/* ═══════════════════════════════════════════════
   RedditGacha — Main Styles
   Reddit-inspired clean design
═══════════════════════════════════════════════ */

:root {
  --reddit-orange:    #FF4500;
  --reddit-orange-dk: #CC3700;
  --reddit-blue:      #0079D3;
  --reddit-blue-lt:   #24A0ED;
  --bg-page:          #DAE0E6;
  --bg-surface:       #FFFFFF;
  --bg-surface2:      #F6F7F8;
  --bg-surface3:      #EDEFF1;
  --border:           #EDEFF1;
  --border-dk:        #C8CBCD;
  --text-primary:     #1C1C1B;
  --text-secondary:   #878A8C;
  --text-meta:        #A8AAAB;
  --radius-sm:        4px;
  --radius-md:        8px;
  --radius-lg:        12px;
  --radius-xl:        16px;
  --shadow-sm:        0 1px 3px rgba(0,0,0,.12);
  --shadow-md:        0 2px 8px rgba(0,0,0,.14);
  --shadow-lg:        0 4px 20px rgba(0,0,0,.18);
  --font:             'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition:       0.18s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--reddit-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  background: none;
}

/* ─── Header ─────────────────────────────────── */

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--reddit-orange);
  letter-spacing: -0.3px;
}

/* ─── Nav ─────────────────────────────────────── */

.main-nav {
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav-btn {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-btn .nav-icon { margin-right: 4px; font-size: 13px; }

.nav-btn:hover { background: var(--bg-surface3); color: var(--text-primary); }

.nav-btn.active {
  background: var(--reddit-orange);
  color: #fff;
}

/* ─── Pack Counter (header) ──────────────────── */

.pack-counter {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  min-width: 130px;
}

.pack-counter-main {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.pack-counter-icon { font-size: 18px; }
.pack-counter-max  { font-size: 13px; color: var(--text-secondary); font-weight: 400; }

.pack-timer-bar {
  width: 100%;
  height: 3px;
  background: var(--bg-surface3);
  border-radius: 2px;
  overflow: hidden;
}

.pack-timer-fill {
  height: 100%;
  background: var(--reddit-orange);
  border-radius: 2px;
  width: 0%;
  transition: width 1s linear;
}

.pack-timer-label {
  font-size: 11px;
  color: var(--text-secondary);
}

/* ─── Main Layout ────────────────────────────── */

#app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
}

.view { display: none; }
.view.active { display: block; }

.view-enter {
  animation: viewEnter 0.3s cubic-bezier(.23,1,.32,1) both;
}

@keyframes viewEnter {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Buttons ────────────────────────────────── */

.btn-primary {
  background: var(--reddit-orange);
  color: #fff;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 20px;
  font-size: 15px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(255,69,0,.35);
}

.btn-primary:hover:not(:disabled) {
  background: var(--reddit-orange-dk);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255,69,0,.45);
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-surface3);
  color: var(--text-primary);
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 20px;
  font-size: 14px;
  border: 1px solid var(--border-dk);
  transition: background var(--transition);
}

.btn-secondary:hover { background: var(--border); }

/* ─── Pill / Badge ───────────────────────────── */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* ─── Toast ──────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--text-primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(12px);
  animation: toastIn 0.25s ease forwards, toastOut 0.25s ease 2.5s forwards;
}

@keyframes toastIn  { to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(12px); } }

/* ─── Modal ──────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.15s ease;
}

.modal-overlay.hidden { display: none; }

.modal-content {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 600px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s ease;
}

.modal-content--reddit {
  max-width: 860px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dk) transparent;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 18px;
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.modal-close:hover { background: var(--bg-surface3); }

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ─── Helpers ────────────────────────────────── */

.hidden { display: none !important; }

/* ─── Footer ─────────────────────────────────── */

.app-footer {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-meta);
  font-size: 11px;
  max-width: 800px;
  margin: 0 auto;
}

/* ─── Responsive ─────────────────────────────── */

@media (max-width: 680px) {
  .header-inner { gap: 12px; }
  .main-nav .nav-btn .nav-icon { display: none; }
  .nav-btn { padding: 6px 10px; font-size: 13px; }
  .logo-text { display: none; }
}

/* ─── Accessibility: reduced motion ──────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}