);
}
.rd-topbar-breadcrumb .separator {
    margin: 0 0.35rem;
    color: var(--rd-gray-400);
}

.rd-topbar-search {
    position: relative;
    max-width: 400px;
    flex: 1;
}
.rd-topbar-search input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--rd-gray-300);
    border-radius: var(--rd-radius-full);
    font-size: 0.88rem;
    background: var(--rd-bg-alt);
    color: var(--rd-text);
    outline: none;
    transition: all var(--rd-transition);
}
.rd-topbar-search input:focus {
    border-color: var(--rd-primary);
    box-shadow: 0 0 0 3px var(--rd-primary-light);
    background: var(--rd-bg);
}
.rd-topbar-search svg {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rd-gray-400);
    pointer-events: none;
}

.rd-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.rd-topbar-icon-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    border-radius: var(--rd-radius-full);
    background: none;
    border: none;
    color: var(--rd-gray-500);
    cursor: pointer;
    transition: all var(--rd-transition);
}
.rd-topbar-icon-btn:hover { background: var(--rd-surface-hover); color: var(--rd-gray-800); }
.rd-topbar-icon-btn .notif-dot {
    position: absolute;
    top: 6px; right: 6px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--rd-danger);
    border: 2px solid var(--rd-bg);
}

/* Avatar dropdown */
.rd-avatar-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.5rem 0.3rem 0.65rem;
    border-radius: var(--rd-radius-full);
    background: none;
    border: 1px solid var(--rd-gray-200);
    cursor: pointer;
    transition: all var(--rd-transition);
}
.rd-avatar-btn:hover { background: var(--rd-surface-hover); }
.rd-avatar-img {
    width: 32px; height: 32px;
    border-radius: 50%;
    object-fit: cover;
}
.rd-avatar-name {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--rd-gray-700);
}
.rd-avatar-chevron { color: var(--rd-gray-400); }

.rd-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 220px;
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-md);
    box-shadow: var(--rd-shadow-lg);
    padding: var(--rd-space-sm);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all var(--rd-transition);
}
.rd-dropdown.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.rd-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--rd-radius-sm);
    font-size: 0.85rem;
    color: var(--rd-gray-600);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--rd-transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}
.rd-dropdown-item:hover { background: var(--rd-surface-hover); color: var(--rd-gray-900); }
.rd-dropdown-divider { height: 1px; background: var(--rd-gray-100); margin: 0.35rem 0; }
.rd-dropdown-item--danger { color: var(--rd-danger); }
.rd-dropdown-item--danger:hover { background: rgba(239,68,68,0.08); }

/* Content area */
.rd-content {
    flex: 1;
    padding: var(--rd-space-xl);
}

/* ── Account Dashboard (File Manager) ──────────────────────────────────────── */
.rd-file-manager {
    display: flex;
    flex-direction: column;
    gap: var(--rd-space-lg);
}
.rd-fm-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.rd-fm-toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.rd-fm-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

/* File Grid / List */
.rd-file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--rd-space-md);
}
.rd-file-item {
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    padding: var(--rd-space-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--rd-transition);
}
.rd-file-item:hover {
    border-color: var(--rd-primary);
    box-shadow: var(--rd-shadow-md);
}
.rd-file-item.selected {
    border-color: var(--rd-primary);
    background: var(--rd-primary-light);
}
.rd-file-thumb {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    border-radius: var(--rd-radius-sm);
    background: var(--rd-gray-50);
    overflow: hidden;
}
.rd-file-thumb img {
    max-width: 100%; max-height: 100%; object-fit: contain;
}
.rd-file-name {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--rd-gray-700);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* List view */
.rd-file-list {
    width: 100%;
    border-collapse: collapse;
}
.rd-file-list th {
    text-align: left;
    padding: 0.65rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--rd-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--rd-gray-200);
}
.rd-file-list td {
    padding: 0.65rem 0.85rem;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--rd-gray-100);
}
.rd-file-list tr:hover td {
    background: var(--rd-surface-hover);
}

/* ── Settings Page ─────────────────────────────────────────────────────────── */
.rd-settings-page {
    padding-bottom: var(--rd-space-3xl);
}
.rd-settings-header {
    padding: var(--rd-space-xl) 0;
    border-bottom: 1px solid var(--rd-gray-200);
    margin-bottom: var(--rd-space-xl);
}
.rd-settings-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}
.rd-settings-header p {
    color: var(--rd-text-secondary);
    margin-bottom: 0;
}

/* Storage Overview */
.rd-storage-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--rd-space-lg);
    margin-bottom: var(--rd-space-xl);
}
@media (max-width: 768px) {
    .rd-storage-overview { grid-template-columns: 1fr; }
}
.rd-storage-card {
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    padding: var(--rd-space-lg);
}
.rd-storage-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--rd-space-md);
}
.rd-storage-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--rd-text-secondary);
}
.rd-storage-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rd-gray-900);
}
.rd-storage-bar {
    height: 8px;
    background: var(--rd-gray-200);
    border-radius: var(--rd-radius-full);
    overflow: hidden;
    margin-bottom: var(--rd-space-sm);
}
.rd-storage-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--rd-primary), #7c3aed);
    border-radius: var(--rd-radius-full);
    transition: width 0.6s ease;
}
.rd-storage-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--rd-text-muted);
}

/* Stat tiles */
.rd-stat-tiles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--rd-space-md);
}
@media (max-width: 540px) {
    .rd-stat-tiles { grid-template-columns: 1fr; }
}
.rd-stat-tile {
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    padding: var(--rd-space-md) var(--rd-space-lg);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.rd-stat-icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--rd-radius-md);
}
.rd-stat-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--rd-gray-900);
}
.rd-stat-label {
    font-size: 0.78rem;
    color: var(--rd-text-muted);
}

/* Settings Panel & Tabs */
.rd-settings-panel {
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    overflow: hidden;
}
.rd-tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--rd-gray-200);
    background: var(--rd-bg-alt);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.rd-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.85rem 1.15rem;
    font-family: var(--rd-font);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--rd-gray-500);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--rd-transition);
}
.rd-tab-btn:hover { color: var(--rd-gray-800); background: var(--rd-surface-hover); }
.rd-tab-btn.active { color: var(--rd-primary); border-bottom-color: var(--rd-primary); font-weight: 600; }
.rd-tab-btn--danger { color: var(--rd-danger); }
.rd-tab-btn--danger.active { color: var(--rd-danger); border-bottom-color: var(--rd-danger); }

.rd-tab-content {
    display: none;
    padding: var(--rd-space-xl);
}
.rd-tab-content.active {
    display: block;
}

.rd-settings-section {
    margin-bottom: var(--rd-space-xl);
}
.rd-settings-section h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}
.rd-section-desc {
    font-size: 0.88rem;
    color: var(--rd-text-secondary);
    margin-bottom: var(--rd-space-lg);
}

/* 2FA badge */
.rd-2fa-status {
    display: flex;
    align-items: center;
    gap: var(--rd-space-md);
}
.rd-2fa-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--rd-radius-full);
    font-size: 0.82rem;
    font-weight: 600;
}
.rd-2fa-badge--active { background: rgba(16,185,129,0.1); color: var(--rd-success); }

/* API Key */
.rd-api-key-block {
    margin: var(--rd-space-lg) 0;
}
.rd-api-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--rd-gray-500);
    display: block;
    margin-bottom: 0.5rem;
}
.rd-api-key-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.rd-api-key-value {
    font-family: var(--rd-font-mono);
    font-size: 0.88rem;
    background: var(--rd-gray-50);
    padding: 0.5rem 1rem;
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-md);
    flex: 1;
    word-break: break-all;
}

/* Danger zone */
.rd-settings-section--danger {
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: var(--rd-radius-lg);
    padding: var(--rd-space-xl);
    background: rgba(239,68,68,0.03);
}
.rd-danger-zone {
    margin-top: var(--rd-space-lg);
}
.rd-danger-warning {
    display: flex;
    align-items: flex-start;
    gap: var(--rd-space-md);
    margin-bottom: var(--rd-space-lg);
    color: var(--rd-danger);
    font-size: 0.9rem;
}
.rd-danger-warning strong {
    display: block;
    margin-bottom: 0.2rem;
}

/* ── Upgrade / Pricing Page ────────────────────────────────────────────────── */
.rd-upgrade-page {
    padding: var(--rd-space-3xl) 0;
}
.rd-upgrade-hero {
    text-align: center;
    padding: var(--rd-space-2xl) 0 var(--rd-space-3xl);
}
.rd-upgrade-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.65rem;
}
.rd-upgrade-hero p {
    font-size: 1.05rem;
    color: var(--rd-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.rd-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: var(--rd-space-lg);
    margin-bottom: var(--rd-space-3xl);
}
.rd-pricing-card {
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    padding: var(--rd-space-xl);
    display: flex;
    flex-direction: column;
    transition: all var(--rd-transition);
    position: relative;
}
.rd-pricing-card:hover {
    border-color: var(--rd-primary);
    box-shadow: var(--rd-shadow-lg);
}
.rd-pricing-card--popular {
    border-color: var(--rd-primary);
    box-shadow: 0 4px 24px rgba(79,106,240,0.15);
}
.rd-pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--rd-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 1rem;
    border-radius: var(--rd-radius-full);
}

.rd-pricing-header {
    text-align: center;
    padding-bottom: var(--rd-space-lg);
    border-bottom: 1px solid var(--rd-gray-100);
    margin-bottom: var(--rd-space-lg);
}
.rd-pricing-header h3 {
    font-size: 1.15rem;
    margin-bottom: 0.65rem;
}
.rd-pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.15rem;
}
.rd-pricing-currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--rd-gray-600);
}
.rd-pricing-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--rd-gray-900);
    line-height: 1;
}
.rd-pricing-period {
    font-size: 0.85rem;
    color: var(--rd-text-muted);
}

.rd-pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.rd-pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.35rem 0;
    font-size: 0.88rem;
    color: var(--rd-gray-600);
}
.rd-pricing-features li svg { color: var(--rd-success); flex-shrink: 0; }

.rd-pricing-action {
    margin-top: auto;
    padding-top: var(--rd-space-lg);
}
.rd-pricing-current-plan {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.65rem 1.5rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--rd-success);
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: var(--rd-radius-md);
}

/* Payment section */
.rd-payment-section {
    background: var(--rd-bg);
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    padding: var(--rd-space-xl);
    margin-bottom: var(--rd-space-2xl);
}
.rd-payment-section h2 {
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
}
.rd-payment-section p {
    color: var(--rd-text-secondary);
    margin-bottom: var(--rd-space-lg);
}
.rd-payment-gateways {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Guarantee */
.rd-upgrade-guarantee {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--rd-space-lg);
    text-align: center;
    padding: var(--rd-space-xl) 0;
    border-top: 1px solid var(--rd-gray-200);
}
@media (max-width: 768px) {
    .rd-upgrade-guarantee { grid-template-columns: 1fr; }
}
.rd-guarantee-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--rd-text-secondary);
    font-size: 0.88rem;
}
.rd-guarantee-item svg { color: var(--rd-primary); }

/* ── Cookie Notice ─────────────────────────────────────────────────────────── */
.rd-cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--rd-gray-900);
    color: var(--rd-gray-300);
    padding: var(--rd-space-md) var(--rd-space-lg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--rd-space-md);
    font-size: 0.85rem;
}
.rd-cookie-notice a { color: var(--rd-primary); }
.rd-cookie-notice .rd-btn--sm { white-space: nowrap; }

/* ── RTL Support ───────────────────────────────────────────────────────────── */
[dir="rtl"] .rd-sidebar {
    left: auto;
    right: 0;
}
[dir="rtl"] .rd-main {
    margin-left: 0;
    margin-right: var(--rd-sidebar-width);
}
[dir="rtl"] .rd-input-icon {
    left: auto;
    right: 0.75rem;
}
[dir="rtl"] .rd-input-wrapper .rd-input {
    padding-left: 0.85rem;
    padding-right: 2.5rem;
}
[dir="rtl"] .rd-input-toggle {
    right: auto;
    left: 0.5rem;
}
[dir="rtl"] .rd-topbar-search svg {
    left: auto;
    right: 0.75rem;
}

/* ── Mobile overlay for sidebar ────────────────────────────────────────────── */
.rd-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 89;
}
.rd-sidebar-overlay.is-open { display: block; }

@media (max-width: 1024px) {
    .rd-sidebar {
        transform: translateX(-100%);
    }
    .rd-sidebar.is-open {
        transform: translateX(0);
    }
    [dir="rtl"] .rd-sidebar {
        transform: translateX(100%);
    }
    [dir="rtl"] .rd-sidebar.is-open {
        transform: translateX(0);
    }
    .rd-main {
        margin-left: 0;
    }
    [dir="rtl"] .rd-main {
        margin-right: 0;
    }
}

/* ── Responsive Utilities ──────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .rd-hero h1 { font-size: 2rem; }
    .rd-hero p.lead { font-size: 1rem; }
    .rd-auth-card { padding: var(--rd-space-lg); }
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.35rem; }
}

/* ══════════════════════════════════════════════════════════════════════════════
   LOGGED-IN LAYOUT: Additional components
   ══════════════════════════════════════════════════════════════════════════════ */

/* ── Back to Top ──────────────────────────────────────────────────────────── */
.rd-back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primaryColor, #4F6AF0);
    color: #fff;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    box-shadow: 0 2px 12px rgba(79,106,240,0.35);
    transition: opacity 0.2s, transform 0.2s;
}
.rd-back-to-top.is-visible { display: flex; }
.rd-back-to-top:hover { transform: translateY(-2px); box-shadow: 0 4px 18px rgba(79,106,240,0.45); }

/* ── Sidebar Close Button (mobile) ────────────────────────────────────────── */
.rd-sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--rd-gray-500);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--rd-radius-sm);
    transition: color 0.15s;
}
.rd-sidebar-close:hover { color: var(--rd-gray-700); }
@media (max-width: 1024px) {
    .rd-sidebar-close { display: flex; align-items: center; justify-content: center; }
}

/* ── Sidebar Home Link ────────────────────────────────────────────────────── */
.rd-sidebar-home {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    color: var(--rd-gray-600);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--rd-radius-md);
    margin: 0 0.5rem 0.25rem;
    transition: background 0.15s, color 0.15s;
}
.rd-sidebar-home:hover { background: var(--rd-surface-hover); color: var(--rd-gray-900); }

/* ── Sidebar Tree / Folder Navigation ─────────────────────────────────────── */
.rd-sidebar-tree {
    padding: 0.25rem 0.75rem 0;
    flex-shrink: 1;
    overflow-y: auto;
    min-height: 0;
}
.rd-sidebar-tree #folderTreeview {
    max-height: 220px;
    overflow-y: auto;
}

/* ── Sidebar Sub-navigation (Tools dropdown) ──────────────────────────────── */
.rd-sidebar-subnav { margin: 0; }
.rd-sidebar-subnav-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    background: none;
    border: none;
    color: var(--rd-gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--rd-radius-md);
    transition: background 0.15s, color 0.15s;
}
.rd-sidebar-subnav-toggle:hover { background: var(--rd-surface-hover); color: var(--rd-gray-900); }
.rd-sidebar-subnav-toggle .rd-sidebar-chevron {
    margin-left: auto;
    transition: transform 0.2s;
}
.rd-sidebar-subnav-toggle.is-open .rd-sidebar-chevron { transform: rotate(180deg); }
.rd-sidebar-subnav-items {
    display: none;
    padding-left: 1.5rem;
}
.rd-sidebar-subnav-items.is-open { display: block; }
.rd-sidebar-item--sub {
    padding: 0.45rem 1rem 0.45rem 2rem;
    font-size: 0.8125rem;
}

/* ── Sidebar Temp Account Notice ───────────────────────────────────────────── */
.rd-sidebar-temp-notice {
    padding: 0.75rem 1rem;
    margin: 0.5rem 0.5rem 0;
    border-radius: var(--rd-radius-md);
    background: rgba(251,146,60,0.1);
    border: 1px solid rgba(251,146,60,0.25);
}
.rd-sidebar-temp-notice p {
    font-size: 0.78rem;
    color: var(--rd-gray-600);
    line-height: 1.45;
    margin: 0.35rem 0 0.65rem;
}
.rd-btn--full { width: 100%; text-align: center; }
.rd-btn--accent {
    background: linear-gradient(135deg, #FB923C 0%, #F97316 100%);
    color: #fff;
    border-color: transparent;
}
.rd-btn--accent:hover { background: linear-gradient(135deg, #EA580C 0%, #F97316 100%); }

/* ── Sidebar Plugin Bottom ─────────────────────────────────────────────────── */
.rd-sidebar-plugin-bottom {
    padding: 0.5rem 0.75rem;
    border-top: 1px solid var(--rd-gray-100);
    margin-top: 0.25rem;
}

/* ── Sidebar Advert ────────────────────────────────────────────────────────── */
.rd-sidebar-advert {
    padding: 0.75rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--rd-gray-400);
}

/* ── Sidebar Storage Status (expanded) ────────────────────────────────────── */
.rd-sidebar-storage-info {
    cursor: pointer;
    padding: 0.3rem 0;
}
.rd-sidebar-storage-loading,
.rd-sidebar-storage-text {
    font-size: 0.8125rem;
    color: var(--rd-gray-600);
}

/* ── Topbar Actions (New Folder + Upload) ──────────────────────────────────── */
.rd-topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}
.rd-btn--split {
    padding: 0.4rem 0.5rem;
    border-left: 1px solid rgba(255,255,255,0.3);
    margin-left: -1px;
}

/* ── Topbar Search (expanded) ──────────────────────────────────────────────── */
.rd-topbar-search-inner {
    display: flex;
    align-items: center;
    position: relative;
}
.rd-topbar-search-adv {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--rd-gray-400);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--rd-radius-sm);
    transition: color 0.15s;
    z-index: 2;
}
.rd-topbar-search-adv:hover { color: var(--rd-gray-700); }
.rd-topbar-search-input {
    width: 100%;
    padding: 0.45rem 2.25rem 0.45rem 0.75rem;
    border: 1px solid var(--rd-gray-200);
    border-radius: var(--rd-radius-lg);
    font-size: 0.8125rem;
    background: var(--rd-surface);
    color: var(--rd-gray-800);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.rd-topbar-search-input:focus {
    outline: none;
    border-color: var(--primaryColor, #4F6AF0);
    box-shadow: 0 0 0 3px rgba(79,106,240,0.12);
}
.rd-topbar-search-input::placeholder { color: var(--rd-gray-400); }

/* ── Breadcrumb ────────────────────────────────────────────────────────────── */
.rd-breadcrumb {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0;
    margin: 0;
    font-size: 0.8125rem;
    color: var(--rd-gray-500);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rd-breadcrumb li { display: inline-flex; align-items: center; }
.rd-breadcrumb li.active { color: var(--rd-gray-700); font-weight: 500; }

/* ── Notification Dot ──────────────────────────────────────────────────────── */
.rd-notif-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    background: var(--rd-danger);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* ── Notifications Dropdown ────────────────────────────────────────────────── */
.rd-dropdown-menu--wide { min-width: 320px; }
.rd-dropdown-menu--right { right: 0; left: auto; }
[dir="rtl"] .rd-dropdown-menu--right { left: 0; right: auto; }

.rd-notifications-dropdown { max-height: 400px; overflow-y: auto; }
.rd-notifications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--rd-gray-100);
}
.rd-notifications-mark-read {
    font-size: 0.75rem;
    color: var(--primaryColor, #4F6AF0);
    text-decoration: none;
    font-weight: 500;
}
.rd-notifications-mark-read:hover { text-decoration: underline; }
.rd-notifications-count {
    font-size: 0.75rem;
    color: var(--rd-gray-500);
}
.rd-notifications-count strong { color: var(--rd-gray-700); }

.rd-notifications-list { padding: 0.25rem 0; }
.rd-notifications-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.6rem 0.85rem;
    text-decoration: none;
    color: var(--rd-gray-700);
    transition: background 0.12s;
}
.rd-notifications-item:hover { background: var(--rd-surface-hover); }
.rd-notifications-item--unread { background: rgba(79,106,240,0.04); }
.rd-notifications-item--read { opacity: 0.7; }
.rd-notifications-icon {
    font-size: 1rem;
    color: var(--primaryColor, #4F6AF0);
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}
.rd-notifications-body { flex: 1; min-width: 0; }
.rd-notifications-text {
    font-size: 0.8rem;
    line-height: 1.35;
    display: block;
}
.rd-notifications-text--bold { font-weight: 600; }
.rd-notifications-time {
    font-size: 0.7rem;
    color: var(--rd-gray-400);
    display: block;
    margin-top: 2px;
}

/* ── Level Badge ───────────────────────────────────────────────────────────── */
.rd-level-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: var(--rd-radius-lg);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.12s, box-shadow 0.12s;
}
.rd-level-badge:hover { transform: translateY(-1px); }
.rd-level-badge--admin {
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    color: #fff;
    box-shadow: 0 1px 4px rgba(99,102,241,0.3);
}
.rd-level-badge--upgrade {
    background: linear-gradient(135deg, var(--primaryColor, #4F6AF0) 0%, #6C8AFF 100%);
    color: #fff;
    box-shadow: 0 1px 4px rgba(79,106,240,0.3);
}

/* ── Logged-in responsive adjustments ──────────────────────────────────────── */
@media (max-width: 1024px) {
    .rd-topbar-search { max-width: 220px; }
    .rd-topbar-breadcrumb { display: none; }
    .rd-topbar-actions { gap: 0.35rem; }
}
@media (max-width: 600px) {
    .rd-topbar-search { display: none; }
    .rd-topbar-actions { gap: 0.25rem; }
    .rd-avatar-name { display: none; }
    .rd-level-badge { display: none; }
    .rd-topbar-right { gap: 0.25rem; }
}