/* ============================================================
   DarenPrint — Global Futuristic Theme
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

:root {
  /* Colour palette */
  --clr-bg:          #050a14;
  --clr-bg-card:     #0b1628;
  --clr-bg-elevated: #0f1f3d;
  --clr-primary:     #00d4ff;
  --clr-primary-dim: #007fa6;
  --clr-accent:      #7b2fff;
  --clr-success:     #00e57c;
  --clr-warning:     #ffbe00;
  --clr-danger:      #ff3d5e;
  --clr-text:        #d0e8ff;
  --clr-text-muted:  #6a8cad;
  --clr-border:      rgba(0,212,255,.18);

  /* Typography */
  --font-display: 'Orbitron', 'Segoe UI', monospace;
  --font-body:    'Rajdhani', 'Segoe UI', sans-serif;

  /* Spacing */
  --radius:   8px;
  --radius-lg: 16px;

  /* Glow effects */
  --glow-primary: 0 0 12px rgba(0,212,255,.45), 0 0 28px rgba(0,212,255,.2);
  --glow-accent:  0 0 12px rgba(123,47,255,.5),  0 0 28px rgba(123,47,255,.25);
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-primary-dim); border-radius: 3px; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  letter-spacing: .05em;
  line-height: 1.2;
}

a { color: var(--clr-primary); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; text-shadow: var(--glow-primary); }

/* ── Navbar ────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 2rem;
  background: rgba(5,10,20,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.navbar__brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--clr-primary);
  text-shadow: var(--glow-primary);
  letter-spacing: .1em;
}

.navbar__links { display: flex; align-items: center; gap: 1.5rem; }
.navbar__links a { font-size: .95rem; font-weight: 500; letter-spacing: .04em; }

/* Hamburger toggle — injected into every navbar by main.js, shown only on mobile */
.navbar__toggle { display: none; }

/* Wrapper around the greeting + credits. Transparent everywhere (so desktop and
   non-home menus are unchanged); only the homepage mobile menu gives it a box
   so it can share the 查詢帳戶 row — see the media query below. */
.navbar__auth-id { display: contents; }

/* Homepage mobile member sub-bar — sits directly under the navbar and holds the
   查詢帳戶 line (link + greeting + 點數). Created/toggled by syncMemberBar();
   display is set inline (flex when shown, none otherwise). */
.navbar__memberbar {
  align-items: center;
  gap: .6rem;
  padding: .5rem 1rem;
  background: rgba(5, 10, 20, .92);
  border-bottom: 1px solid var(--clr-border);
}
.navbar__memberbar #nav-query-account {
  flex: 0 0 auto; font-size: .9rem; font-weight: 600; color: var(--clr-primary);
}
.navbar__memberbar .auth-greeting {
  margin-left: auto; min-width: 0; flex: 0 1 auto;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-size: .82rem; color: var(--clr-text-muted); text-decoration: none;
}
.navbar__memberbar .auth-balance-btn { flex: 0 0 auto; white-space: nowrap; }

.cart-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .8rem;
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-primary);
  border-radius: 20px;
  color: var(--clr-primary);
  font-weight: 700;
  font-size: .9rem;
  transition: box-shadow .2s;
}
.cart-badge:hover { box-shadow: var(--glow-primary); }
.cart-badge__count {
  background: var(--clr-primary);
  color: var(--clr-bg);
  border-radius: 50%;
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 900;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .7rem 1.6rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  transition: all .2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-primary:hover { filter: brightness(1.2); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 1px solid var(--clr-primary);
}
.btn-outline:hover { background: var(--clr-primary); color: var(--clr-bg); }

.btn-danger  { background: var(--clr-danger); color: #fff; }
.btn-success { background: var(--clr-success); color: var(--clr-bg); }

.btn:disabled { opacity: .4; cursor: not-allowed; transform: none !important; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color .2s, box-shadow .2s;
}
.card:hover { border-color: var(--clr-primary); box-shadow: var(--glow-primary); }

/* ── Form elements ─────────────────────────────────────────── */
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; margin-bottom: .4rem; color: var(--clr-text-muted); font-size: .9rem; letter-spacing: .04em; }

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: .7rem 1rem;
  background: var(--clr-bg-elevated);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 2px rgba(0,212,255,.15);
}

/* ── Status badges ─────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.badge-pending   { background: rgba(255,190,0,.15);  color: var(--clr-warning); border: 1px solid var(--clr-warning); }
.badge-paid      { background: rgba(0,229,124,.15);  color: var(--clr-success); border: 1px solid var(--clr-success); }
.badge-cancelled { background: rgba(255,61,94,.15);  color: var(--clr-danger);  border: 1px solid var(--clr-danger); }
.badge-processing{ background: rgba(0,212,255,.15);  color: var(--clr-primary); border: 1px solid var(--clr-primary); }
.badge-shipped   { background: rgba(123,47,255,.15); color: var(--clr-accent);  border: 1px solid var(--clr-accent); }
.badge-completed { background: rgba(0,229,124,.15);  color: var(--clr-success); border: 1px solid var(--clr-success); }

/* ── Animated glowing separator ───────────────────────────── */
.hr-glow {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-primary), var(--clr-accent), transparent);
  margin: .6rem 0;
  animation: hr-pulse 3s ease-in-out infinite alternate;
}
@keyframes hr-pulse { from { opacity: .4; } to { opacity: 1; } }

/* ── Page hero ─────────────────────────────────────────────── */
.hero {
  padding: 2rem 2rem .8rem;
  text-align: center;
}
.hero__title {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: .5rem;
}
.hero__subtitle {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Homepage carousel ─────────────────────────────────────── */
/* Match .container (1280px / 1.5rem) so the carousel aligns with the page. */
.carousel { position: relative; max-width: 1280px; margin: 1.5rem auto 0; padding: 0 1.5rem; }
.carousel[hidden] { display: none; }
.carousel__viewport { overflow: hidden; border-radius: var(--radius); border: 1px solid var(--clr-border); }
.carousel__track { display: flex; transition: transform .5s ease; }
.carousel__slide { flex: 0 0 100%; min-width: 100%; }
.carousel__slide img { width: 100%; height: clamp(160px, 30vw, 360px); object-fit: cover; object-position: center; display: block; background: var(--clr-bg-elevated); }
.carousel__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border: none; border-radius: 50%;
  background: rgba(0,0,0,.45); color: #fff; font-size: 1.5rem; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.carousel__nav:hover { background: rgba(0,0,0,.7); }
.carousel__nav--prev { left: 1.6rem; }
.carousel__nav--next { right: 1.6rem; }
.carousel__dots { display: flex; justify-content: center; gap: .45rem; margin-top: .7rem; }
.carousel__dot { width: 9px; height: 9px; padding: 0; border: none; border-radius: 50%; background: var(--clr-border); cursor: pointer; }
.carousel__dot.active { background: var(--clr-primary); }

/* ── Grid ──────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.2rem; }

/* ── Container ─────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Toast notifications ───────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.toast {
  padding: .8rem 1.2rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  animation: toast-in .3s ease;
  max-width: 320px;
}
.toast-success { background: rgba(0,229,124,.2); border: 1px solid var(--clr-success); color: var(--clr-success); }
.toast-error   { background: rgba(255,61,94,.2);  border: 1px solid var(--clr-danger);  color: var(--clr-danger); }
.toast-info    { background: rgba(0,212,255,.2);  border: 1px solid var(--clr-primary); color: var(--clr-primary); }
@keyframes toast-in { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:none; } }

/* ── Loading spinner ───────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 24px; height: 24px;
  border: 3px solid rgba(0,212,255,.2);
  border-top-color: var(--clr-primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Table ─────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .8rem 1rem; text-align: left; border-bottom: 1px solid var(--clr-border); font-size: .95rem; }
th { color: var(--clr-primary); font-family: var(--font-display); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
tr:hover td { background: rgba(0,212,255,.04); }

/* ── Auth nav ──────────────────────────────────────────────── */
.navbar__auth { display: flex; align-items: center; gap: .8rem; }
.auth-greeting { font-size: .85rem; color: var(--clr-text-muted); }
.btn-sm { padding: .35rem .9rem; font-size: .8rem; }
.auth-balance-btn {
  font-size: .8rem; font-weight: 600;
  color: var(--clr-primary);
  border: 1px solid var(--clr-primary);
  border-radius: 999px;
  padding: .15rem .7rem;
  background: rgba(0,212,255,.08);
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.auth-balance-btn:hover { background: rgba(0,212,255,.18); }
/* Selected preset: cyan fill with a red number so it stays legible (the plain
   cyan text was invisible once :hover filled the background cyan on tap). */
.topup-preset.active,
.topup-preset.active:hover { border-color: var(--clr-primary); background: var(--clr-primary); color: var(--clr-danger); box-shadow: var(--glow-primary); }

/* ── Auth modal ────────────────────────────────────────────── */
.auth-modal {
  position: fixed; inset: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: center;
}
.auth-modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(4px);
}
.auth-modal__box {
  position: relative; z-index: 1;
  width: min(420px, 92vw);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--glow-primary);
  transform: scale(.75);
  transform-origin: center;
}
.auth-modal__close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none;
  color: var(--clr-text-muted); font-size: 1.1rem;
  cursor: pointer; line-height: 1;
}
.auth-modal__close:hover { color: var(--clr-text); }
.auth-modal__tabs {
  display: flex;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--clr-border);
}
.auth-tab {
  flex: 1; padding: .7rem .5rem;
  background: none; border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;             /* overlap container border so active aligns flush */
  color: var(--clr-text-muted);
  font-family: var(--font-display); font-size: .9rem;
  cursor: pointer; transition: color .15s, border-color .15s;
}
.auth-tab:hover { color: var(--clr-text); }
.auth-tab.active {
  color: var(--clr-primary);
  border-bottom-color: var(--clr-primary);
  font-weight: 600;
}
.password-wrap { position: relative; }
.password-wrap input { width: 100%; padding-right: 2.4rem; box-sizing: border-box; }
.password-toggle {
  position: absolute; right: .35rem; top: 50%;
  transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--clr-text-muted);
  font-size: 1rem; line-height: 1;
  padding: .3rem .4rem;
}
.password-toggle:hover { color: var(--clr-text); }

.auth-divider {
  text-align: center; margin: 1rem 0;
  color: var(--clr-text-muted); font-size: .85rem;
  position: relative;
}
.auth-divider::before, .auth-divider::after {
  content: ''; position: absolute; top: 50%;
  width: 44%; height: 1px;
  background: var(--clr-border);
}
.auth-divider::before { left: 0; }
.auth-divider::after  { right: 0; }

/* Homepage tag filter: the category-tag dropdown is mobile-only (see below) */
#tag-filter .tag-extra-select { display: none; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 0 1rem; }
  .hero { padding: 2.5rem 1rem; }

  /* Tag filter: keep 全部/熱門/最新/優惠 as buttons; collapse the rest into
     a dropdown so the row stays on one line on small screens. */
  #tag-filter .tag-extra { display: none; }
  /* Show the category dropdown and keep it at the rightmost of the tag row
     (flex order > 0) so it sits inline after 全部/熱門/最新/優惠, not on its own line. */
  #tag-filter .tag-extra-select { display: inline-block; order: 1; }

  /* ── Compact mobile navbar with hamburger dropdown ─────────── */
  .navbar { padding: .6rem 1rem; }
  /* margin-right:auto keeps the brand left while the bar-level 登入/註冊 button
     (moved out of the dropdown by syncAuthPlacement) groups right with the hamburger.
     min-width:0 + ellipsis lets the brand shrink on very narrow phones rather than
     pushing the login button off-screen. */
  .navbar__brand {
    font-size: 1.05rem; letter-spacing: .03em; margin-right: auto;
    min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }

  /* Logged-out: .navbar__auth is relocated into the top bar (direct child of
     .navbar) — compact, not the full-width dropdown treatment below. */
  .navbar > .navbar__auth { flex: 0 0 auto; width: auto; gap: .5rem; padding: 0; margin-right: .6rem; }
  .navbar > .navbar__auth .btn { white-space: nowrap; }

  .navbar__toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 38px;
    padding: 9px 8px;
    background: var(--clr-bg-elevated);
    border: 1px solid var(--clr-primary);
    border-radius: 10px;
    cursor: pointer;
    flex: 0 0 auto;
  }
  .navbar__toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--clr-primary);
    border-radius: 2px;
    transition: transform .25s, opacity .25s;
  }
  .navbar.is-open .navbar__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .navbar.is-open .navbar__toggle span:nth-child(2) { opacity: 0; }
  .navbar.is-open .navbar__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Links collapse into a dropdown panel below the bar */
  .navbar__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .25rem 1rem 1rem;
    background: rgba(5, 10, 20, .98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .4);
  }
  .navbar.is-open .navbar__links { display: flex; }
  .navbar__links > a:not(.cart-badge) {
    padding: .85rem .25rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--clr-border);
  }
  .navbar__links .cart-badge {
    justify-content: center;
    margin: .7rem 0 0;
    padding: .6rem .8rem;
  }
  /* Dropdown placement (logged-in greeting/credits, or any auth still in the
     menu) — scoped to inside .navbar__links so the bar-level rules above win. */
  .navbar__links .navbar__auth {
    width: 100%;
    flex-wrap: wrap;
    gap: .6rem;
    padding-top: .8rem;
  }
  .navbar__links .navbar__auth .btn { flex: 1 1 auto; justify-content: center; }
  .auth-greeting { width: 100%; }

  /* Homepage menu: 查詢帳戶 + greeting + credits share one row; 登出 sits below
     the cart. Scoped to .navbar--home so other pages' menus are unaffected. */
  .navbar--home .navbar__links { flex-direction: row; flex-wrap: wrap; align-items: center; column-gap: .5rem; }
  .navbar--home .navbar__links > a:not(.cart-badge):not(#nav-query-account) { flex: 0 0 100%; order: 1; }
  .navbar--home #nav-query-account { order: 2; flex: 0 0 auto; }
  .navbar--home .navbar__links .navbar__auth { display: contents; }
  .navbar--home .navbar__auth-id {
    display: flex; order: 2; flex: 1 1 auto;
    align-items: center; gap: .5rem; min-width: 0;
    padding: .85rem 0; border-bottom: 1px solid var(--clr-border);
  }
  /* Name shrinks to an ellipsis so the credits chip always stays visible. */
  .navbar--home .navbar__auth-id .auth-greeting {
    flex: 1 1 0; min-width: 0; width: auto; font-size: .82rem; text-align: right;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .navbar--home .navbar__auth-id .auth-balance-btn { flex: 0 0 auto; white-space: nowrap; }
  .navbar--home .navbar__links .cart-badge { order: 3; flex: 0 0 100%; }
  .navbar--home #nav-logout-btn { order: 4; flex: 0 0 100%; }
}