/* ═══════════════════════════════════════════════════════════════════
   ROADMAP WEB APP — PIXEL GAME THEME (NABIILA EDITION)
   by Ilyasa Ramadhany — Customized for Nabiila
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&family=Share+Tech+Mono&display=swap');

/* ─── CSS Variables ────────────────────────────────────────────────── */
:root {
  /* Dark Mode (default) - Biru Muda & Pink Neon Theme */
  --bg-primary:     #0a0d15;
  --bg-secondary:   #0f1420;
  --bg-card:        #121828;
  --bg-card-hover:  #1a2030;
  --bg-input:       #0d111c;
  --bg-modal:       #121828;

  --color-primary:  #ff00ff;
  --color-primary-dim: #cc00cc;
  --color-secondary:#00d4ff;
  --color-secondary-dim: #00a0cc;
  --color-accent:   #ff66ff;
  --color-danger:   #ff1493;
  --color-warning:  #ffcc00;
  --color-muted:    #2a3550;

  --text-primary:   #e0f0ff;
  --text-secondary: #88c0ff;
  --text-dim:       #4a6090;

  --border-color:   #ff00ff;
  --border-focus:   #ff66ff;
  --shadow-pixel:   4px 4px 0px #660066;
  --shadow-glow:    0 0 12px rgba(255, 0, 255, 0.4);
  --shadow-glow-blue: 0 0 12px rgba(0, 212, 255, 0.4);

  --progress-bg:    #1a2030;
  --progress-fill:  #ff00ff;
  --progress-seg:   var(--bg-primary);

  --scanline-color: rgba(0, 0, 0, 0.15);

  --transition: 0.15s ease;
  --radius: 0px; /* pixel = no border radius */
}

[data-theme="light"] {
  --bg-primary:     #f0f8ff;
  --bg-secondary:   #e0f0ff;
  --bg-card:        #fff0ff;
  --bg-card-hover:  #ffe8ff;
  --bg-input:       #fafcff;
  --bg-modal:       #fff5ff;

  --color-primary:  #ff00cc;
  --color-primary-dim: #cc0099;
  --color-secondary:#0099ff;
  --color-secondary-dim: #0066cc;
  --color-accent:   #ff66ff;
  --color-danger:   #ff1493;
  --color-warning:  #ff9900;
  --color-muted:    #d0d8ff;

  --text-primary:   #1a1a2e;
  --text-secondary: #4a5080;
  --text-dim:       #8890b0;

  --border-color:   #ff00cc;
  --border-focus:   #ff66ff;
  --shadow-pixel:   4px 4px 0px #660066;
  --shadow-glow:    0 0 8px rgba(255, 0, 204, 0.3);
  --shadow-glow-blue: 0 0 8px rgba(0, 153, 255, 0.3);

  --progress-bg:    #e0e8ff;
  --progress-fill:  #ff00cc;

  --scanline-color: rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: 'VT323', 'Share Tech Mono', monospace;
  font-size: 18px;
  background: linear-gradient(135deg, #0a0d15 0%, #1a1428 50%, #0f1420 100%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

/* ─── Scanlines ──────────────────────────────────────────────────────── */
.scanlines {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline-color) 0px,
    var(--scanline-color) 1px,
    transparent 1px,
    transparent 4px
  );
}

/* ─── Scrollbar ──────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border: 2px solid var(--bg-secondary);
}
::-webkit-scrollbar-thumb:hover { 
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-secondary) 100%);
}

/* ─── Typography ─────────────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: 'Press Start 2P', cursive; line-height: 1.4; }

/* ─── Pixel Border Utility ───────────────────────────────────────────── */
.pixel-box {
  border: 3px solid var(--border-color);
  box-shadow: var(--shadow-pixel), var(--shadow-glow);
}

/* ═══════════════════════════════════════════════════════════════════
   LOGIN PAGE
   ═══════════════════════════════════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(255, 0, 255, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(0, 212, 255, 0.12) 0%, transparent 50%),
    var(--bg-primary);
}

.login-container {
  width: 100%;
  max-width: 440px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  font-family: 'Press Start 2P', cursive;
  font-size: clamp(0.7rem, 3vw, 1.1rem);
  color: var(--color-primary);
  text-shadow: 0 0 20px var(--color-primary), 0 0 40px rgba(0, 255, 136, 0.3);
  animation: flicker 8s infinite;
  display: block;
  margin-bottom: 12px;
}

.login-sub {
  font-family: 'VT323', monospace;
  font-size: 1.1rem;
  color: var(--text-secondary);
  letter-spacing: 3px;
}

.login-card {
  background: var(--bg-card);
  border: 3px solid var(--color-primary);
  box-shadow: var(--shadow-pixel), var(--shadow-glow);
  padding: 36px 32px;
}

.login-card-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  color: var(--color-secondary);
  letter-spacing: 2px;
  text-align: center;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.pixel-input {
  width: 100%;
  background: var(--bg-input);
  border: 3px solid var(--border-color);
  color: var(--text-primary);
  font-family: 'VT323', monospace;
  font-size: 1.2rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  caret-color: var(--color-primary);
}

.pixel-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2), var(--shadow-glow);
}

.pixel-input::placeholder { color: var(--text-dim); }

.login-error {
  background: rgba(255, 51, 85, 0.15);
  border: 2px solid var(--color-danger);
  color: var(--color-danger);
  font-family: 'Press Start 2P', cursive;
  font-size: 0.4rem;
  padding: 10px 14px;
  margin-bottom: 20px;
  animation: shake 0.4s ease;
  display: none;
  line-height: 1.8;
}
.login-error.visible { display: block; }

.login-btn {
  width: 100%;
  background: var(--color-primary);
  border: 3px solid var(--color-primary);
  color: #fff;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.55rem;
  padding: 14px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: var(--shadow-pixel);
  transition: all var(--transition);
  margin-top: 8px;
}
.login-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #660066;
  background: var(--color-accent);
}
.login-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #660066;
}

.login-footer {
  text-align: center;
  margin-top: 20px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.35rem;
  color: var(--text-dim);
}

.blink {
  animation: blink 1s step-end infinite;
}

/* ═══════════════════════════════════════════════════════════════════
   DASHBOARD — HEADER
   ═══════════════════════════════════════════════════════════════════ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 3px solid var(--border-color);
  box-shadow: 0 4px 0 var(--shadow-pixel), var(--shadow-glow);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.header-brand:hover {
  transform: scale(1.02);
}

.header-avatar {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 0; /* Keep it pixelated/square */
}

.header-titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-title {
  font-family: 'Press Start 2P', cursive;
  font-size: clamp(0.45rem, 2vw, 0.65rem);
  color: var(--color-primary);
  text-shadow: 0 0 10px var(--color-primary);
  animation: flicker 10s infinite;
  white-space: nowrap;
}

.app-version {
  font-family: 'VT323', monospace;
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 2px;
}

.header-progress {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.progress-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.38rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

.progress-percent-text {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--color-primary);
  text-shadow: 0 0 6px var(--color-primary);
}

/* ─── Pixel Progress Bar ─────────────────────────────────────────── */
.pixel-progress {
  height: 18px;
  background: var(--progress-bg);
  border: 2px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.pixel-progress-fill {
  height: 100%;
  background: var(--progress-fill);
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 9px,
    var(--progress-seg) 9px,
    var(--progress-seg) 11px
  );
  box-shadow: 0 0 10px var(--color-primary);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.pixel-progress-fill::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 3px; height: 100%;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
  animation: pulse-end 1.5s ease-in-out infinite;
}

.pixel-progress.sm { height: 12px; }
.pixel-progress.sm .pixel-progress-fill {
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 6px,
    var(--progress-seg) 6px,
    var(--progress-seg) 8px
  );
}

.header-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ─── Pixel Buttons ──────────────────────────────────────────────── */
.pixel-btn {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.42rem;
  padding: 8px 12px;
  border: 2px solid var(--border-color);
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  box-shadow: 3px 3px 0px var(--border-color);
  transition: all 0.1s;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  line-height: 1;
}
.pixel-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--border-color);
  background: rgba(0, 255, 136, 0.08);
  color: var(--color-accent);
}
.pixel-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--border-color);
}
.pixel-btn.primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 3px 3px 0px #660066;
}
.pixel-btn.primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.pixel-btn.blue {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  box-shadow: 3px 3px 0px var(--color-secondary-dim);
}
.pixel-btn.blue:hover {
  background: rgba(0, 170, 255, 0.1);
  color: var(--color-accent);
}
.pixel-btn.danger {
  border-color: var(--color-danger);
  color: var(--color-danger);
  box-shadow: 3px 3px 0px #880022;
}
.pixel-btn.danger:hover {
  background: rgba(255, 51, 85, 0.1);
}
.pixel-btn.xs {
  font-size: 0.35rem;
  padding: 5px 8px;
  box-shadow: 2px 2px 0px var(--border-color);
}
.pixel-btn.sm {
  font-size: 0.38rem;
  padding: 7px 10px;
}
.pixel-btn.lg {
  font-size: 0.5rem;
  padding: 12px 20px;
  box-shadow: 4px 4px 0px var(--border-color);
}

/* ═══════════════════════════════════════════════════════════════════
   DASHBOARD — MAIN CONTENT
   ═══════════════════════════════════════════════════════════════════ */
.main-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 32px 0 20px;
}
.section-divider-label {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--color-secondary);
  text-shadow: 0 0 8px var(--color-secondary);
  white-space: nowrap;
  letter-spacing: 2px;
}
.section-divider-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--color-secondary), transparent);
}

/* ─── Phase Card ─────────────────────────────────────────────────── */
.phase-card {
  background: var(--bg-card);
  border: 3px solid var(--border-color);
  box-shadow: var(--shadow-pixel), var(--shadow-glow);
  margin-bottom: 20px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.phase-card:hover {
  box-shadow: 5px 5px 0px #660066, 0 0 20px rgba(255, 0, 255, 0.4);
}

.phase-card.completed {
  border-color: var(--color-primary);
  box-shadow: 4px 4px 0px #660066, 0 0 16px rgba(255, 0, 255, 0.5);
}

.phase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  gap: 12px;
  transition: background-color var(--transition);
}
.phase-header:hover { background: var(--bg-card-hover); }

.phase-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
}

.phase-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  line-height: 1;
}

.phase-info { flex: 1; min-width: 0; }

/* ─── Tech Tags / Badges ────────────────────────────────────────── */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.tech-badge {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.3rem;
  padding: 3px 7px;
  border: 1px solid var(--color-secondary);
  color: var(--color-secondary);
  background: rgba(0, 170, 255, 0.08);
  letter-spacing: 0.5px;
  white-space: nowrap;
  box-shadow: 1px 1px 0px var(--color-secondary-dim);
  transition: all var(--transition);
}

.tech-badge:hover {
  background: rgba(0, 170, 255, 0.18);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.phase-title {
  font-family: 'Press Start 2P', cursive;
  font-size: clamp(0.38rem, 1.5vw, 0.52rem);
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.5;
}

.phase-desc {
  font-family: 'VT323', monospace;
  font-size: 1rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.phase-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.phase-progress-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  min-width: 120px;
}

.phase-count {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.38rem;
  color: var(--color-primary);
}

.phase-toggle {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  color: var(--text-secondary);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.phase-card.open .phase-toggle { transform: rotate(180deg); }

/* ─── Phase Body ─────────────────────────────────────────────────── */
.phase-body {
  border-top: 2px solid var(--border-color);
  padding: 20px;
  display: none;
}
.phase-card.open .phase-body { display: block; }

/* ─── Topic Group ────────────────────────────────────────────────── */
.topic-group {
  margin-bottom: 20px;
}

.category-header {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.38rem;
  color: var(--color-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 0;
  border-bottom: 2px dashed var(--color-muted);
  margin-bottom: 10px;
}

/* ─── Topic Item ─────────────────────────────────────────────────── */
.topic-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 2px solid transparent;
  transition: all var(--transition);
  margin-bottom: 4px;
}
.topic-item:hover {
  background: rgba(0, 255, 136, 0.05);
  border-color: var(--color-muted);
}
.topic-item.checked { opacity: 0.55; }
.topic-item.checked .topic-label { text-decoration: line-through; color: var(--text-dim); }

/* ─── Pixel Checkbox ─────────────────────────────────────────────── */
.pixel-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border: 3px solid var(--border-color);
  background: var(--bg-input);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all var(--transition);
}
.pixel-checkbox:hover { border-color: var(--color-primary); }
.pixel-checkbox:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary), 0 0 20px rgba(255, 0, 255, 0.4);
}
.pixel-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: -4px;
  left: 2px;
  color: var(--bg-primary);
  font-size: 16px;
  font-weight: 900;
  font-family: 'VT323', monospace;
}

.topic-label {
  font-family: 'VT323', monospace;
  font-size: 1.15rem;
  color: var(--text-primary);
  flex: 1;
  cursor: pointer;
  transition: color var(--transition);
}

.topic-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}
.topic-item:hover .topic-actions { opacity: 1; }

.phase-footer {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 2px dashed var(--color-muted);
  flex-wrap: wrap;
}

/* ─── Footer ─────────────────────────────────────────────────────── */
.app-footer {
  text-align: center;
  padding: 40px 20px 20px;
  border-top: 3px solid var(--border-color);
  margin-top: 40px;
  background: var(--bg-secondary);
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-credit {
  font-family: 'VT323', monospace;
  font-size: 1.1rem;
  color: var(--text-dim);
}

.credit-link {
  color: var(--color-primary);
  text-decoration: none;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.4rem;
  padding-left: 6px;
  transition: color 0.2s, text-shadow 0.2s;
}

.credit-link:hover {
  color: var(--color-accent);
  text-shadow: 0 0 10px var(--color-accent);
}

/* ═══════════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════════ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-modal);
  border: 3px solid var(--color-primary);
  box-shadow: 6px 6px 0px #660066, var(--shadow-glow);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(10px);
  transition: transform 0.2s;
}
.modal-backdrop.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 3px solid var(--border-color);
  background: var(--bg-secondary);
}

.modal-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.5rem;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.modal-close {
  background: none;
  border: 2px solid var(--color-danger);
  color: var(--color-danger);
  font-family: 'Press Start 2P', cursive;
  font-size: 0.45rem;
  padding: 4px 8px;
  cursor: pointer;
  box-shadow: 2px 2px 0px #880022;
  transition: all var(--transition);
}
.modal-close:hover {
  background: var(--color-danger);
  color: #000;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px #880022;
}

.modal-body { padding: 24px 20px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 20px;
  border-top: 2px solid var(--border-color);
}

/* Form Elements in Modal */
.modal .form-group { margin-bottom: 18px; }
.modal .form-label {
  display: block;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.38rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.modal .pixel-input { font-size: 1.1rem; }

.pixel-select {
  width: 100%;
  background: var(--bg-input);
  border: 3px solid var(--border-color);
  color: var(--text-primary);
  font-family: 'VT323', monospace;
  font-size: 1.1rem;
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
  appearance: none;
}
.pixel-select:focus {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-glow);
}

/* ─── Video List in Modal ─────────────────────────────────────────── */
.video-list { margin-bottom: 20px; }

.video-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  margin-bottom: 8px;
  transition: all var(--transition);
}
.video-item:hover {
  border-color: var(--color-primary);
  background: var(--bg-card-hover);
}

.video-thumb {
  width: 36px;
  height: 36px;
  background: #ff0000;
  border: 2px solid #cc0000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  color: #fff;
}

.video-info { flex: 1; min-width: 0; }
.video-title {
  font-family: 'VT323', monospace;
  font-size: 1rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.video-url {
  font-family: 'VT323', monospace;
  font-size: 0.85rem;
  color: var(--color-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.video-empty {
  text-align: center;
  padding: 24px;
  color: var(--text-dim);
  font-family: 'Press Start 2P', cursive;
  font-size: 0.4rem;
  line-height: 2;
  border: 2px dashed var(--color-muted);
}

/* ─── Add Video Form ─────────────────────────────────────────────── */
.add-video-form {
  border: 2px dashed var(--border-color);
  padding: 16px;
  background: var(--bg-secondary);
}

.add-video-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 0.38rem;
  color: var(--color-secondary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

/* ═══════════════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.toast {
  background: var(--bg-card);
  border: 3px solid var(--color-primary);
  box-shadow: 4px 4px 0px #660066;
  padding: 10px 16px;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.38rem;
  color: var(--color-primary);
  max-width: 280px;
  animation: toast-in 0.3s ease;
  letter-spacing: 1px;
  line-height: 1.8;
}
.toast.error {
  border-color: var(--color-danger);
  color: var(--color-danger);
  box-shadow: 4px 4px 0px #880022;
}
.toast.hiding { animation: toast-out 0.3s ease forwards; }

/* ═══════════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════════ */
@keyframes flicker {
  0%, 90%, 100% { opacity: 1; text-shadow: 0 0 10px var(--color-primary); }
  91%           { opacity: 0.85; text-shadow: none; }
  92%           { opacity: 1; text-shadow: 0 0 10px var(--color-primary); }
  93%           { opacity: 0.7; text-shadow: none; }
  94%           { opacity: 1; text-shadow: 0 0 10px var(--color-primary); }
}

@keyframes blink {
  50% { opacity: 0; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

@keyframes pulse-end {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

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

@keyframes toast-out {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(120%); opacity: 0; }
}

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

/* ─── Loading spinner ────────────────────────────────────────────── */
.loading {
  display: inline-block;
  width: 16px; height: 16px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

/* ─── Reordering Buttons ─────────────────────────────────────────── */
.phase-reorder {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.reorder-phase-btn, .reorder-topic-btn {
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .topic-actions {
    opacity: 1 !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .app-header { padding: 10px 14px; gap: 10px; }
  .header-progress { display: none; }
  .header-controls { gap: 6px; }
  .pixel-btn { font-size: 0.35rem; padding: 6px 8px; }

  .phase-header { padding: 12px 14px; }
  .phase-icon  { font-size: 1.2rem; }
  .phase-desc  { display: none; }
  .phase-progress-wrap { min-width: 80px; }

  .phase-body { padding: 14px; }
  .main-content { padding: 16px 12px 60px; }

  .modal { max-width: 100%; }
  .toast { font-size: 0.32rem; max-width: 220px; }
  .toast-container { right: 12px; bottom: 12px; }
}

@media (max-width: 400px) {
  .phase-header-left { gap: 8px; }
  .phase-meta { gap: 6px; }
}

/* ─── Utility ────────────────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.hidden { display: none !important; }
.w-full { width: 100%; }