/* Base */
:root {
  --bg: #f7f8fb;
  --panel: #ffffff;
  --muted: #6b7280;
  --text: #0b0d12;
  --primary: #111827;
  --primary-600: #0f172a;
  --accent: #16a34a;
  --border: #e5e7eb;
  --danger: #ef4444;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(15,23,42,.08);
  --header-bg: rgba(255,255,255,.9);
  --nav-bg: rgba(255,255,255,1);
  --surface: #ffffff;
  --input-bg: #ffffff;
  --footer-bg: #ffffff;
  --hover: #f1f5f9;
}

:root[data-theme="light"] {
  --bg: #f7f8fb;
  --panel: #ffffff;
  --muted: #6b7280;
  --text: #0b0d12;
  --border: #e5e7eb;
  --header-bg: rgba(255,255,255,.9);
  --nav-bg: rgba(255,255,255,1);
  --surface: #ffffff;
  --input-bg: #ffffff;
  --footer-bg: #ffffff;
  --hover: #f1f5f9;
  --shadow: 0 8px 24px rgba(15,23,42,.08);
}

/* Dark theme variables */
:root[data-theme="dark"] {
  --bg: #0b0d12;
  --panel: #121621;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --primary: #5b9cff;
  --primary-600: #3b82f6;
  --accent: #22c55e;
  --border: #1f2937;
  --danger: #ef4444;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0,0,0,.3);
  --header-bg: rgba(11,13,18,.8);
  --nav-bg: rgba(11,13,18,.98);
  --surface: #0e1220;
  --input-bg: #0b0f1a;
  --footer-bg: #0b0f1a;
  --hover: #0b0f1a;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand { display: inline-flex; align-items: baseline; gap: 6px; color: var(--text); text-decoration: none; }
.brand-mark { background: var(--primary); color: #ffffff; font-weight: 800; padding: 6px 8px; border-radius: 8px; letter-spacing: .5px; }
.brand-name { font-weight: 700; letter-spacing: 1px; }

.primary-nav ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 20px; align-items: center; }
.primary-nav a { color: var(--muted); text-decoration: none; font-weight: 500; transition: all 0.2s ease; }
.primary-nav a:hover { color: var(--text); }
.primary-nav a.active { color: var(--text); }

/* Auth button styling */
.nav-link-auth {
  background: var(--primary);
  color: #ffffff !important;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}
.nav-link-auth:hover {
  background: var(--primary-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.nav-link-login {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}
.nav-link-register {
  background: linear-gradient(135deg, #10b981, #059669);
}
.nav-link-logout {
  color: var(--danger) !important;
  font-weight: 600;
}
.nav-link-logout:hover {
  color: var(--danger) !important;
  text-decoration: underline;
}
.theme-toggle { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 8px 12px; border-radius: 10px; cursor: pointer; font-weight: 600; }
.theme-toggle:hover { color: var(--text); border-color: var(--muted); }

.hamburger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 56px;
  min-height: 48vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.home .hero { padding: 100px 0 80px; min-height: 72vh; }
/* Default hero background for non-home pages that don't specify one */
body:not(.home) .hero { background-image: url('profile2.jpg'); }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.5), rgba(0,0,0,.5));
}
:root[data-theme="light"] .hero::before { background: linear-gradient(180deg, rgba(0,0,0,.6), rgba(0,0,0,.55)); }
.hero > .container { position: relative; z-index: 1; min-height: 60vh; display: flex; flex-direction: column; justify-content: center; }
/* Remove side image layout when using background hero */
.hero-row { display: block; }
.hero-col.image { display: none; }
@media (max-width: 900px) { .hero-row { display: block; } }

@media (max-width: 680px) {
  .hero { padding: 72px 0 56px; min-height: 60vh; }
  .hero > .container { min-height: 50vh; }
}

/* Improve hero text readability */
.hero .content { background: rgba(0,0,0,.35); padding: 16px; border-radius: 12px; backdrop-filter: blur(2px); }
.hero h1 { color: #ffffff; text-shadow: 0 2px 6px rgba(0,0,0,.4); }
.hero .subtitle { color: rgba(255,255,255,.92); text-shadow: 0 1px 4px rgba(0,0,0,.35); }
.hero h1 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.4rem); line-height: 1.2; margin: 0 0 10px; }
.hero .subtitle { margin: 0 0 20px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
}
.btn-primary { 
  background: linear-gradient(135deg, #3b82f6, #8b5cf6); 
  color: #ffffff; 
  box-shadow: var(--shadow); 
  font-weight: 600;
  padding: 14px 20px;
  border-radius: 10px;
  transition: all 0.2s ease;
}
.btn-primary:hover { 
  background: linear-gradient(135deg, #2563eb, #7c3aed); 
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-block { width: 100%; }

/* Improve ghost button contrast on hero banner */
.hero .btn-ghost { color: #ffffff; border-color: rgba(255,255,255,.6); }
.hero .btn-ghost:hover { color: #ffffff; border-color: #ffffff; background: rgba(255,255,255,.06); }

/* Sections */
section { padding: 32px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.section-head h2 { margin: 0; font-size: 1.4rem; }
.section-sub { color: var(--muted); margin: 0; }

/* Tabs */
.tabs { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.tab-row, .subtab-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tab, .subtab {
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
}
.tab.is-active, .subtab.is-active { color: #ffffff; background: var(--primary); border-color: transparent; }
.buy-vip { color: var(--text); }

/* Theme-specific color for Buy VIP button */
:root[data-theme="light"] .buy-vip { background: #0b0d12; color: #ffffff; border-color: transparent; }
:root[data-theme="dark"] .buy-vip { background: var(--primary); color: #ffffff; border-color: transparent; }
.subtab-row { margin-top: 10px; }

.notices { margin-top: 14px; display: grid; gap: 12px; }
.callout { 
  background: var(--surface); 
  border: 2px solid var(--border); 
  padding: 16px 20px; 
  border-radius: 12px; 
  color: var(--muted); 
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.vip-form { 
  background: var(--surface); 
  border: 2px solid var(--border); 
  padding: 24px; 
  border-radius: 12px; 
  box-shadow: var(--shadow);
  margin-top: 16px;
}
.vip-form.hidden { display: none; }
.vip-form h3 { margin: 0 0 8px; font-size: 1.05rem; }
.form-row { display: grid; gap: 8px; margin: 16px 0; }
.form-row label { color: var(--muted); font-size: .95rem; }
.vip-form input, .vip-form select {
  background: var(--input-bg);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 16px; /* prevent iOS zoom */
  font-weight: 500;
  transition: all 0.2s ease;
}
.vip-form input:focus, .vip-form select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
  background: var(--panel);
}
.vip-form input::placeholder {
  color: var(--muted);
  opacity: 0.8;
}
.vip-form label { color: var(--text); font-weight: 700; }
.vip-form #price { font-weight: 800; color: var(--text); }

/* Search icon inside currency search input */
#currencySearch {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
  padding-left: 40px;
}
/* Ensure contact form textarea/button also avoid zoom via consistent font size */
.vip-form textarea, .vip-form button { font-size: 16px; }
.form-hint { margin: 8px 2px 0; color: var(--muted); font-size: .9rem; }

/* Table */
.table-wrapper { margin-top: 14px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.tips-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.tips-table thead th { text-align: left; background: var(--surface); color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); padding: 12px; }
.tips-table tbody td { padding: 12px; border-bottom: 1px solid var(--border); }
.tips-table tbody tr:hover { background: var(--hover); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .85rem; font-weight: 700; letter-spacing: .3px; }
.badge.win { background: rgba(34,197,94,.15); color: #86efac; }
.badge.lose { background: rgba(239,68,68,.15); color: #fca5a5; }
.badge.pending { background: rgba(59,130,246,.15); color: #93c5fd; }
.badge.void { background: rgba(107,114,128,.15); color: #d1d5db; }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.blog-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.blog-meta { color: var(--muted); font-size: .9rem; }
.blog-title { margin: 6px 0 8px; }
.blog-link { color: var(--primary); text-decoration: none; font-weight: 600; }
.blog-link:hover { color: var(--primary-600); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 32px; padding: 24px 0; background: var(--footer-bg); }
.footgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; align-items: start; }
.foot-col h4 { margin: 0 0 8px; }
.foot-col a { color: var(--muted); text-decoration: none; }
.foot-col a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 820px) {
  .primary-nav { position: absolute; top: 56px; right: 0; left: 0; background: var(--nav-bg); display: none; border-bottom: 1px solid var(--border); }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; padding: 10px 16px 16px; gap: 12px; }
  .hamburger { display: inline-block; }
  .nav-link-auth {
    text-align: center;
    margin: 4px 0;
  }
}

@media (max-width: 680px) {
  .tips-table { min-width: 0; display: block; overflow-x: auto; }
}

/* Success and Error Messages */
.callout.success {
  background: #f0f9ff;
  border: 1px solid #0ea5e9;
  color: #0c4a6e;
}

.callout.error {
  background: #fef2f2;
  border: 1px solid #f87171;
  color: #991b1b;
}