/* ═══════════════════════════════════════════════════════════════════════════
   IMDAA Converter — TUI Console Theme
   Terminal User Interface · Monospace · Retro-Modern
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

:root {
  /* ── TUI Color Palette ──────────────────────────────────────── */
  --bg:         #0a0a0a;
  --bg-2:       #111111;
  --surface:    #141414;
  --surface-2:  #1a1a1a;

  --fg:         #d4d4d4;         /* off-white */
  --fg-dim:     #808080;         /* grey */
  --fg-dark:    #555555;         /* dark grey */
  --border:     #333333;
  --border-hi:  #555555;

  --green:      #4ec94e;
  --green-dim:  #2a7a2a;
  --red:        #e05555;
  --red-dim:    #802020;
  --yellow:     #e0c050;
  --yellow-dim: #806820;
  --blue:       #5599dd;
  --blue-dim:   #2a5580;
  --cyan:       #50c8c8;
  --magenta:    #bb66cc;

  --accent:     var(--green);
  --accent-dim: var(--green-dim);
  --error:      var(--red);
  --warn:       var(--yellow);
  --success:    var(--green);
  --info:       var(--blue);

  /* ── Spacing ────────────────────────────────────────────────── */
  --gap:   16px;
  --r:     0px;               /* no border radius — TUI is sharp */

  --t: 0.15s ease;
}

/* ── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 14px; }

body {
  font-family: 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

h1, h2, h3, .nav-brand {
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-weight: 700;
  letter-spacing: 0px;
}

/* Subtle CRT scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 99999;
}

::selection {
  background: var(--green);
  color: #000;
}

/* Cursor blink animation */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@keyframes typeIn {
  from { width: 0; }
  to   { width: 100%; }
}

/* ── Layout ────────────────────────────────────────────────────────────── */
.app-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px 100px;
  position: relative;
  z-index: 10;
}

.page-content { display: none; }
.page-content.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Auth Overlay ──────────────────────────────────────────────────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.auth-overlay.show { opacity: 1; pointer-events: all; }

.auth-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 32px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  position: relative;
}

/* TUI box title */
.auth-card::before {
  content: '┤ LOGIN ├';
  position: absolute;
  top: -1px;
  left: 16px;
  background: var(--bg);
  padding: 0 8px;
  color: var(--yellow);
  font-size: 0.85rem;
  font-weight: 700;
  transform: translateY(-50%);
}

.auth-card h2 {
  color: var(--fg);
  font-size: 1rem;
  margin-bottom: 4px;
}

.auth-card p, .auth-card #authSub {
  color: var(--fg-dim);
  font-size: 0.8rem;
}

.auth-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.auth-fields input {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 14px;
  color: var(--fg);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  outline: none;
  transition: var(--t);
  font-size: 0.85rem;
}

.auth-fields input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green-dim);
}

.auth-fields input::placeholder { color: var(--fg-dark); }

.auth-toggle { margin-top: 16px; font-size: 0.78rem; color: var(--fg-dim); }
.auth-toggle a { color: var(--cyan); text-decoration: none; }
.auth-toggle a:hover { text-decoration: underline; }

/* ── Navigation ────────────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
}

.nav-container {
  max-width: 960px;
  margin: 0 auto;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 1rem;
  font-weight: 800;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links {
  display: flex;
  gap: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--fg-dim);
  padding: 8px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--t);
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid transparent;
  position: relative;
}

.nav-link:hover {
  color: var(--fg);
  background: var(--surface);
}

.nav-link.active {
  color: #000;
  background: var(--fg);
  border-color: var(--fg);
}

.nav-link.active span { filter: grayscale(1) brightness(0); }

/* Mobile Bottom Nav */
@media (max-width: 768px) {
  .navbar {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    border-top: 1px solid var(--border);
    border-bottom: none;
    padding: 0;
    height: 52px;
    border-radius: 0;
  }
  .nav-container { height: 100%; justify-content: center; }
  .nav-brand { display: none; }
  .nav-link {
    flex-direction: column;
    gap: 1px;
    font-size: 0.6rem;
    padding: 6px 10px;
  }
  .nav-link span { font-size: 1rem; }
  .app-wrap { padding-top: 12px; padding-bottom: 72px; }
}

/* ── TUI Cards (Box-Drawing) ───────────────────────────────────────────── */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 20px;
  transition: var(--t);
  overflow: visible;
  position: relative;
}

.card:hover {
  border-color: var(--border-hi);
}

.card + .card { margin-top: 12px; }

/* Header Card */
.card.header {
  border-color: var(--green-dim);
  border-left: 3px solid var(--green);
}

.card.header h1 {
  font-size: 1.2rem;
  color: var(--green);
  margin-bottom: 2px;
}

.card.header h1::before {
  content: '> ';
  color: var(--fg-dim);
}

.card.header p {
  color: var(--fg-dim);
  font-size: 0.78rem;
}

.card.header p::before {
  content: '# ';
  color: var(--fg-dark);
}

/* ── Drop Zone (TUI Style) ────────────────────────────────────────────── */
.drop-zone {
  border: 1px dashed var(--border-hi);
  background: var(--surface);
  padding: 40px 24px;
  text-align: center;
  transition: var(--t);
  cursor: pointer;
}

.drop-zone:hover {
  border-color: var(--green);
  background: rgba(78, 201, 78, 0.03);
}

.drop-zone.drag-over {
  border-color: var(--cyan);
  background: rgba(80, 200, 200, 0.05);
  border-style: solid;
}

.dz-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 12px;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  padding: 8px 20px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  transition: var(--t);
  border: 1px solid;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--fg);
  color: #000;
  border-color: var(--fg);
}

.btn-primary:hover {
  background: #fff;
  border-color: #fff;
}

.btn-primary:active {
  background: var(--fg-dim);
}

.btn-primary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  padding: 8px 18px;
  font-weight: 600;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--t);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.btn-ghost:hover {
  border-color: var(--fg-dim);
  color: var(--fg);
  background: var(--surface);
}

.btn-icon {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-dim);
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--t);
  padding: 0;
}

.btn-icon:hover {
  background: var(--surface);
  color: var(--fg);
  border-color: var(--border-hi);
}

.btn-icon.cancel {
  border-color: var(--red-dim);
  color: var(--red);
}
.btn-icon.cancel:hover {
  background: rgba(224, 85, 85, 0.08);
  border-color: var(--red);
}

/* ── Step Labels ───────────────────────────────────────────────────────── */
.step-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.step-num {
  width: 36px;
  height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: var(--yellow);
  flex-shrink: 0;
}

.step-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--fg);
}

.step-title::before {
  content: '── ';
  color: var(--fg-dark);
}

.step-sub {
  font-size: 0.75rem;
  color: var(--fg-dim);
  margin-top: 1px;
}

/* ── Tables ────────────────────────────────────────────────────────────── */
.table-wrap {
  overflow: hidden;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  background: var(--surface);
  padding: 10px 14px;
  text-align: left;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--yellow);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 10px 14px;
  border-top: 1px solid rgba(255,255,255,0.03);
  font-size: 0.8rem;
}

tr:hover td { background: var(--surface); }

/* ── Progress Bar ──────────────────────────────────────────────────────── */
.prog-bar-bg {
  height: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}

.prog-bar-fill {
  background: var(--green);
  height: 100%;
  transition: width 0.4s ease;
  box-shadow: 0 0 6px var(--green-dim);
}

/* Block-style fill (TUI look) */
.prog-bar-fill {
  background: repeating-linear-gradient(
    90deg,
    var(--green) 0px,
    var(--green) 6px,
    var(--green-dim) 6px,
    var(--green-dim) 8px
  );
}

/* ── Mode Toggle ───────────────────────────────────────────────────────── */
.mode-toggle {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}

.mode-btn {
  padding: 5px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg-dim);
  cursor: pointer;
  transition: var(--t);
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.mode-btn:hover { border-color: var(--border-hi); color: var(--fg); }

.mode-btn.active {
  background: var(--fg);
  color: #000;
  border-color: var(--fg);
}

/* ── Variant Chips ─────────────────────────────────────────────────────── */
.variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 6px;
  margin-top: 12px;
}

.variant-chip {
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: var(--t);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-dim);
}

.variant-chip:hover {
  border-color: var(--border-hi);
  color: var(--fg);
}

.variant-chip.selected {
  background: rgba(78, 201, 78, 0.06);
  border-color: var(--green-dim);
  color: var(--green);
}

.variant-chip .vc-check {
  margin-left: auto;
  opacity: 0;
  transition: opacity 0.15s;
  color: var(--green);
}

.variant-chip.selected .vc-check { opacity: 1; }
.variant-chip .vc-icon { font-size: 0.9rem; }
.sel-count { font-size: 0.75rem; color: var(--fg-dim); font-weight: 600; }

/* ── Job List (Requests Dashboard) ─────────────────────────────────────── */
.job-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

@media (min-width: 900px) {
  .job-list { grid-template-columns: 1fr 1fr; }
}

.job-item {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--t);
  position: relative;
}

.job-item:hover {
  border-color: var(--border-hi);
}

.job-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.job-icon {
  width: 40px; height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.job-title {
  flex: 1;
  font-weight: 700;
  color: var(--fg);
  font-size: 0.85rem;
}

.job-controls {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

/* ── Badges ────────────────────────────────────────────────────────────── */
.badge {
  padding: 1px 8px;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.8px;
  display: inline-block;
  border: 1px solid;
}

.badge-blue   { border-color: var(--blue-dim); color: var(--blue); background: rgba(85, 153, 221, 0.06); }
.badge-green  { border-color: var(--green-dim); color: var(--green); background: rgba(78, 201, 78, 0.06); }
.badge-orange { border-color: var(--yellow-dim); color: var(--yellow); background: rgba(224, 192, 80, 0.06); }
.badge-red    { border-color: var(--red-dim); color: var(--red); background: rgba(224, 85, 85, 0.06); }

.col-badge {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.62rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  margin: 1px 2px;
}

/* ── Track Banner ──────────────────────────────────────────────────────── */
.track-banner {
  background: var(--surface);
  border: 1px solid var(--green-dim);
  border-left: 3px solid var(--green);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: var(--t);
  margin-top: 12px;
}

.track-banner:hover {
  border-color: var(--green);
  background: rgba(78, 201, 78, 0.03);
}

.track-banner .track-info { flex: 1; }
.track-banner .track-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--green);
}
.track-banner .track-title::before {
  content: '▶ ';
  animation: blink 1s infinite;
}
.track-banner .track-sub {
  font-size: 0.72rem;
  color: var(--fg-dim);
}
.track-banner .track-arrow {
  font-size: 1.2rem;
  color: var(--green);
  transition: transform 0.2s ease;
  font-weight: 700;
}
.track-banner:hover .track-arrow { transform: translateX(4px); }

/* ── File Manager ──────────────────────────────────────────────────────── */
.fm-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.fm-tab {
  flex: 1;
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
  color: var(--fg-dim);
  cursor: pointer;
  transition: var(--t);
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.fm-tab:hover {
  color: var(--fg);
  background: var(--surface);
}

.fm-tab.active {
  color: var(--green);
  border-bottom-color: var(--green);
  background: var(--surface);
}

.file-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}
@media (min-width: 700px) {
  .file-grid { grid-template-columns: 1fr 1fr; }
}

.file-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--t);
}

.file-card:hover {
  border-color: var(--border-hi);
  background: var(--surface);
}

.file-card .fc-icon {
  width: 38px; height: 38px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.file-card .fc-meta { flex: 1; overflow: hidden; }
.file-card .fc-meta .fc-name {
  font-weight: 700;
  color: var(--fg);
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-card .fc-meta .fc-detail {
  font-size: 0.65rem;
  color: var(--fg-dim);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.file-card .fc-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.fm-empty {
  padding: 40px;
  text-align: center;
  color: var(--fg-dark);
  font-size: 0.8rem;
  border: 1px dashed var(--border);
}
.fm-empty .fm-empty-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

/* ── Toasts ────────────────────────────────────────────────────────────── */
.toast-wrap {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toast {
  background: var(--surface);
  padding: 10px 16px;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--fg);
  animation: toastSlide 0.3s ease;
  transition: opacity 0.3s ease;
  max-width: 340px;
  line-height: 1.5;
}

.toast::before {
  content: '> ';
  color: var(--fg-dark);
}

@keyframes toastSlide {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Spinner ───────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--fg-dark);
  border-top-color: var(--fg);
  border-radius: 50%;
  animation: spin 0.5s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Conversion Started ────────────────────────────────────────────────── */
.conversion-started {
  animation: termFlash 0.4s ease;
}

@keyframes termFlash {
  0% { opacity: 0; }
  30% { opacity: 1; }
  100% { opacity: 1; }
}

/* ── Scrollbar ─────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border);
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-hi); }

/* ── Utilities ─────────────────────────────────────────────────────────── */
.hidden { display: none !important; }

.peek-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.header-main { flex: 1; }

.card.header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

/* File chosen for unit converter */
.file-chosen {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 12px 16px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fc-clear, .file-chosen .fc-clear {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 4px;
  transition: var(--t);
}
.fc-clear:hover { color: #ff6666; }

/* Prompt prefix for active elements */
.drop-zone::after {
  content: '';
  display: block;
  font-size: 0.72rem;
  color: var(--fg-dark);
  margin-top: 8px;
}

/* Logo icon */
.logo-icon {
  font-size: 2rem;
}

/* ── Override for TUI "feel" on specific elements ──────────────────────── */
.quota-section,
#fmQuotaSection {
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
}

/* Account page styling */
#pageAccount .card {
  border-color: var(--border);
}
#pageAccount h2 {
  color: var(--cyan);
  font-size: 0.95rem;
}

/* About page */
#pageAbout .nav-brand {
  font-size: 1.5rem;
  color: var(--green);
}