/* ============================================================
   Internet SIM Manager - 2 themes: dark (default) / light
   ใช้ CSS variables + data-theme บน <html>
   ============================================================ */

/* ---- Theme tokens: DARK (default) ---- */
:root,
[data-theme="dark"] {
  --bg:            #0b1020;
  --bg-elev:       rgba(15, 23, 42, .55);        /* table wrapper */
  --bg-topbar:     rgba(15, 23, 42, .75);        /* topbar */
  --bg-thead:      rgba(15, 23, 42, .95);        /* table head */
  --bg-input:      rgba(15, 23, 42, .6);         /* input */
  --bg-modal:      #101830;                       /* modal panel */
  --bg-chip:       rgba(255,255,255,.04);         /* stat chip */
  --bg-chip-2:     rgba(255,255,255,.03);         /* ro-value */
  --bg-hover:      rgba(99, 102, 241, .06);       /* row hover */
  --bg-hist:       rgba(255,255,255,.02);

  --ink-1:         #e5e7ef;                       /* body text */
  --ink-2:         #cbd5e1;                       /* subtle text */
  --ink-3:         #94a3b8;                       /* sub */
  --ink-muted:     #64748b;
  --ink-title:     #38bdf8;                       /* modal title */

  --line:          rgba(148, 163, 184, .12);      /* border ทั่วไป */
  --line-strong:   rgba(148, 163, 184, .2);       /* border input */
  --line-soft:     rgba(148, 163, 184, .06);      /* tbody row */

  --accent:        #6366f1;
  --accent-2:      #0ea5e9;
  --accent-glow:   rgba(99, 102, 241, .35);
  --focus-ring:    rgba(99,102,241,.18);

  --link:          #38bdf8;
  --link-hover:    #7dd3fc;

  --success:       #10b981;
  --success-glow:  rgba(16,185,129,.4);
  --danger:        #ef4444;
  --danger-glow:   rgba(239,68,68,.4);

  /* radial bg glow overlays */
  --glow-1:        rgba(99, 102, 241, .18);
  --glow-2:        rgba(14, 165, 233, .15);

  --shadow-modal:  0 30px 80px rgba(0,0,0,.5);
}

/* ---- Theme tokens: LIGHT ---- */
[data-theme="light"] {
  --bg:            #f4f6fb;
  --bg-elev:       #ffffff;
  --bg-topbar:     rgba(255, 255, 255, .85);
  --bg-thead:      #f8fafc;
  --bg-input:      #ffffff;
  --bg-modal:      #ffffff;
  --bg-chip:       #f1f5f9;
  --bg-chip-2:     #f8fafc;
  --bg-hover:      rgba(99, 102, 241, .06);
  --bg-hist:       #f8fafc;

  --ink-1:         #0f172a;
  --ink-2:         #334155;
  --ink-3:         #64748b;
  --ink-muted:     #94a3b8;
  --ink-title:     #0284c7;

  --line:          rgba(15, 23, 42, .08);
  --line-strong:   rgba(15, 23, 42, .14);
  --line-soft:     rgba(15, 23, 42, .05);

  --accent:        #6366f1;
  --accent-2:      #0ea5e9;
  --accent-glow:   rgba(99, 102, 241, .25);
  --focus-ring:    rgba(99, 102, 241, .18);

  --link:          #0284c7;
  --link-hover:    #0369a1;

  --success:       #059669;
  --success-glow:  rgba(5,150,105,.35);
  --danger:        #dc2626;
  --danger-glow:   rgba(220,38,38,.35);

  --glow-1:        rgba(99, 102, 241, .08);
  --glow-2:        rgba(14, 165, 233, .08);

  --shadow-modal:  0 30px 80px rgba(15,23,42,.18);
}

/* ---- reset & base ---- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: 'Inter', 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI',
               'Sarabun', 'Kanit', sans-serif;
  background: var(--bg);
  color: var(--ink-1);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  transition: background .25s, color .25s;
}

/* พื้นหลังแบบ gradient ให้ดูหรู */
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(circle at 20% 0%, var(--glow-1), transparent 50%),
    radial-gradient(circle at 80% 100%, var(--glow-2), transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ---- Topbar (header) ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px;
  background: var(--bg-topbar);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
  transition: background .25s, border-color .25s;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; letter-spacing: 1px;
  color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.brand h1 { font-size: 18px; font-weight: 700; color: var(--ink-1); }
.sub { font-size: 12px; color: var(--ink-3); margin-top: 2px; }

/* Stat chips + theme toggle group */
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.stat {
  background: var(--bg-chip);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 16px;
  min-width: 96px;
  text-align: center;
}
.stat .label { display: block; font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .6px; }
.stat .value { display: block; font-size: 20px; font-weight: 700; color: var(--ink-1); margin-top: 2px; }

/* ---- Theme toggle button ---- */
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--bg-chip);
  color: var(--ink-2);
  cursor: pointer;
  font-size: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s, transform .1s;
}
.theme-toggle:hover { transform: translateY(-1px); color: var(--ink-1); }
/* แสดงไอคอนตาม theme: dark = 🌙, light = ☀️ */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="light"] .theme-toggle .icon-sun  { display: inline; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ---- Toolbar ---- */
.toolbar {
  display: flex; gap: 12px; align-items: center;
  padding: 20px 32px 8px;
  flex-wrap: wrap;
}
.search-box { flex: 1; min-width: 260px; }
.search-box input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--bg-input);
  color: var(--ink-1);
  font-size: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-group select {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--bg-input);
  color: var(--ink-1);
  font-size: 13px;
  cursor: pointer;
}
.filter-group select:focus { outline: none; border-color: var(--accent); }

.btn {
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .1s, background .15s, filter .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary  { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost {
  background: var(--bg-chip);
  color: var(--ink-2);
  border: 1px solid var(--line-strong);
}
.btn.ghost:hover { filter: brightness(1.05); }

/* ---- Table ---- */
.container { padding: 8px 32px 32px; }
.table-wrapper {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: auto;
  max-height: calc(100vh - 250px);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1100px;
}
thead th {
  position: sticky; top: 0;
  background: var(--bg-thead);
  backdrop-filter: blur(8px);
  color: var(--ink-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .6px;
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-strong);
  z-index: 5;
}
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--ink-1);
}
tbody tr { transition: background .12s; }
tbody tr:hover { background: var(--bg-hover); }
.col-no { width: 60px; color: var(--ink-muted); }
.loading { text-align: center; padding: 40px !important; color: var(--ink-3); }

/* เบอร์ - คลิกได้ */
.phone-link {
  color: var(--link);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px dashed var(--link);
  transition: color .1s;
}
.phone-link:hover { color: var(--link-hover); border-bottom-color: var(--link-hover); }

/* badge สำหรับ source */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}
.badge.pko  { background: rgba(16,185,129,.15); color: #059669; border: 1px solid rgba(16,185,129,.3); }
.badge.sim  { background: rgba(99,102,241,.15); color: #4f46e5; border: 1px solid rgba(99,102,241,.3); }
.badge.none { background: var(--bg-chip); color: var(--ink-muted); }
.badge.set  { background: rgba(251,191,36,.18); color: #b45309; border: 1px solid rgba(251,191,36,.35); }

/* dark theme ให้ badge สีข้อความสว่างขึ้น */
[data-theme="dark"] .badge.pko { color: #6ee7b7; }
[data-theme="dark"] .badge.sim { color: #a5b4fc; }
[data-theme="dark"] .badge.set { color: #fcd34d; }

.muted { color: var(--ink-muted); }

.footer-info {
  padding: 12px 8px;
  color: var(--ink-3);
  font-size: 12px;
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(2, 6, 23, .55);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 24px;
}
[data-theme="light"] .modal-backdrop { background: rgba(15, 23, 42, .35); }
.modal-backdrop.hidden { display: none; }
.modal {
  background: var(--bg-modal);
  border: 1px solid var(--line);
  border-radius: 18px;
  width: 100%; max-width: 640px;
  max-height: 90vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-modal);
  animation: modalIn .18s ease-out;
}
@keyframes modalIn {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.modal-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}
.modal-head h2 { font-size: 22px; color: var(--ink-title); }
.close-btn {
  background: none; border: none; color: var(--ink-3);
  font-size: 28px; cursor: pointer; padding: 0 4px;
  line-height: 1;
}
.close-btn:hover { color: var(--ink-1); }
.modal-body { padding: 20px 24px; overflow: auto; }
.info-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px;
}
.info-grid label {
  display: block; font-size: 11px; color: var(--ink-3);
  text-transform: uppercase; letter-spacing: .6px; margin-bottom: 4px;
}
.ro-value {
  font-size: 13px;
  padding: 8px 10px;
  background: var(--bg-chip-2);
  border-radius: 8px;
  border: 1px solid var(--line);
  min-height: 34px;
  word-break: break-word;
  color: var(--ink-1);
}
.modal-body hr {
  border: none; height: 1px;
  background: var(--line);
  margin: 20px 0;
}
.edit-section label {
  display: block; margin: 12px 0 6px;
  font-size: 12px; color: var(--ink-2); font-weight: 600;
}
.edit-section input, .edit-section textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--bg-input);
  color: var(--ink-1);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}
.edit-section input:focus, .edit-section textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.modal-foot {
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  display: flex; gap: 10px; justify-content: flex-end;
}

/* history */
.history-box { margin-top: 20px; }
.history-box summary {
  cursor: pointer;
  color: var(--ink-2);
  font-weight: 600;
  padding: 8px 0;
}
.hist-list {
  margin-top: 8px;
  max-height: 200px; overflow: auto;
  padding: 8px 12px;
  background: var(--bg-hist);
  border-radius: 10px;
  font-size: 12px;
}
.hist-entry {
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--ink-1);
}
.hist-entry:last-child { border-bottom: none; }
.hist-entry .meta { color: var(--ink-3); font-size: 11px; }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--success); color: #fff;
  padding: 12px 20px; border-radius: 12px;
  font-weight: 600;
  box-shadow: 0 12px 32px var(--success-glow);
  z-index: 200;
  animation: toastIn .2s;
}
.toast.error { background: var(--danger); box-shadow: 0 12px 32px var(--danger-glow); }
.toast.hidden { display: none; }
@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Responsive */
@media (max-width: 720px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 16px; }
  .container { padding: 8px 16px 32px; }
  .toolbar { padding: 16px; }
  .info-grid { grid-template-columns: 1fr; }
}
