/* ============================================================
   MC Gradient — src/style.css
   Liquid Glass Design System
   ============================================================ */

:root {
  /* Brand Colors */
  --primary: #00D4FF;
  --primary-glow: rgba(0, 212, 255, 0.4);
  --secondary: #7C3AED;
  --accent: #A855F7;
  --danger: #ff4757;
  --success: #2ed573;

  /* Dark Theme Tokens */
  --bg-dark: #06060c;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text-1: #f2f2ff;
  --text-2: rgba(242, 242, 255, 0.65);
  --text-3: rgba(242, 242, 255, 0.4);

  /* Spacing & Radius */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;

  /* Animation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-med: 300ms;
}

[data-theme="light"] {
  --bg-dark: #f6f6ff;
  --bg-card: rgba(0, 0, 0, 0.03);
  --bg-card-hover: rgba(0, 0, 0, 0.05);
  --border: rgba(0, 0, 0, 0.1);
  --border-hover: rgba(0, 0, 0, 0.15);
  --text-1: #0f0f2d;
  --text-2: rgba(15, 15, 45, 0.65);
  --text-3: rgba(15, 15, 45, 0.4);
}

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

html {
  font-family: 'Inter', sans-serif;
  color-scheme: dark;
}

body {
  background: var(--bg-dark);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Skip link logic - hidden unless focused */
.skip-link {
  position: fixed;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #000;
  padding: 10px 20px;
  z-index: 10000;
  border-radius: 0 0 10px 10px;
  font-weight: bold;
  text-decoration: none;
  transition: top 0.3s var(--ease-out);
}

.skip-link:focus {
  top: 0;
}

.minecraft-font {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 1px;
  text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.4);
}

/* ── Typography ──────────────────────────────────────────── */
h1,
h2,
h3,
h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}

/* ── Layout ─────────────────────────────────────────────── */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-4);
  width: 100%;
  flex: 1;
}

.navbar {
  height: 70px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-1);
}

.logo-accent {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-actions {
  display: flex;
  gap: var(--sp-4);
}

.nav-back {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: all var(--dur-med);
}

.nav-back:hover {
  background: var(--bg-card-hover);
  color: var(--text-1);
  border-color: var(--border-hover);
}

/* ── Components & UI Elements ────────────────────────────── */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  height: 100%;
  transition: transform 0.3s var(--ease-out), border-color 0.3s;
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
  gap: var(--sp-3);
}

.header-main {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.header-icon {
  font-size: 1.2rem;
  color: var(--primary);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

/* ── Hero Section (Input & Preview) ────────────────────────── */
.hero-section {
  margin-bottom: var(--sp-8);
}

.input-card .input-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
  min-height: 160px;
}

#text-input {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  color: var(--text-1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  resize: none;
  outline: none;
  transition: border-color var(--dur-med);
}

#text-input:focus {
  border-color: var(--primary);
}

.preview-area {
  position: relative;
  background: #111;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--sp-6);
}

.preview-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
}

#text-preview {
  position: relative;
  z-index: 1;
  font-size: 2rem;
  word-break: break-all;
  text-align: center;
}

/* ── Toolbar ─────────────────────────────────────────────── */
.format-toolbar {
  display: flex;
  gap: var(--sp-2);
  background: rgba(255, 255, 255, 0.05);
  padding: var(--sp-1);
  border-radius: var(--r-md);
}

.format-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.format-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-1);
}

.format-btn.active {
  background: var(--primary);
  color: #000;
}

.format-btn.btn--danger:hover {
  background: var(--danger);
  color: #fff;
}

/* ── Grid Layout V2 ──────────────────────────────────────── */
.controls-grid-v2 {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--sp-6);
}

.control-col {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

/* ── Color Controls ──────────────────────────────────────── */
.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.control-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
}

.num-input {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}

.num-btn {
  width: 40px;
  background: transparent;
  border: none;
  color: var(--text-1);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s;
}

.num-btn:hover {
  background: var(--bg-card-hover);
}

.num-input input {
  flex: 1;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  color: var(--text-1);
  text-align: center;
  font-family: inherit;
  font-weight: 600;
}

/* ── Color List ─────────────────────────────────────────── */
.color-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--sp-2) var(--sp-3);
  transition: background 0.2s;
}

.sidebar-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.color-preview {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  flex-shrink: 0;
}

.sidebar-picker {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.hex-input-v2 {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  padding: 0;
  outline: none;
  width: 80px;
}

.pos-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  min-width: 45px;
  text-align: center;
}

.remove-color {
  background: transparent;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  padding: var(--sp-1);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}

.remove-color:hover {
  color: var(--danger);
}

.remove-color:disabled {
  opacity: 0;
  pointer-events: none;
}

/* ── Output Styles ───────────────────────────────────────── */
.output-code {
  background: #000;
  color: #fff;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 80px;
}

.copy-btn-main {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--primary);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #000;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--primary-glow);
  transition: transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Theme Toggle ───────────────────────────────────────── */
.theme-toggle {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon {
  display: none;
}

[data-theme="light"] .icon-sun {
  display: block;
}

/* ── Presets & Chips ─────────────────────────────────────── */
.p-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.2s;
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.section-hint {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: var(--sp-4);
  margin-bottom: var(--sp-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Inputs & Selects ────────────────────────────────────── */
.glass-select,
.glass-input {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 10px 14px;
  color: var(--text-1);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

/* ── Region Track (The unique "scroll" region) ──────────────── */
.region-track-container {
  margin: var(--sp-6) 0;
  padding: var(--sp-2) 0;
}

.region-track {
  position: relative;
  height: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: crosshair;
  margin: 10px 0;
}

.region-handle {
  position: absolute;
  top: 50%;
  width: 22px;
  height: 22px;
  background: #fff;
  border: 2px solid #fff;
  border-radius: 4px;
  /* Boxy look */
  transform: translate(-50%, -50%);
  cursor: grab;
  z-index: 10;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
  transition: transform 0.15s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.region-handle:hover {
  transform: translate(-50%, -50%) scale(1.15);
  border-color: #fff;
}

.handle-picker {
  position: absolute;
  inset: -5px;
  width: calc(100% + 10px);
  height: calc(100% + 10px);
  padding: 0;
  margin: 0;
  border: none;
  cursor: pointer;
  opacity: 0;
  /* Hidden but clickable */
}

.region-handle:active {
  cursor: grabbing;
}

.pos-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-2);
  min-width: 40px;
}

.output-box-container {
  position: relative;
  margin-top: var(--sp-3);
}

/* ── Toast ───────────────────────────────────────────────── */
.toast-region {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  pointer-events: none;
}

.toast {
  background: #222;
  border: 1px solid var(--border);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--r-md);
  animation: toastIn 0.3s var(--ease-out) forwards;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  padding: var(--sp-8) var(--sp-4);
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .controls-grid-v2 {
    grid-template-columns: 1fr;
  }

  .input-card .input-wrap {
    grid-template-columns: 1fr;
  }
}