/* ===== WP TWIBBONIZE - MODERN TAILWIND INSPIRED DESIGN ===== */

/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #0f172a;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  min-height: 100vh;
}

/* ===== DESIGN SYSTEM VARIABLES ===== */
:root {
  /* Colors - Neutral */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  /* Colors - Primary (Blue) */
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;

  /* Colors - Success (Emerald) */
  --emerald-50: #ecfdf5;
  --emerald-100: #d1fae5;
  --emerald-200: #a7f3d0;
  --emerald-300: #6ee7b7;
  --emerald-400: #34d399;
  --emerald-500: #10b981;
  --emerald-600: #059669;
  --emerald-700: #047857;
  --emerald-800: #065f46;
  --emerald-900: #064e3b;

  /* Colors - Warning (Amber) */
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-200: #fde68a;
  --amber-300: #fcd34d;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --amber-700: #b45309;
  --amber-800: #92400e;
  --amber-900: #78350f;

  /* Colors - Danger (Red) */
  --red-50: #fef2f2;
  --red-100: #fee2e2;
  --red-200: #fecaca;
  --red-300: #fca5a5;
  --red-400: #f87171;
  --red-500: #ef4444;
  --red-600: #dc2626;
  --red-700: #b91c1c;
  --red-800: #991b1b;
  --red-900: #7f1d1d;

  /* 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;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== UTILITY CLASSES ===== */

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-4);
}

/* Spacing */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }

.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }
.m-10 { margin: var(--space-10); }
.m-12 { margin: var(--space-12); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mx-auto { margin-left: auto; margin-right: auto; }

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Flexbox */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Text */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Colors */
.text-slate-400 { color: var(--slate-400); }
.text-slate-500 { color: var(--slate-500); }
.text-slate-600 { color: var(--slate-600); }
.text-slate-700 { color: var(--slate-700); }
.text-slate-800 { color: var(--slate-800); }
.text-slate-900 { color: var(--slate-900); }

.text-blue-500 { color: var(--blue-500); }
.text-blue-600 { color: var(--blue-600); }
.text-blue-700 { color: var(--blue-700); }

.text-emerald-500 { color: var(--emerald-500); }
.text-emerald-600 { color: var(--emerald-600); }

.text-amber-500 { color: var(--amber-500); }
.text-amber-600 { color: var(--amber-600); }

.text-red-500 { color: var(--red-500); }
.text-red-600 { color: var(--red-600); }

/* Background Colors */
.bg-white { background-color: #ffffff; }
.bg-slate-50 { background-color: var(--slate-50); }
.bg-slate-100 { background-color: var(--slate-100); }
.bg-slate-200 { background-color: var(--slate-200); }

.bg-blue-50 { background-color: var(--blue-50); }
.bg-blue-500 { background-color: var(--blue-500); }
.bg-blue-600 { background-color: var(--blue-600); }

.bg-emerald-50 { background-color: var(--emerald-50); }
.bg-emerald-500 { background-color: var(--emerald-500); }

.bg-amber-50 { background-color: var(--amber-50); }
.bg-red-50 { background-color: var(--red-50); }

/* Border Radius */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

/* Borders */
.border { border: 1px solid var(--slate-200); }
.border-slate-200 { border-color: var(--slate-200); }
.border-slate-300 { border-color: var(--slate-300); }
.border-blue-200 { border-color: var(--blue-200); }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* ===== COMPONENT STYLES ===== */

/* Cards */
.card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-100);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--slate-100);
  background: linear-gradient(135deg, var(--slate-50) 0%, #ffffff 100%);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--slate-100);
  background: var(--slate-50);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-600) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-700) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #ffffff;
  color: var(--slate-700);
  border-color: var(--slate-200);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--slate-50);
  border-color: var(--slate-300);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: linear-gradient(135deg, var(--emerald-500) 0%, var(--emerald-600) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--emerald-600) 0%, var(--emerald-700) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-warning {
  background: linear-gradient(135deg, var(--amber-500) 0%, var(--amber-600) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-warning:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--amber-600) 0%, var(--amber-700) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--red-500) 0%, var(--red-600) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--red-600) 0%, var(--red-700) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--slate-900);
  background: #ffffff;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--slate-400);
}

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

.form-error {
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--red-600);
}

.form-help {
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--slate-500);
}

/* File Upload */
.upload-area {
  position: relative;
  border: 2px dashed var(--slate-300);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  text-align: center;
  background: var(--slate-50);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.upload-area:hover {
  border-color: var(--blue-400);
  background: var(--blue-50);
}

.upload-area.dragover {
  border-color: var(--blue-500);
  background: var(--blue-100);
  transform: scale(1.02);
}

.upload-icon {
  font-size: 3rem;
  color: var(--slate-400);
  margin-bottom: var(--space-4);
}

.upload-text {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--slate-700);
  margin-bottom: var(--space-2);
}

.upload-subtext {
  font-size: 0.875rem;
  color: var(--slate-500);
}

/* Stats Cards */
.stat-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-100);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--emerald-500));
}

.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-change {
  font-size: 0.75rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
}

.stat-change.positive {
  background: var(--emerald-100);
  color: var(--emerald-700);
}

.stat-change.negative {
  background: var(--red-100);
  color: var(--red-700);
}

/* ===== DASHBOARD ADMIN STYLES ===== */
.twibbon-admin-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

.admin-header {
  text-align: center;
  margin-bottom: var(--space-12);
  padding: var(--space-8) 0;
  background: linear-gradient(135deg, #ffffff 0%, var(--slate-50) 100%);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
}

.admin-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, var(--blue-600), var(--emerald-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-header p {
  font-size: 1.125rem;
  color: var(--slate-600);
  max-width: 600px;
  margin: 0 auto;
}

.admin-section {
  margin-bottom: var(--space-12);
}

.admin-section h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--slate-800);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* Charts Section */
.charts-section {
  background: #ffffff;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-100);
}

.chart-container {
  background: var(--slate-50);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-container canvas {
  max-width: 100%;
  height: auto;
}

.chart-placeholder {
  text-align: center;
  color: var(--slate-500);
  font-size: 1.125rem;
}

/* Upload Section */
.upload-section {
  background: #ffffff;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-100);
}

.frame-form {
  display: grid;
  gap: var(--space-6);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

/* Frames Gallery */
.frames-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.frame-item {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-100);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-align: center;
}

.frame-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--blue-300);
}

.frame-item.selected {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.frame-item img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
}

.frame-title {
  display: block;
  font-weight: 500;
  color: var(--slate-800);
  margin-bottom: var(--space-1);
}

.frame-downloads {
  font-size: 0.75rem;
  color: var(--slate-500);
}

/* ===== FRONTEND USER STYLES ===== */
.twibbon-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

.twibbon-section {
  background: #ffffff;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--slate-100);
  position: relative;
  overflow: hidden;
}

.twibbon-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--emerald-500), var(--amber-500));
}

.twibbon-section h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--slate-800);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.twibbon-section h3::before {
  content: attr(data-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color: #ffffff;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
}

/* Canvas Section */
.canvas-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
  background: var(--slate-50);
  border-radius: var(--radius-xl);
  border: 2px dashed var(--slate-300);
  overflow: hidden;
}

.canvas-placeholder {
  text-align: center;
  color: var(--slate-500);
  font-size: 1.125rem;
}

#twibbon-canvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--slate-300);
  background: #fff;
  display: block;
  margin: 0 auto;
  transition: border-color 0.3s ease;
}

/* Modo de ajuste */
.adjusting-mode #twibbon-canvas {
  border-color: var(--blue-500);
  border-width: 3px;
  cursor: grab;
}

.adjusting-mode #twibbon-canvas:active {
  cursor: grabbing;
}

/* Controles de ajuste */
.adjust-controls {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--slate-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
}

.adjust-instructions {
  margin-bottom: var(--space-4);
  text-align: center;
}

.adjust-instructions p {
  margin: var(--space-2) 0;
  color: var(--slate-600);
  font-size: 0.875rem;
}

.adjust-instructions i {
  margin-right: var(--space-2);
  color: var(--blue-500);
}

.adjust-buttons {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.adjust-buttons .btn {
  min-width: 120px;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(8px);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--slate-300);
  border-top: 4px solid var(--blue-500);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

.loading-overlay p {
  color: #ffffff;
  font-size: 1.125rem;
  font-weight: 500;
}

/* ===== ANIMATIONS ===== */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% { transform: translateY(0); }
  40%, 43% { transform: translateY(-10px); }
  70% { transform: translateY(-5px); }
  90% { transform: translateY(-2px); }
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-bounce {
  animation: bounce 1s infinite;
}

/* Staggered Animations */
.animate-stagger-1 { animation-delay: 0.1s; }
.animate-stagger-2 { animation-delay: 0.2s; }
.animate-stagger-3 { animation-delay: 0.3s; }
.animate-stagger-4 { animation-delay: 0.4s; }

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.hover-scale {
  transition: transform var(--transition-normal);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .frames-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .admin-header h2 {
    font-size: 1.875rem;
  }
  
  .twibbon-section {
    padding: var(--space-6);
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .btn + .btn {
    margin-top: var(--space-3);
  }
  
  /* Controles de ajuste em mobile */
  .adjust-controls {
    padding: var(--space-3);
  }
  
  .adjust-instructions p {
    font-size: 0.8rem;
  }
  
  .adjust-buttons {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .adjust-buttons .btn {
    min-width: auto;
    width: 100%;
  }
  
  /* Canvas em mobile */
  #twibbon-canvas {
    touch-action: none;
    user-select: none;
  }
  
  .adjusting-mode #twibbon-canvas {
    border-width: 2px;
  }
}

@media (max-width: 480px) {
  .admin-header {
    padding: var(--space-6) var(--space-4);
  }
  
  .admin-header h2 {
    font-size: 1.5rem;
  }
  
  .admin-header p {
    font-size: 1rem;
  }
  
  .stat-number {
    font-size: 1.875rem;
  }
  
  .twibbon-section h3 {
    font-size: 1.25rem;
  }
  
  .frames-gallery {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}

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

/* Focus Styles */
.btn:focus-visible,
.form-input:focus-visible,
.form-textarea:focus-visible,
.form-select:focus-visible {
  outline: 2px solid var(--blue-500);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --slate-100: #e0e0e0;
    --slate-200: #c0c0c0;
    --slate-300: #a0a0a0;
  }
  
  .card,
  .stat-card,
  .twibbon-section {
    border-width: 2px;
  }
}

/* Tabela de molduras - Estilo React moderno */
.frames-table-container {
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    background: white;
    border: 1px solid #e5e7eb;
}

.frames-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 0.875rem;
}

.frames-table th {
    padding: 12px 16px;
    text-align: left;
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid #e5e7eb;
}

.frames-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
}

.frames-table tbody tr {
    transition: all 0.15s ease;
}

.frames-table tbody tr:hover {
    background: #f8fafc;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.frames-table tbody tr:last-child td {
    border-bottom: none;
}

/* Miniatura pequena - estilo React */
.frame-thumbnail {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
}

.frame-thumbnail:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.no-thumbnail {
    width: 40px;
    height: 40px;
    background: #f3f4f6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    color: #9ca3af;
    border: 1px dashed #d1d5db;
}

/* Coluna de título */
.title-col {
    font-weight: 500;
    color: #111827;
}

/* Coluna de downloads */
.downloads-col {
    color: #6b7280;
    font-weight: 500;
}

/* Coluna de última atividade */
.last-download-col {
    color: #6b7280;
    font-size: 0.8125rem;
}

/* Ações - estilo React */
.actions-col {
    white-space: nowrap;
    text-align: right;
}

.actions-col .twibbon-btn {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.15s ease;
    border: 1px solid transparent;
}

.actions-col .twibbon-btn.danger {
    background: #fef2f2;
    color: #dc2626;
    border-color: #fecaca;
}

.actions-col .twibbon-btn.danger:hover {
    background: #dc2626;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(220, 38, 38, 0.3);
}

.no-frames {
    text-align: center;
    color: #9ca3af;
    font-style: italic;
    padding: 48px 20px;
    background: #f9fafb;
}

/* Responsividade da tabela */
@media (max-width: 768px) {
    .frames-table th,
    .frames-table td {
        padding: 8px 12px;
        font-size: 0.8125rem;
    }
    
    .frame-thumbnail,
    .no-thumbnail {
        width: 32px;
        height: 32px;
    }
    
    .actions-col .twibbon-btn {
        padding: 4px 8px;
        font-size: 0.6875rem;
    }
}

/* Print Styles */
@media print {
  .btn,
  .loading-overlay,
  .upload-area {
    display: none !important;
  }
  
  .card,
  .stat-card,
  .twibbon-section {
    box-shadow: none;
    border: 1px solid #000;
  }
}