/* ===================================================
   Twotone Attendance System — Black & White Design
   =================================================== */

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

/* Variables */
:root {
  --black: #0A0A0A;
  --black-soft: #1A1A1A;
  --white: #FFFFFF;
  --off-white: #F8F8F8;
  --gray-100: #F3F3F3;
  --gray-200: #E8E8E8;
  --gray-300: #D4D4D4;
  --gray-500: #6B6B6B;
  --gray-400: #9A9A9A;
  --sidebar-bg: #0A0A0A;
  --sidebar-w: 248px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
  --shadow: 0 4px 16px rgba(0,0,0,0.09);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
  --trans: 180ms ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  font-family: var(--font);
  background: var(--off-white);
  color: var(--black);
  line-height: 1.55;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ─── Layout ─────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ─── Sidebar ────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 50;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 22px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.brand-mark {
  width: 34px; height: 34px;
  background: #fff;
  color: var(--black);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px;
  letter-spacing: -0.5px; flex-shrink: 0;
}

.brand-text { display: flex; flex-direction: column; }
.brand-title { font-size: 14px; font-weight: 650; color: #fff; letter-spacing: -0.2px; }
.brand-subtitle { font-size: 10px; color: rgba(255,255,255,0.38); text-transform: uppercase; letter-spacing: 0.8px; }

.sidebar-nav {
  flex: 1;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-label {
  font-size: 9.5px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1px; color: rgba(255,255,255,0.28);
  padding: 10px 10px 4px; margin-top: 4px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.6);
  font-size: 13.5px; font-weight: 450;
  transition: background var(--trans), color var(--trans);
  cursor: pointer;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: #fff; }
.nav-item.active { background: rgba(255,255,255,0.11); color: #fff; font-weight: 550; }
.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.65; }
.nav-item:hover svg, .nav-item.active svg { opacity: 1; }

.sidebar-footer {
  padding: 14px 10px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.user-block { display: flex; align-items: center; gap: 10px; padding: 8px 10px 12px; }
.user-avatar {
  width: 30px; height: 30px;
  background: rgba(255,255,255,0.12); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: #fff; flex-shrink: 0;
}
.user-name { font-size: 12.5px; font-weight: 500; color: rgba(255,255,255,0.82); }
.user-role { font-size: 10.5px; color: rgba(255,255,255,0.36); display: block; }

.logout-form button {
  width: 100%; padding: 9px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.55);
  font-size: 12.5px; font-family: var(--font);
  cursor: pointer; transition: all var(--trans); text-align: left;
  display: flex; align-items: center; gap: 8px;
}
.logout-form button:hover { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.88); }

/* ─── Main Content ───────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1; min-height: 100vh;
  display: flex; flex-direction: column;
}

.page-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 18px 32px;
  display: flex; align-items: flexstart; justify-content: space-between;
  position: sticky; top: 0; z-index: 40;
}
.page-header-left { display: flex; flex-direction: column; gap: 2px; }

.breadcrumb {
  display: flex; align-items: center; gap: 5px;
  font-size: 11.5px; color: var(--gray-500); margin-bottom: 3px;
}
.breadcrumb a { color: var(--gray-500); transition: color var(--trans); }
.breadcrumb a:hover { color: var(--black); }
.breadcrumb span { color: var(--gray-400); }

.page-title {
  font-size: 19px; font-weight: 680;
  color: var(--black); letter-spacing: -0.45px;
}
.page-subtitle { font-size: 12.5px; color: var(--gray-500); margin-top: 1px; }
.page-actions { display: flex; align-items: center; gap: 10px; }

.page-body { padding: 28px 32px; flex: 1; }

/* ─── Messages ───────────────────────────────── */
.messages-wrap { padding: 16px 32px 0; }
.msg {
  padding: 12px 16px; border-radius: var(--radius);
  font-size: 13px; font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}
.msg-success { background: #F0F0F0; border: 1px solid var(--gray-200); color: var(--black); }
.msg-error   { background: #FFF0F0; border: 1px solid #F0C0C0; color: #800000; }
.msg-warning { background: #FFFBF0; border: 1px solid #E0D090; color: #6B5700; }
.msg-info    { background: #F0F0FF; border: 1px solid #C0C8F0; color: #203080; }

/* ─── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 20px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 550; font-family: var(--font);
  cursor: pointer; border: 1px solid transparent;
  transition: all var(--trans); white-space: nowrap;
}
.btn-primary { background: var(--black); color: #fff; border-color: var(--black); }
.btn-primary:hover { background: var(--black-soft); box-shadow: 0 4px 14px rgba(0,0,0,0.22); }
.btn-outline { background: #fff; color: var(--black); border-color: var(--gray-300); }
.btn-outline:hover { border-color: var(--black); background: var(--gray-100); }
.btn-sm { padding: 6px 14px; font-size: 12.5px; }
.btn-danger { background: #fff; color: #900; border-color: #F0C0C0; }
.btn-danger:hover { background: #FFF0F0; }
.btn svg { width: 15px; height: 15px; }

/* ─── Stats Grid ─────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px; margin-bottom: 28px;
}
.stat-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 18px 20px;
  transition: box-shadow var(--trans);
}
.stat-card:hover { box-shadow: var(--shadow); }
.stat-label {
  font-size: 10.5px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.8px; color: var(--gray-500); margin-bottom: 8px;
}
.stat-value { font-size: 30px; font-weight: 750; color: var(--black); letter-spacing: -1px; line-height: 1; }
.stat-meta { font-size: 11.5px; color: var(--gray-500); margin-top: 5px; }

/* ─── Card ───────────────────────────────────── */
.card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); overflow: hidden;
}
.card-header {
  padding: 18px 24px; border-bottom: 1px solid var(--gray-200);
  display: flex; align-items: center; justify-content: space-between;
}
.card-title { font-size: 14.5px; font-weight: 650; color: var(--black); letter-spacing: -0.2px; }
.card-body { padding: 24px; }

/* ─── Product Grid ───────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.product-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 22px;
  display: block; color: inherit;
  transition: box-shadow var(--trans), border-color var(--trans);
  cursor: pointer; position: relative; overflow: hidden;
}
.product-card:hover { box-shadow: var(--shadow-lg); border-color: var(--gray-300); }

.product-card-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--black); transform: scaleX(0); transform-origin: left;
  transition: transform var(--trans);
}
.product-card:hover .product-card-accent { transform: scaleX(1); }

.product-card-name {
  font-size: 14px; font-weight: 600; color: var(--black);
  margin-bottom: 4px; line-height: 1.4;
}
.product-card-id {
  font-size: 10.5px; color: var(--gray-400);
  font-family: monospace; margin-bottom: 18px;
}

.product-card-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 10px; padding-top: 16px; border-top: 1px solid var(--gray-200);
}
.pstat { text-align: center; }
.pstat-val { font-size: 22px; font-weight: 750; color: var(--black); display: block; letter-spacing: -0.5px; }
.pstat-label { font-size: 9.5px; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }

.progress-wrap { margin-top: 14px; }
.progress-labels {
  display: flex; justify-content: space-between;
  font-size: 10.5px; color: var(--gray-500); margin-bottom: 5px;
}
.progress-bar {
  height: 4px; background: var(--gray-200);
  border-radius: 2px; overflow: hidden;
}
.progress-fill {
  height: 100%; background: var(--black); border-radius: 2px;
  transition: width 0.6s ease;
}

/* ─── Table ──────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { border-bottom: 1px solid var(--gray-200); }
th {
  text-align: left; font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.7px; color: var(--gray-500);
  padding: 11px 16px; background: var(--off-white);
}
td { padding: 13px 16px; font-size: 13.5px; border-bottom: 1px solid var(--gray-200); }
tbody tr { transition: background var(--trans); }
tbody tr:hover { background: var(--off-white); }
tbody tr:last-child td { border-bottom: none; }

/* ─── Badges ─────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 99px;
  font-size: 11px; font-weight: 600;
}
.badge-webhook { background: var(--black); color: #fff; }
.badge-manual  { background: var(--gray-100); color: var(--gray-500); border: 1px solid var(--gray-200); }
.badge-full    { background: var(--black); color: #fff; }
.badge-partial { background: var(--gray-100); color: var(--black); border: 1px solid var(--gray-300); }
.badge-empty   { background: var(--gray-100); color: var(--gray-500); border: 1px solid var(--gray-200); }

/* ─── Seat Grid ──────────────────────────────── */
.seat-grid-wrap { margin: 4px 0; }
.seat-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.seat {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
  transition: all var(--trans); cursor: default;
}
.seat-attended {
  background: var(--black); color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.seat-remaining {
  background: var(--white); color: var(--gray-400);
  border: 2px solid var(--gray-200);
}

/* ─── Order Detail ───────────────────────────── */
.order-meta-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px; margin-bottom: 24px;
}
.order-meta-item { display: flex; flex-direction: column; gap: 2px; }
.order-meta-label { font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.7px; color: var(--gray-500); }
.order-meta-value { font-size: 14px; font-weight: 500; color: var(--black); }

.attend-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.attend-form .form-group { display: flex; flex-direction: column; gap: 5px; }
.form-label { font-size: 12px; font-weight: 550; color: var(--gray-500); }
.form-input {
  padding: 9px 14px; border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: 13.5px; font-family: var(--font);
  color: var(--black); background: var(--white); outline: none;
  transition: border-color var(--trans), box-shadow var(--trans);
  width: 100%;
}
.form-input:focus { border-color: var(--black); box-shadow: 0 0 0 3px rgba(0,0,0,0.06); }
.form-input[type="number"] { width: 100px; }

.record-list { display: flex; flex-direction: column; gap: 0; }
.record-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 0; border-bottom: 1px solid var(--gray-200);
}
.record-item:last-child { border-bottom: none; }
.record-count { font-size: 15px; font-weight: 700; color: var(--black); }
.record-by { font-size: 12px; color: var(--gray-500); }
.record-note { font-size: 12.5px; color: var(--gray-500); font-style: italic; }
.record-time { font-size: 11.5px; color: var(--gray-400); text-align: right; }

/* ─── Forms (manual order) ───────────────────── */
.form-section { margin-bottom: 28px; }
.form-section-title { font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: 0.9px; color: var(--gray-500); margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-control {
  padding: 10px 14px; border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: 13.5px; font-family: var(--font);
  color: var(--black); background: var(--white); outline: none;
  transition: border-color var(--trans), box-shadow var(--trans); width: 100%;
}
.form-control:focus { border-color: var(--black); box-shadow: 0 0 0 3px rgba(0,0,0,0.06); }
.form-error { font-size: 11.5px; color: #900; margin-top: 3px; }
.form-hint { font-size: 11.5px; color: var(--gray-500); margin-top: 2px; }

/* ─── Login Page ─────────────────────────────── */
.login-page {
  min-height: 100vh; background: var(--off-white);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%; max-width: 420px;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-lg);
}
.login-brand {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 32px;
}
.login-brand-mark {
  width: 40px; height: 40px; background: var(--black); color: #fff;
  border-radius: var(--radius); display: flex; align-items: center;
  justify-content: center; font-weight: 800; font-size: 14px;
}
.login-brand-title { font-size: 17px; font-weight: 700; color: var(--black); letter-spacing: -0.3px; }
.login-brand-sub { font-size: 11px; color: var(--gray-500); }
.login-heading { font-size: 22px; font-weight: 720; color: var(--black); letter-spacing: -0.5px; margin-bottom: 6px; }
.login-sub { font-size: 13px; color: var(--gray-500); margin-bottom: 28px; }
.login-form { display: flex; flex-direction: column; gap: 16px; }
.login-form .btn-primary { padding: 11px 20px; font-size: 14px; width: 100%; justify-content: center; margin-top: 4px; }
.login-error { background: #FFF0F0; border: 1px solid #F0C0C0; color: #800000; padding: 11px 14px; border-radius: var(--radius-sm); font-size: 12.5px; }

/* ─── Empty State ─────────────────────────────── */
.empty-state {
  text-align: center; padding: 64px 32px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.empty-icon { width: 56px; height: 56px; color: var(--gray-300); margin-bottom: 4px; }
.empty-title { font-size: 16px; font-weight: 600; color: var(--black); }
.empty-sub { font-size: 13px; color: var(--gray-500); max-width: 320px; }

/* ─── Utilities ──────────────────────────────── */
.text-muted { color: var(--gray-500); }
.font-mono { font-family: monospace; }
.flex { display: flex; } .items-center { align-items: center; } .gap-8 { gap: 8px; }
.mt-4 { margin-top: 4px; } .mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }