/**
 * JuanSinag Client v2 — Facebook-Modern Design System
 * Dark theme with brand gradient: Yellow → Orange → Red
 * Mobile-first, card-based feed layout
 */

/* ============================================
   CSS Reset & Variables
   ============================================ */
:root {
    /* Brand Colors */
    --brand-yellow: #FFD700;
    --brand-orange: #FF6B35;
    --brand-red: #E63946;
    --brand-gradient: linear-gradient(135deg, #FFD700 0%, #FF6B35 50%, #E63946 100%);
    --brand-gradient-soft: linear-gradient(135deg, rgba(255,215,0,0.15), rgba(255,107,53,0.15), rgba(230,57,70,0.15));

    /* Dark Theme */
    --bg-primary: #18191A;
    --bg-secondary: #242526;
    --bg-tertiary: #3A3B3C;
    --bg-hover: #3A3B3C;
    --bg-elevated: #242526;

    /* Text */
    --text-primary: #E4E6EB;
    --text-secondary: #B0B3B8;
    --text-tertiary: #6B6D72;
    --text-link: #FF6B35;

    /* Borders & Dividers */
    --border-primary: #3E4042;
    --border-secondary: #2D2E2F;
    --divider: #3E4042;

    /* Status */
    --status-success: #31A24C;
    --status-warning: #F7B928;
    --status-error: #F02849;
    --status-info: #1877F2;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(255,107,53,0.15);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-xs: 0.75rem;
    --font-sm: 0.8125rem;
    --font-base: 0.9375rem;
    --font-md: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.5rem;
    --font-2xl: 2rem;
    --font-3xl: 2.5rem;
    --font-hero: clamp(2.5rem, 6vw, 4rem);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --nav-height: 56px;
    --content-max: 680px;
    --page-max: 1200px;
}

/* ============================================
   Light Mode Override
   ============================================ */
[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    --bg-hover: #eeeeee;
    --bg-elevated: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-tertiary: #888888;
    --text-link: #e55a25;
    --border-primary: #e0e0e0;
    --border-secondary: #f0f0f0;
    --divider: #e0e0e0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 20px rgba(255,107,53,0.08);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--text-link); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--brand-yellow); }

img { max-width: 100%; height: auto; display: block; }

/* ============================================
   Loading Screen — Logo Pulsating
   ============================================ */
.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-logo {
    width: 72px;
    height: 72px;
    animation: logoPulse 1.8s ease-in-out infinite;
}

.loading-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(255,107,53,0.4));
}

.loading-text {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); opacity: 1; filter: drop-shadow(0 0 8px rgba(255,107,53,0.3)); }
    50% { transform: scale(1.08); opacity: 0.85; filter: drop-shadow(0 0 20px rgba(255,107,53,0.6)); }
}

/* ============================================
   Navigation — Facebook-style Top Bar
   ============================================ */
.c-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-secondary);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.c-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--page-max);
    margin: 0 auto;
}

.c-nav__brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: var(--font-lg);
    flex-shrink: 0;
}

.c-nav__brand img {
    height: 32px;
    width: auto;
}

.c-nav__brand-text {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.c-nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.c-nav__link {
    color: var(--text-secondary);
    font-size: var(--font-base);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.c-nav__link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.c-nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--brand-gradient);
    transition: all var(--transition-base);
    transform: translateX(-50%);
    border-radius: 1px;
}

.c-nav__link:hover::after { width: 60%; }

.c-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.c-nav__user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

/* Mobile menu toggle */
.c-nav__toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: var(--space-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.c-nav__toggle:hover { background: var(--bg-hover); }

.c-nav__toggle svg { width: 24px; height: 24px; }

/* Mobile nav drawer */
.c-nav__mobile {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-secondary);
    z-index: 999;
    padding: var(--space-md);
    flex-direction: column;
    gap: var(--space-xs);
    overflow-y: auto;
    animation: slideDown 0.25s ease;
}

.c-nav__mobile.active { display: flex; }

.c-nav__mobile-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    color: var(--text-primary);
    font-size: var(--font-md);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.c-nav__mobile-link:hover { background: var(--bg-hover); color: var(--text-primary); }

.c-nav__mobile-link svg { width: 20px; height: 20px; color: var(--text-secondary); }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .c-nav__links { display: none; }
    .c-nav__toggle { display: flex; }
}

/* ============================================
   Buttons
   ============================================ */
.c-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-family: var(--font-family);
    font-size: var(--font-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.c-btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.c-btn--primary {
    background: var(--brand-gradient);
    color: #fff;
    box-shadow: 0 2px 8px rgba(255,107,53,0.3);
}

.c-btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(255,107,53,0.4);
    color: #fff;
}

.c-btn--secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.c-btn--secondary:hover {
    background: var(--bg-hover);
    border-color: var(--brand-orange);
    color: var(--text-primary);
}

.c-btn--ghost {
    background: transparent;
    color: var(--text-link);
    padding: var(--space-sm) var(--space-md);
}

.c-btn--ghost:hover { background: rgba(255,107,53,0.1); }

.c-btn--lg {
    padding: 14px 28px;
    font-size: var(--font-md);
    border-radius: var(--radius-md);
}

.c-btn--sm {
    padding: 6px 14px;
    font-size: var(--font-sm);
}

.c-btn--full { width: 100%; }

.c-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   Cards — Facebook-style
   ============================================ */
.c-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.c-card:hover { border-color: var(--border-primary); }

.c-card__header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.c-card__header-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--brand-gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.c-card__header-icon svg { width: 20px; height: 20px; color: var(--brand-orange); }

.c-card__title {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
}

.c-card__body { padding: var(--space-lg); }

.c-card__footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ============================================
   Page Layout
   ============================================ */
.c-page {
    padding-top: calc(var(--nav-height) + var(--space-md));
    padding-bottom: var(--space-2xl);
    min-height: 100vh;
}

.c-page__feed {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.c-page__wide {
    max-width: var(--page-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ============================================
   Hero Section — Landing
   ============================================ */
.c-hero {
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
    position: relative;
}

.c-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--brand-gradient-soft);
    border: 1px solid rgba(255,107,53,0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--brand-orange);
    margin-bottom: var(--space-lg);
}

.c-hero__badge svg { width: 16px; height: 16px; }

.c-hero__title {
    font-size: var(--font-hero);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
    max-width: 800px;
}

.c-hero__subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.c-hero__cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.c-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    max-width: 600px;
    width: 100%;
    margin-top: var(--space-2xl);
}

.c-hero__stat {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    transition: all var(--transition-base);
}

.c-hero__stat:hover {
    border-color: rgba(255,107,53,0.3);
    transform: translateY(-2px);
}

.c-hero__stat-icon { margin-bottom: var(--space-sm); }
.c-hero__stat-icon svg { width: 24px; height: 24px; color: var(--brand-orange); margin: 0 auto; }

.c-hero__stat-number {
    font-size: var(--font-xl);
    font-weight: 800;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.c-hero__stat-label {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

@media (max-width: 768px) {
    .c-hero { padding-top: calc(var(--nav-height) + var(--space-lg)); }
    .c-hero__stats { grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); }
    .c-hero__stat { padding: var(--space-md) var(--space-sm); }
    .c-hero__cta { flex-direction: column; width: 100%; max-width: 320px; }
    .c-hero__cta .c-btn { width: 100%; }
}

/* ============================================
   Section Layout
   ============================================ */
.c-section {
    padding: var(--space-2xl) var(--space-md);
    max-width: var(--page-max);
    margin: 0 auto;
}

.c-section__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.c-section__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.c-section__subtitle {
    font-size: var(--font-md);
    color: var(--text-secondary);
}

/* ============================================
   Feature Cards
   ============================================ */
.c-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
}

.c-feature {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.c-feature:hover {
    border-color: rgba(255,107,53,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.c-feature__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    background: var(--brand-gradient-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.c-feature__icon svg { width: 28px; height: 28px; color: var(--brand-orange); }

.c-feature__title {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.c-feature__desc {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Plan Cards
   ============================================ */
.c-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.c-plan {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.c-plan:hover {
    border-color: rgba(255,107,53,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.c-plan--popular {
    border-color: var(--brand-orange);
}

.c-plan--popular::before {
    content: 'Most Popular';
    position: absolute;
    top: 12px;
    right: -28px;
    background: var(--brand-gradient);
    color: #fff;
    font-size: var(--font-xs);
    font-weight: 700;
    padding: 4px 32px;
    transform: rotate(45deg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.c-plan__name {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.c-plan__price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: var(--space-md);
}

.c-plan__currency { font-size: var(--font-md); color: var(--text-secondary); }

.c-plan__amount {
    font-size: var(--font-2xl);
    font-weight: 800;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.c-plan__period { font-size: var(--font-sm); color: var(--text-secondary); }

.c-plan__speed {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--brand-gradient-soft);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.c-plan__speed svg { width: 18px; height: 18px; color: var(--brand-orange); }

.c-plan__features {
    list-style: none;
    margin-bottom: var(--space-lg);
    flex: 1;
}

.c-plan__features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.c-plan__features li svg { width: 16px; height: 16px; color: var(--status-success); flex-shrink: 0; }

/* ============================================
   CTA Section
   ============================================ */
.c-cta {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    max-width: 700px;
    margin: var(--space-2xl) auto;
}

.c-cta__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.c-cta__desc {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-size: var(--font-md);
}

/* ============================================
   Footer
   ============================================ */
.c-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-secondary);
    padding: var(--space-2xl) var(--space-md) var(--space-lg);
}

.c-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    max-width: var(--page-max);
    margin: 0 auto var(--space-xl);
}

.c-footer__brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.c-footer__brand img { height: 28px; width: auto; }

.c-footer__desc {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.6;
}

.c-footer__heading {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.c-footer__link {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-sm);
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.c-footer__link:hover { color: var(--brand-orange); }

.c-footer__social {
    display: flex;
    gap: var(--space-sm);
}

.c-footer__social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.c-footer__social-link:hover {
    background: var(--brand-gradient);
    color: #fff;
    transform: translateY(-2px);
}

.c-footer__social-link svg { width: 18px; height: 18px; }

.c-footer__bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-secondary);
    max-width: var(--page-max);
    margin: 0 auto;
    color: var(--text-tertiary);
    font-size: var(--font-sm);
}

@media (max-width: 768px) {
    .c-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
}

@media (max-width: 480px) {
    .c-footer__grid { grid-template-columns: 1fr; }
}


/* ============================================
   Forms — Login, Signup
   ============================================ */
.c-form-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + var(--space-lg)) var(--space-md) var(--space-lg);
}

.c-form-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.c-form-card__accent {
    height: 3px;
    background: var(--brand-gradient);
}

.c-form-card__header {
    text-align: center;
    padding: var(--space-xl) var(--space-xl) 0;
}

.c-form-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: var(--brand-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(255,107,53,0.3);
}

.c-form-card__icon svg { width: 32px; height: 32px; color: #fff; }

.c-form-card__title {
    font-size: var(--font-xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.c-form-card__subtitle {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

.c-form-card__body { padding: var(--space-xl); }

.c-form-card__footer {
    padding: 0 var(--space-xl) var(--space-xl);
    text-align: center;
}

/* Form Groups */
.c-field {
    margin-bottom: var(--space-md);
}

.c-field__label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.c-field__label svg { width: 16px; height: 16px; color: var(--brand-orange); }

.c-field__input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-base);
    transition: all var(--transition-fast);
    outline: none;
}

.c-field__input:focus {
    border-color: var(--brand-orange);
    box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}

.c-field__input::placeholder { color: var(--text-tertiary); }

.c-field__hint {
    margin-top: var(--space-xs);
    font-size: var(--font-xs);
    color: var(--text-tertiary);
}

.c-field__password {
    position: relative;
}

.c-field__password .c-field__input { padding-right: 44px; }

.c-field__password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}

.c-field__password-toggle:hover { color: var(--brand-orange); }
.c-field__password-toggle svg { width: 18px; height: 18px; }

/* Checkbox */
.c-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-sm);
}

.c-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-orange);
    cursor: pointer;
}

/* Form links */
.c-form-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
    font-size: var(--font-sm);
}

.c-form-links__divider { color: var(--text-tertiary); }

/* Error/Success messages */
.c-alert {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    margin-bottom: var(--space-md);
    animation: fadeIn 0.3s ease;
}

.c-alert svg { width: 18px; height: 18px; flex-shrink: 0; }

.c-alert--error {
    background: rgba(240,40,73,0.1);
    border: 1px solid rgba(240,40,73,0.2);
    color: var(--status-error);
}

.c-alert--success {
    background: rgba(49,162,76,0.1);
    border: 1px solid rgba(49,162,76,0.2);
    color: var(--status-success);
}

.c-alert--info {
    background: var(--brand-gradient-soft);
    border: 1px solid rgba(255,107,53,0.2);
    color: var(--text-secondary);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Signup Multi-Step
   ============================================ */
.c-signup {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
}

.c-steps {
    display: flex;
    align-items: center;
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.c-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    flex: 0 0 auto;
    opacity: 0.4;
    transition: all var(--transition-base);
}

.c-step.active, .c-step.completed { opacity: 1; }

.c-step__circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.c-step__circle svg { width: 18px; height: 18px; color: var(--text-secondary); }

.c-step.active .c-step__circle {
    background: var(--brand-gradient);
    border-color: var(--brand-orange);
}

.c-step.active .c-step__circle svg { color: #fff; }

.c-step.completed .c-step__circle {
    background: var(--status-success);
    border-color: var(--status-success);
}

.c-step.completed .c-step__circle svg { color: #fff; }

.c-step__label {
    font-size: var(--font-xs);
    font-weight: 500;
    color: var(--text-secondary);
}

.c-step.active .c-step__label { color: var(--text-primary); }

.c-step__line {
    flex: 1;
    height: 2px;
    background: var(--border-primary);
    margin: 0 var(--space-sm);
    position: relative;
    top: -12px;
}

.c-step.completed + .c-step__line { background: var(--status-success); }

.c-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

@media (max-width: 480px) {
    .c-form-grid { grid-template-columns: 1fr; }
    .c-step__label { font-size: 0.625rem; }
    .c-step__circle { width: 32px; height: 32px; }
    .c-step__circle svg { width: 14px; height: 14px; }
}

.c-form-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

@media (max-width: 480px) {
    .c-form-actions { flex-direction: column-reverse; }
}

/* Plan selection grid */
.c-plan-select {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.c-plan-option {
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.c-plan-option:hover {
    border-color: var(--brand-orange);
    transform: translateY(-2px);
}

.c-plan-option.selected {
    border-color: var(--brand-orange);
    background: var(--brand-gradient-soft);
    box-shadow: 0 0 16px rgba(255,107,53,0.2);
}

.c-plan-option__name { font-weight: 600; margin-bottom: var(--space-xs); }

.c-plan-option__price {
    font-size: var(--font-xl);
    font-weight: 800;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.c-plan-option__speed { font-size: var(--font-sm); color: var(--text-secondary); }

/* Confirmation details */
.c-confirm {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.c-confirm__row {
    padding: var(--space-sm) 0;
}

.c-confirm__row + .c-confirm__row {
    border-top: 1px solid var(--border-secondary);
}

.c-confirm__label {
    font-size: var(--font-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.c-confirm__value {
    font-size: var(--font-base);
    font-weight: 500;
}

/* ============================================
   Dashboard — Feed Layout
   ============================================ */
.c-dash {
    padding-top: calc(var(--nav-height) + var(--space-md));
    padding-bottom: var(--space-2xl);
    min-height: 100vh;
}

.c-dash__feed {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Welcome banner */
.c-welcome {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.c-welcome::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--brand-gradient);
}

.c-welcome__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    background: var(--brand-gradient-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.c-welcome__icon svg { width: 28px; height: 28px; color: var(--brand-orange); }

.c-welcome__title {
    font-size: var(--font-xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.c-welcome__subtitle {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

/* Quick stats strip */
.c-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.c-stat {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: border-color var(--transition-fast);
}

.c-stat:hover { border-color: var(--border-primary); }

.c-stat__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--brand-gradient-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.c-stat__icon svg { width: 20px; height: 20px; color: var(--brand-orange); }
.c-stat__icon--success { background: rgba(49,162,76,0.15); }
.c-stat__icon--success svg { color: var(--status-success); }
.c-stat__icon--warning { background: rgba(247,185,40,0.15); }
.c-stat__icon--warning svg { color: var(--status-warning); }

.c-stat__value {
    font-size: var(--font-lg);
    font-weight: 700;
    line-height: 1.2;
}

.c-stat__label {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-top: 1px;
}

@media (max-width: 768px) {
    .c-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 380px) {
    .c-stats { grid-template-columns: 1fr; }
}

/* Detail grid */
.c-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
}

.c-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.c-detail:hover { border-color: var(--border-primary); }

.c-detail__icon { flex-shrink: 0; }
.c-detail__icon svg { width: 20px; height: 20px; color: var(--brand-orange); }

.c-detail__label {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.c-detail__value {
    font-size: var(--font-base);
    font-weight: 500;
}

/* Status tracker */
.c-tracker {
    display: flex;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-md) 0;
}

.c-tracker__step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    opacity: 0.4;
}

.c-tracker__step.active, .c-tracker__step.completed { opacity: 1; }

.c-tracker__circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
    z-index: 1;
}

.c-tracker__circle svg { width: 18px; height: 18px; color: var(--text-secondary); }

.c-tracker__step.active .c-tracker__circle {
    background: var(--brand-gradient);
    border-color: var(--brand-orange);
    box-shadow: 0 0 12px rgba(255,107,53,0.3);
}

.c-tracker__step.active .c-tracker__circle svg { color: #fff; }

.c-tracker__step.completed .c-tracker__circle {
    background: var(--status-success);
    border-color: var(--status-success);
}

.c-tracker__step.completed .c-tracker__circle svg { color: #fff; }

.c-tracker__label {
    font-size: var(--font-xs);
    font-weight: 500;
    color: var(--text-secondary);
}

.c-tracker__step.active .c-tracker__label { color: var(--text-primary); }

.c-tracker__line {
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--border-primary);
    z-index: 0;
}

.c-tracker__step.completed .c-tracker__line { background: var(--status-success); }

/* Support options */
.c-support {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.c-support__item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.c-support__item:hover {
    border-color: var(--brand-orange);
    background: rgba(255,107,53,0.05);
    color: var(--text-primary);
}

.c-support__item svg { width: 24px; height: 24px; color: var(--brand-orange); flex-shrink: 0; }

.c-support__item strong { display: block; font-size: var(--font-sm); }
.c-support__item p { margin: 0; font-size: var(--font-xs); color: var(--text-secondary); }

/* Payment list */
.c-payments { display: flex; flex-direction: column; gap: var(--space-sm); }

.c-payment {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.c-payment__icon svg { width: 20px; height: 20px; color: var(--status-success); }
.c-payment__info { flex: 1; }
.c-payment__info strong { display: block; font-size: var(--font-sm); }
.c-payment__info p { margin: 0; font-size: var(--font-xs); color: var(--text-secondary); }
.c-payment__amount { font-weight: 700; color: var(--brand-orange); }

/* Empty state */
.c-empty {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-secondary);
}

.c-empty svg { width: 48px; height: 48px; margin: 0 auto var(--space-md); opacity: 0.4; }
.c-empty p { font-size: var(--font-sm); }

/* ============================================
   Gradient Text Utility
   ============================================ */
.c-gradient-text {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

/* ============================================
   Info Box
   ============================================ */
.c-info-box {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--brand-gradient-soft);
    border: 1px solid rgba(255,107,53,0.15);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.c-info-box svg { width: 20px; height: 20px; color: var(--brand-orange); flex-shrink: 0; margin-top: 2px; }
.c-info-box strong { color: var(--text-primary); }
.c-info-box ul { margin: var(--space-sm) 0 0; padding-left: var(--space-lg); }
.c-info-box li { margin-bottom: var(--space-xs); }

/* ============================================
   Success Page
   ============================================ */
.c-success {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

.c-success__card {
    max-width: 560px;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
}

.c-success__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--brand-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPop 0.6s ease-out;
}

.c-success__icon svg { width: 40px; height: 40px; color: #fff; }

@keyframes successPop {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

.c-success__title {
    font-size: var(--font-2xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.c-success__desc {
    color: var(--text-secondary);
    font-size: var(--font-md);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.c-success__username {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-xl);
}

.c-success__username-label {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.c-success__username-value {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--brand-orange);
}

.c-success__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Utility: Spinner
   ============================================ */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.c-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--brand-orange);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-primary); }

/* ============================================
   Selection
   ============================================ */
::selection {
    background: rgba(255,107,53,0.3);
    color: var(--text-primary);
}


/* ============================================
   Form Steps (Signup multi-step)
   ============================================ */
.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}