/* ============================================================
   AKB 多元化音樂發廊 — 全站共用樣式
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --gold:    #c9a84c;
  --gold-l:  #e8c96a;
  --gold-d:  #9a7a35;
  --dark:    #0d0d0d;
  --dark2:   #161616;
  --dark3:   #1e1e1e;
  --dark4:   #2a2a2a;
  --gray:    #888;
  --gray-l:  #aaa;
  --white:   #f5f0e8;
  --white2:  #fffdf7;
  --accent:  #8b1a4a;
  --green:   #4caf82;
  --red:     #e05c5c;
  --blue:    #4c8aaf;
  --radius:  12px;
  --radius-sm: 8px;
  --shadow:  0 4px 24px rgba(0,0,0,.45);
  --shadow-gold: 0 0 20px rgba(201,168,76,.25);
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans TC', 'PingFang TC', '微軟正黑體', sans-serif;
  background: var(--dark);
  color: var(--white);
  min-height: 100vh;
  line-height: 1.6;
}
a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-l); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark2); }
::-webkit-scrollbar-thumb { background: var(--gold-d); border-radius: 3px; }

/* ── Typography ─────────────────────────────────────────────── */
h1,h2,h3,h4,h5 { line-height: 1.3; font-weight: 700; }
.gold-text { color: var(--gold); }
.section-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: .05em;
  margin-bottom: 0.4rem;
  color: var(--white);
}
.section-title span { color: var(--gold); }
.section-sub {
  color: var(--gray-l);
  font-size: .95rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}
.section-divider {
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
  margin: .75rem 0 2rem;
}

/* ── Container ───────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .65rem 1.6rem;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  letter-spacing: .04em;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-d));
  color: var(--dark);
  border-color: var(--gold);
  box-shadow: 0 4px 15px rgba(201,168,76,.35);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-l), var(--gold));
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201,168,76,.5);
  color: var(--dark);
}
.btn-outline {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}
.btn-outline:hover {
  background: rgba(201,168,76,.1);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--dark4);
  color: var(--white);
  border-color: var(--dark4);
}
.btn-dark:hover { background: var(--dark3); }
.btn-sm { padding: .4rem 1rem; font-size: .85rem; }
.btn-lg { padding: .85rem 2.2rem; font-size: 1.05rem; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--dark3);
  border-radius: var(--radius);
  border: 1px solid rgba(201,168,76,.12);
  padding: 1.5rem;
  transition: all var(--transition);
}
.card:hover { border-color: rgba(201,168,76,.3); box-shadow: var(--shadow-gold); }
.card-glass {
  background: rgba(22,22,22,.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(201,168,76,.18);
  border-radius: var(--radius);
  padding: 1.5rem;
}

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block;
  font-size: .85rem;
  color: var(--gray-l);
  margin-bottom: .4rem;
  letter-spacing: .05em;
}
.form-control {
  width: 100%;
  background: var(--dark4);
  border: 1.5px solid rgba(201,168,76,.2);
  border-radius: var(--radius-sm);
  padding: .7rem 1rem;
  color: var(--white);
  font-size: .95rem;
  transition: border var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--gold); }
.form-control::placeholder { color: var(--gray); }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ── Status badges ───────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .25rem .7rem;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
}
.status-pending   { background: rgba(201,168,76,.15);  color: var(--gold);  border: 1px solid rgba(201,168,76,.4); }
.status-confirmed { background: rgba(76,175,130,.15);  color: var(--green); border: 1px solid rgba(76,175,130,.4); }
.status-done      { background: rgba(76,138,175,.15);  color: var(--blue);  border: 1px solid rgba(76,138,175,.4); }
.status-cancelled { background: rgba(224,92,92,.15);   color: var(--red);   border: 1px solid rgba(224,92,92,.4); }

/* ── Nav ─────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 2rem;
  background: rgba(13,13,13,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201,168,76,.12);
  transition: all var(--transition);
}
.nav-logo {
  display: flex; align-items: center; gap: .75rem;
  font-size: 1.4rem; font-weight: 900;
  letter-spacing: .08em;
  color: var(--white);
}
.nav-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-d));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: .9rem; font-weight: 500; color: var(--gray-l);
  letter-spacing: .04em;
  position: relative; padding-bottom: .2rem;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px; background: var(--gold); transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { display: flex; gap: .75rem; }
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: .3rem;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  text-align: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(139,26,74,.18) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(201,168,76,.12) 0%, transparent 50%),
              linear-gradient(180deg, var(--dark) 0%, #0a0a0a 100%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; padding: 2rem; }
.hero-eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 600;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,168,76,.1);
  border: 1px solid rgba(201,168,76,.3);
  padding: .3rem 1.2rem; border-radius: 50px;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: .03em;
  margin-bottom: .75rem;
}
.hero-title .line2 {
  display: block;
  background: linear-gradient(135deg, var(--gold-l), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem; color: var(--gray-l);
  letter-spacing: .08em; margin-bottom: 2.5rem;
}
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  position: absolute; bottom: 3rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 3rem;
  z-index: 1;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 2rem; font-weight: 900;
  color: var(--gold); letter-spacing: .05em;
}
.hero-stat-label { font-size: .75rem; color: var(--gray); letter-spacing: .1em; text-transform: uppercase; }
.scroll-hint {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .3rem;
  color: var(--gray); font-size: .75rem; letter-spacing: .1em;
  animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ── Toast ───────────────────────────────────────────────────── */
.toast-container {
  position: fixed; top: 80px; right: 1.5rem;
  z-index: 9999;
  display: flex; flex-direction: column; gap: .5rem;
}
.toast {
  background: var(--dark3);
  border: 1px solid rgba(201,168,76,.3);
  border-radius: var(--radius-sm);
  padding: .8rem 1.2rem;
  font-size: .9rem;
  box-shadow: var(--shadow);
  animation: slideIn .3s ease;
  min-width: 240px;
  max-width: 360px;
}
.toast.success { border-color: rgba(76,175,130,.4); }
.toast.error { border-color: rgba(224,92,92,.4); }
@keyframes slideIn { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:translateX(0)} }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  animation: fadeIn .2s ease;
}
.modal-overlay.hidden { display: none !important; }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
.modal-box {
  background: var(--dark2);
  border: 1px solid rgba(201,168,76,.2);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%; max-width: 480px;
  max-height: 90vh; overflow-y: auto;
  position: relative;
  animation: scaleIn .2s ease;
}
@keyframes scaleIn { from{opacity:0;transform:scale(.95)} to{opacity:1;transform:scale(1)} }
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none;
  color: var(--gray); font-size: 1.4rem;
  cursor: pointer; line-height: 1;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--white); }
.modal-title {
  font-size: 1.3rem; font-weight: 700;
  color: var(--white); margin-bottom: 1.5rem;
}

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th {
  background: rgba(201,168,76,.08);
  color: var(--gold); font-weight: 600;
  padding: .75rem 1rem; text-align: left;
  border-bottom: 1px solid rgba(201,168,76,.15);
  white-space: nowrap;
}
td {
  padding: .7rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.05);
  color: var(--gray-l);
}
tr:hover td { background: rgba(201,168,76,.03); }

/* ── Loading ─────────────────────────────────────────────────── */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid rgba(201,168,76,.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 2rem auto;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* ── Tabs ─────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 1px solid rgba(201,168,76,.15); margin-bottom: 1.5rem; }
.tab-btn {
  padding: .7rem 1.4rem;
  background: none; border: none;
  color: var(--gray); font-size: .9rem; font-weight: 500;
  cursor: pointer; position: relative;
  transition: color var(--transition);
}
.tab-btn::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0;
  height: 2px; background: var(--gold); transform: scaleX(0);
  transition: transform var(--transition);
}
.tab-btn.active { color: var(--gold); }
.tab-btn.active::after { transform: scaleX(1); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(13,13,13,.98);
    padding: 1rem 2rem 2rem;
    border-bottom: 1px solid rgba(201,168,76,.12);
  }
  .hero-stats { flex-direction: column; gap: 1rem; bottom: 1rem; }
  .container { padding: 0 1rem; }
}
@media (max-width: 480px) {
  .section-title { font-size: 1.6rem; }
  .btn-lg { padding: .75rem 1.6rem; font-size: .95rem; }
}