/* ============================================================
   EarnZone - Ultra HD Theme (Dark + Light Mode)
   ============================================================ */

/* ---- Dark Theme (Default) ---- */
:root,
[data-theme="dark"] {
  --bg-primary:    #0A0F1E;
  --bg-secondary:  #111827;
  --bg-card:       rgba(17, 24, 39, 0.85);
  --neon-green:    #00E676;
  --neon-green-dark: #00C853;
  --electric-red:  #FF1744;
  --gold:          #FFD700;
  --text-primary:  #F9FAFB;
  --text-secondary:#9CA3AF;
  --border:        rgba(255,255,255,0.09);
  --shadow:        0 8px 40px rgba(0,0,0,0.55);
  --glass-bg:      rgba(10,15,30,0.88);
  --topbar-bg:     rgba(17,24,39,0.97);
  --sidebar-bg:    #111827;
  --input-bg:      rgba(255,255,255,0.06);
  --hover-bg:      rgba(255,255,255,0.04);
  --table-header:  rgba(255,255,255,0.05);
  --scrollbar-thumb: rgba(255,255,255,0.15);
  --overlay-bg:    rgba(0,0,0,0.75);
  --modal-bg:      #1a2233;
}

/* ---- Light Theme ---- */
[data-theme="light"] {
  --bg-primary:    #F3F6FB;
  --bg-secondary:  #FFFFFF;
  --bg-card:       rgba(255,255,255,0.95);
  --neon-green:    #00A854;
  --neon-green-dark: #007A3D;
  --electric-red:  #E53935;
  --gold:          #C8980A;
  --text-primary:  #111827;
  --text-secondary:#6B7280;
  --border:        rgba(0,0,0,0.09);
  --shadow:        0 4px 24px rgba(0,0,0,0.10);
  --glass-bg:      rgba(255,255,255,0.97);
  --topbar-bg:     rgba(255,255,255,0.98);
  --sidebar-bg:    #FFFFFF;
  --input-bg:      rgba(0,0,0,0.04);
  --hover-bg:      rgba(0,0,0,0.03);
  --table-header:  rgba(0,0,0,0.04);
  --scrollbar-thumb: rgba(0,0,0,0.18);
  --overlay-bg:    rgba(0,0,0,0.55);
  --modal-bg:      #FFFFFF;
}

/* ============================================================
   Base Reset & Body
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s, color 0.3s;
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 6px; }

/* ============================================================
   Glass Card
   ============================================================ */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: background 0.3s, border-color 0.3s;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary {
  background: var(--neon-green); color: #000; font-weight: 700;
  border: none; border-radius: 10px; padding: 10px 24px; cursor: pointer;
  transition: all 0.2s; font-size: 14px;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary:hover { background: var(--neon-green-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,230,118,0.3); }
.btn-danger  { background: var(--electric-red); color: #fff; font-weight: 700; border: none; border-radius: 10px; padding: 10px 24px; cursor: pointer; font-size: 14px; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.btn-danger:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-gold    { background: var(--gold); color: #000; font-weight: 700; border: none; border-radius: 10px; padding: 10px 24px; cursor: pointer; font-size: 14px; }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border); border-radius: 10px; padding: 10px 24px; cursor: pointer; font-size: 14px; transition: all 0.2s; }
.btn-outline:hover { border-color: var(--neon-green); color: var(--neon-green); }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 8px; }

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
  width: 260px; min-height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  position: fixed; top: 0; left: 0;
  overflow-y: auto; z-index: 300;
  transition: transform 0.3s cubic-bezier(.4,0,.2,1), background 0.3s, border-color 0.3s;
}
.sidebar-logo {
  padding: 22px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-logo .logo-icon {
  width: 40px; height: 40px; background: var(--neon-green);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 18px; color: #000; flex-shrink: 0;
}
.sidebar-logo span { font-size: 19px; font-weight: 800; color: var(--text-primary); }
.sidebar-nav { padding: 14px 10px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 13px; border-radius: 10px;
  color: var(--text-secondary); text-decoration: none;
  font-size: 14px; font-weight: 500; margin-bottom: 2px;
  transition: all 0.2s; white-space: nowrap; overflow: hidden;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: rgba(0,230,118,0.10); color: var(--neon-green);
}
[data-theme="light"] .sidebar-nav a:hover,
[data-theme="light"] .sidebar-nav a.active {
  background: rgba(0,168,84,0.10); color: var(--neon-green);
}
.sidebar-nav a i { width: 18px; text-align: center; flex-shrink: 0; font-size: 14px; }
.sidebar-nav .nav-section {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--text-secondary);
  padding: 12px 13px 5px; opacity: 0.7;
}

/* Mobile backdrop overlay behind sidebar */
.sidebar-backdrop {
  display: none; position: fixed; inset: 0;
  background: var(--overlay-bg); z-index: 299; backdrop-filter: blur(2px);
}
.sidebar-backdrop.active { display: block; }

/* ============================================================
   Main Content & Topbar
   ============================================================ */
.main-content { margin-left: 260px; min-height: 100vh; transition: margin-left 0.3s; }
.topbar {
  background: var(--topbar-bg); border-bottom: 1px solid var(--border);
  padding: 14px 24px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 200; backdrop-filter: blur(16px);
  transition: background 0.3s, border-color 0.3s;
}
.topbar-left h1 { font-size: 18px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.content-area { padding: 24px; }

/* ============================================================
   Theme Toggle Button
   ============================================================ */
.theme-toggle {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--input-bg); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: all 0.2s; flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--neon-green); color: var(--neon-green); background: rgba(0,230,118,0.08); }

/* ============================================================
   Stats Cards
   ============================================================ */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px;
  position: relative; overflow: hidden;
  transition: background 0.3s, border-color 0.3s;
}
.stat-card .stat-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .stat-value { font-size: 26px; font-weight: 800; line-height: 1.1; }
.stat-card .stat-icon { position: absolute; right: 16px; top: 16px; font-size: 26px; opacity: 0.2; }
.stat-green .stat-value { color: var(--neon-green); }
.stat-red .stat-value   { color: var(--electric-red); }
.stat-gold .stat-value  { color: var(--gold); }
.stat-blue .stat-value  { color: #60A5FA; }

/* ============================================================
   Tables
   ============================================================ */
.table-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: background 0.3s; }
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-card table { width: 100%; border-collapse: collapse; min-width: 480px; }
.table-card th {
  background: var(--table-header); padding: 12px 16px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--text-secondary); text-align: left; white-space: nowrap;
}
.table-card td { padding: 12px 16px; font-size: 13px; border-top: 1px solid var(--border); vertical-align: middle; }
.table-card tr:hover td { background: var(--hover-bg); }

/* ============================================================
   Badges
   ============================================================ */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.badge-green  { background: rgba(0,230,118,0.14); color: var(--neon-green); }
.badge-red    { background: rgba(255,23,68,0.14);  color: var(--electric-red); }
.badge-gold   { background: rgba(255,215,0,0.14);  color: var(--gold); }
.badge-blue   { background: rgba(96,165,250,0.14); color: #60A5FA; }
.badge-gray   { background: rgba(148,163,184,0.14); color: var(--text-secondary); }
[data-theme="light"] .badge-green { background: rgba(0,168,84,0.12); color: #00833D; }
[data-theme="light"] .badge-red   { background: rgba(229,57,53,0.12); color: #C62828; }
[data-theme="light"] .badge-gold  { background: rgba(200,152,10,0.12); color: #8A6600; }

/* ============================================================
   Forms
   ============================================================ */
.form-group { margin-bottom: 18px; }
.form-label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-control {
  width: 100%; background: var(--input-bg); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text-primary); padding: 11px 14px;
  font-size: 14px; outline: none; transition: border-color 0.2s, background 0.3s; font-family: inherit;
}
.form-control:focus { border-color: var(--neon-green); }
.form-control::placeholder { color: var(--text-secondary); opacity: 0.7; }
select.form-control option { background: var(--bg-secondary); color: var(--text-primary); }
textarea.form-control { resize: vertical; min-height: 90px; }

/* ============================================================
   Alerts
   ============================================================ */
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; font-weight: 500; }
.alert-success { background: rgba(0,230,118,0.10); border: 1px solid rgba(0,230,118,0.25); color: var(--neon-green); }
.alert-danger  { background: rgba(255,23,68,0.10);  border: 1px solid rgba(255,23,68,0.25);  color: var(--electric-red); }
.alert-info    { background: rgba(96,165,250,0.10); border: 1px solid rgba(96,165,250,0.25); color: #60A5FA; }
.alert-warning { background: rgba(255,215,0,0.10);  border: 1px solid rgba(255,215,0,0.25);  color: var(--gold); }

/* ============================================================
   Auth Pages
   ============================================================ */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: radial-gradient(ellipse at 30% 20%, rgba(0,230,118,0.07), transparent 55%),
              radial-gradient(ellipse at 70% 80%, rgba(255,215,0,0.04), transparent 55%),
              var(--bg-primary);
}
[data-theme="light"] .auth-page {
  background: radial-gradient(ellipse at 30% 20%, rgba(0,168,84,0.08), transparent 55%),
              radial-gradient(ellipse at 70% 80%, rgba(200,152,10,0.05), transparent 55%),
              var(--bg-primary);
}
.auth-card {
  width: 100%; max-width: 440px;
  background: var(--bg-card); backdrop-filter: blur(20px);
  border: 1px solid var(--border); border-radius: 20px; padding: 36px 32px; box-shadow: var(--shadow);
}
.auth-card h2 { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.auth-card p  { color: var(--text-secondary); font-size: 14px; margin-bottom: 26px; }

/* ============================================================
   Landing Page
   ============================================================ */
.landing-nav {
  position: fixed; top: 0; width: 100%;
  background: var(--glass-bg); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border); padding: 15px 40px;
  display: flex; align-items: center; justify-content: space-between;
  z-index: 200; transition: background 0.3s;
}
.landing-nav .nav-brand { font-size: 22px; font-weight: 900; color: var(--text-primary); text-decoration: none; }
.landing-nav .nav-brand span { color: var(--neon-green); }
.landing-nav .nav-links { display: flex; gap: 28px; align-items: center; }
.landing-nav .nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.landing-nav .nav-links a:hover { color: var(--text-primary); }
.hero-section {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; flex-direction: column;
  text-align: center; padding: 120px 20px 60px;
  background: radial-gradient(ellipse at 50% 30%, rgba(0,230,118,0.08), transparent 60%);
}
[data-theme="light"] .hero-section { background: radial-gradient(ellipse at 50% 30%, rgba(0,168,84,0.07), transparent 60%); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,230,118,0.10); border: 1px solid rgba(0,230,118,0.3);
  border-radius: 20px; padding: 6px 16px; font-size: 13px; color: var(--neon-green); font-weight: 600; margin-bottom: 24px;
}
.hero-title { font-size: clamp(34px, 5.5vw, 70px); font-weight: 900; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1px; }
.hero-title span { color: var(--neon-green); }
.hero-subtitle { font-size: 18px; color: var(--text-secondary); max-width: 560px; margin-bottom: 36px; line-height: 1.65; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.section { padding: 80px 40px; }
.section-title { font-size: 34px; font-weight: 800; text-align: center; margin-bottom: 10px; letter-spacing: -0.5px; }
.section-sub { color: var(--text-secondary); text-align: center; font-size: 16px; margin-bottom: 50px; }
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; max-width: 1100px; margin: 0 auto; }
.plan-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 18px; padding: 26px 20px; text-align: center; transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s; }
.plan-card:hover { transform: translateY(-4px); border-color: var(--neon-green); box-shadow: 0 8px 32px rgba(0,230,118,0.12); }
.plan-card.featured { border-color: var(--gold); }
.plan-name  { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.plan-price { font-size: 34px; font-weight: 900; color: var(--neon-green); margin-bottom: 4px; }
.plan-price small { font-size: 14px; color: var(--text-secondary); }
.plan-features { list-style: none; margin: 16px 0; text-align: left; }
.plan-features li { padding: 5px 0; font-size: 13px; color: var(--text-secondary); }
.plan-features li::before { content: "✓ "; color: var(--neon-green); font-weight: 700; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; max-width: 1000px; margin: 0 auto; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 24px; transition: background 0.3s; }
.feature-icon { font-size: 30px; margin-bottom: 14px; }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-card p  { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.stats-banner { background: var(--bg-secondary); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 40px; transition: background 0.3s; }
.stats-banner-inner { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 20px; max-width: 800px; margin: 0 auto; text-align: center; }
.stat-item .value { font-size: 30px; font-weight: 900; color: var(--neon-green); }
.stat-item .label { font-size: 13px; color: var(--text-secondary); }
.landing-footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 28px 40px; text-align: center; color: var(--text-secondary); font-size: 14px; transition: background 0.3s; }

/* ============================================================
   Watch Ads
   ============================================================ */
.video-container { position: relative; background: #000; border-radius: 14px; overflow: hidden; aspect-ratio: 16/9; }
.video-container iframe { width: 100%; height: 100%; border: none; pointer-events: none; }
.video-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 16px; }
.watch-timer { font-size: 56px; font-weight: 900; color: var(--neon-green); line-height: 1; }
.watch-label { font-size: 16px; color: #fff; }
.progress-bar-wrap { width: 100%; background: rgba(255,255,255,0.15); border-radius: 4px; height: 6px; margin-top: 8px; }
.progress-bar-fill { height: 100%; background: var(--neon-green); border-radius: 4px; transition: width 1s linear; }

/* ============================================================
   Chat
   ============================================================ */
.chat-container { display: flex; flex-direction: column; height: 500px; }
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.chat-msg { max-width: 72%; padding: 10px 14px; border-radius: 12px; font-size: 14px; line-height: 1.5; }
.chat-msg.sent { background: rgba(0,230,118,0.13); border: 1px solid rgba(0,230,118,0.2); align-self: flex-end; }
.chat-msg.received { background: var(--input-bg); border: 1px solid var(--border); align-self: flex-start; }
.chat-msg .msg-time { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
.chat-input-area { padding: 14px; border-top: 1px solid var(--border); display: flex; gap: 10px; }
.chat-input-area input { flex: 1; }

/* ============================================================
   Modals
   ============================================================ */
.modal-backdrop { position: fixed; inset: 0; background: var(--overlay-bg); z-index: 1000; display: none; align-items: center; justify-content: center; padding: 16px; }
.modal-backdrop.active { display: flex; }
.modal-box { background: var(--modal-bg); border: 1px solid var(--border); border-radius: 18px; padding: 28px; width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto; transition: background 0.3s; }
.modal-box h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }

/* ============================================================
   Hamburger
   ============================================================ */
.hamburger {
  display: none; background: var(--input-bg); border: 1px solid var(--border);
  color: var(--text-primary); font-size: 18px; cursor: pointer;
  border-radius: 8px; width: 38px; height: 38px;
  align-items: center; justify-content: center; flex-shrink: 0; transition: all 0.2s;
}
.hamburger:hover { border-color: var(--neon-green); color: var(--neon-green); }

/* ============================================================
   Utilities
   ============================================================ */
.text-green { color: var(--neon-green); }
.text-red   { color: var(--electric-red); }
.text-gold  { color: var(--gold); }
.text-muted { color: var(--text-secondary); }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.w-100 { width: 100%; }
.text-center { text-align: center; }
.rounded { border-radius: 10px; }
.p-4 { padding: 16px; }
.p-6 { padding: 24px; }

/* ============================================================
   RESPONSIVE - TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); box-shadow: none; }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 40px rgba(0,0,0,0.4); }
  .main-content { margin-left: 0 !important; }
  .hamburger { display: flex; }
}

/* ============================================================
   RESPONSIVE - MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  .topbar { padding: 12px 14px; }
  .topbar-left h1 { font-size: 15px; max-width: 140px; }
  .content-area { padding: 12px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 16px; }
  .hero-title { font-size: 28px; letter-spacing: -0.5px; }
  .hero-subtitle { font-size: 15px; }
  .section { padding: 48px 16px; }
  .section-title { font-size: 24px; }
  .landing-nav { padding: 12px 16px; }
  .landing-nav .nav-links { display: none; }
  .plans-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 24px 18px; border-radius: 16px; }
  .auth-card h2 { font-size: 22px; }
  .chat-container { height: 400px; }
  .table-card td, .table-card th { padding: 10px 11px; font-size: 12px; }
  .glass-card.p-6 { padding: 16px; }
  .stats-banner { padding: 28px 16px; }
  .landing-footer { padding: 20px 16px; }
  .chat-msg { max-width: 88%; }
}

/* ============================================================
   RESPONSIVE - SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 13px; }
  .stat-card .stat-value { font-size: 20px; }
  .plans-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-btns .btn-primary, .hero-btns .btn-outline { width: 220px; justify-content: center; }
  .modal-box { padding: 20px 14px; border-radius: 14px; }
  .topbar-username { display: none; }
  .topbar-right { gap: 8px; }
  .topbar-left h1 { max-width: 100px; }
}

/* ============================================================
   RESPONSIVE - VERY SMALL (≤ 360px)
   ============================================================ */
@media (max-width: 360px) {
  .stats-grid { grid-template-columns: 1fr; }
  .topbar-left h1 { font-size: 13px; max-width: 80px; }
  .stat-card .stat-value { font-size: 18px; }
}