/* ============================================================
   AMOR — Design System Base
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Colors - Dark Mode (default) */
  --color-bg:            #0D0A14;
  --color-bg-2:          #130F1E;
  --color-surface:       rgba(255, 255, 255, 0.06);
  --color-surface-hover: rgba(255, 255, 255, 0.10);
  --color-border:        rgba(255, 255, 255, 0.10);
  --color-border-strong: rgba(255, 107, 157, 0.30);

  --color-primary:       #FF6B9D;
  --color-primary-light: #FF8FB8;
  --color-primary-dark:  #E8527A;
  --color-secondary:     #C084FC;
  --color-accent:        #FF8C69;
  --color-gold:          #FFD700;

  --color-text:          #F0E6F0;
  --color-text-muted:    rgba(240, 230, 240, 0.55);
  --color-text-faint:    rgba(240, 230, 240, 0.30);

  /* Gradients */
  --grad-primary:  linear-gradient(135deg, #FF6B9D 0%, #C084FC 100%);
  --grad-hero:     linear-gradient(160deg, #1A0A2E 0%, #16082A 40%, #0D1440 100%);
  --grad-card:     linear-gradient(135deg, rgba(255,107,157,0.12) 0%, rgba(192,132,252,0.08) 100%);
  --grad-button:   linear-gradient(135deg, #FF6B9D 0%, #C084FC 100%);
  --grad-glow-pk:  radial-gradient(circle at 50% 0%, rgba(255,107,157,0.25) 0%, transparent 70%);
  --grad-glow-pu:  radial-gradient(circle at 80% 100%, rgba(192,132,252,0.20) 0%, transparent 60%);

  /* Glass */
  --glass-bg:      rgba(255, 255, 255, 0.06);
  --glass-border:  rgba(255, 255, 255, 0.12);
  --glass-blur:    16px;

  /* Shadows */
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.30);
  --shadow-md:     0 8px 32px rgba(0,0,0,0.40);
  --shadow-lg:     0 20px 60px rgba(0,0,0,0.50);
  --shadow-glow:   0 0 40px rgba(255,107,157,0.20);
  --shadow-card:   0 8px 32px rgba(0,0,0,0.35), 0 1px 0 rgba(255,255,255,0.05) inset;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Border radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Sidebar */
  --sidebar-width: 72px;
  --sidebar-width-expanded: 220px;
}

/* Light Mode */
[data-theme="light"] {
  --color-bg:            #FFF5F8;
  --color-bg-2:          #FFE8F0;
  --color-surface:       rgba(255, 255, 255, 0.80);
  --color-surface-hover: rgba(255, 255, 255, 0.95);
  --color-border:        rgba(255, 107, 157, 0.15);
  --color-border-strong: rgba(255, 107, 157, 0.40);

  --color-text:          #1A0A2E;
  --color-text-muted:    rgba(26, 10, 46, 0.55);
  --color-text-faint:    rgba(26, 10, 46, 0.30);

  --glass-bg:      rgba(255, 255, 255, 0.70);
  --glass-border:  rgba(255, 107, 157, 0.20);

  --shadow-sm:     0 2px 8px rgba(255,107,157,0.10);
  --shadow-md:     0 8px 32px rgba(255,107,157,0.12);
  --shadow-lg:     0 20px 60px rgba(255,107,157,0.15);
  --shadow-card:   0 8px 32px rgba(255,107,157,0.10), 0 1px 0 rgba(255,255,255,0.8) inset;

  --grad-hero:     linear-gradient(160deg, #FFE4EF 0%, #F5E6FF 50%, #FFE4F5 100%);
  --grad-glow-pk:  radial-gradient(circle at 50% 0%, rgba(255,107,157,0.15) 0%, transparent 70%);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--color-primary-light); }

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

input, textarea, select {
  font-family: var(--font-body);
  outline: none;
}

ul, ol { list-style: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
  opacity: 0.5;
}

/* ── Glass Card ── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--grad-button);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,157,0.35);
}
.btn-primary:hover {
  opacity: 0.90;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(255,107,157,0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-danger {
  background: rgba(255,82,82,0.15);
  color: #FF5252;
  border: 1px solid rgba(255,82,82,0.30);
}
.btn-danger:hover {
  background: rgba(255,82,82,0.25);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-full);
  font-size: 1rem;
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}

/* ── Inputs ── */
.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-field::placeholder { color: var(--color-text-faint); }

.input-field:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255,107,157,0.15);
}

textarea.input-field { resize: vertical; min-height: 100px; }

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Section Header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-pink {
  background: rgba(255,107,157,0.15);
  color: var(--color-primary);
  border: 1px solid rgba(255,107,157,0.25);
}

.badge-purple {
  background: rgba(192,132,252,0.15);
  color: var(--color-secondary);
  border: 1px solid rgba(192,132,252,0.25);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.60);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  padding: var(--space-4);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-bg-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.92) translateY(16px);
  transition: transform var(--transition-spring);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

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

.modal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.modal-footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-6);
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  background: var(--color-bg-2);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  transform: translateX(120%);
  transition: transform var(--transition-spring);
  pointer-events: all;
  max-width: 320px;
  backdrop-filter: blur(12px);
}

.toast.show { transform: translateX(0); }
.toast.toast-error { border-left-color: #FF5252; }
.toast.toast-success { border-left-color: #4CAF50; }

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-text-muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.4;
}

.empty-state p {
  font-size: 0.9rem;
  margin-bottom: var(--space-4);
}

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14%       { transform: scale(1.2); }
  28%       { transform: scale(1); }
  42%       { transform: scale(1.15); }
  70%       { transform: scale(1); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes rotateIn {
  from { opacity: 0; transform: rotate(-5deg) scale(0.9); }
  to   { opacity: 1; transform: rotate(0) scale(1); }
}

.animate-fade-in    { animation: fadeIn 0.5s ease forwards; }
.animate-slide-in   { animation: slideIn 0.4s ease forwards; }
.animate-float      { animation: float 3s ease-in-out infinite; }
.animate-heartbeat  { animation: heartbeat 1.5s ease-in-out infinite; }
.animate-pulse      { animation: pulse 2s ease-in-out infinite; }

/* ── Utilities ── */
.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.w-full { width: 100%; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-medium { font-weight: 500; }
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }

/* ── Responsive ── */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 0px;
    --sidebar-width-expanded: 100%;
  }
}