/* ===== VARIABLES ===== */
:root {
  --primary: #e11d48;
  --primary-light: #fda4af;
  --primary-dark: #9f1239;
  --secondary: #f59e0b;
  --bg: #fdf2f8;
  --bg-card: #ffffff;
  --bg-sidebar: #1f2937;
  --text: #1f2937;
  --text-light: #6b7280;
  --text-white: #ffffff;
  --border: #e5e7eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ===== UTILITIES ===== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-light { color: var(--text-light); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text);
}
.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: white;
  color: var(--text);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
}
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2rem; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-body { padding: 1.25rem; }
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 1rem;
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-primary { background: rgba(225,29,72,0.1); color: var(--primary); }
.badge-success { background: rgba(16,185,129,0.1); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.1); color: var(--danger); }
.badge-pro { background: var(--secondary); color: white; }

/* ===== AUTH PAGE ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 50%, #ffe4e6 100%);
  padding: 1rem;
}
.auth-card {
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
}
.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-logo h1 {
  font-size: 2rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-logo p { color: var(--text-light); font-size: 0.9rem; margin-top: 0.25rem; }
.auth-error {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.auth-footer { text-align: center; margin-top: 1.5rem; font-size: 0.875rem; color: var(--text-light); }

/* ===== LAYOUT ===== */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-sidebar);
  color: var(--text-white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
  transition: transform 0.3s;
}
.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-header h2 {
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sidebar-header small { color: rgba(255,255,255,0.5); font-size: 0.75rem; }
.sidebar-nav { flex: 1; padding: 1rem 0; overflow-y: auto; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: all 0.2s;
  text-decoration: none;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  color: white;
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}
.sidebar-nav a.active { border-left: 3px solid var(--primary); }
.sidebar-nav .nav-section {
  padding: 0.5rem 1.5rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.4);
  margin-top: 0.5rem;
}
.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.sidebar-user .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
}
.sidebar-user .user-info { flex: 1; }
.sidebar-user .user-name { font-size: 0.875rem; font-weight: 500; }
.sidebar-user .user-role { font-size: 0.7rem; color: rgba(255,255,255,0.5); }

/* Main content */
.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  background: white;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar h1 { font-size: 1.25rem; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 0.75rem; }
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}
.page-content { flex: 1; padding: 1.5rem; }

/* ===== STATS CARDS ===== */
.stat-card {
  background: white;
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; }
.stat-card .stat-label { font-size: 0.8rem; color: var(--text-light); margin-top: 0.25rem; }

/* ===== ARTIST CARD ===== */
.artist-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.artist-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.artist-card-img {
  height: 180px;
  background: linear-gradient(135deg, #fce7f3, #fda4af);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.artist-card-body { padding: 1rem; }
.artist-card-body h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.artist-card-body .artist-meta {
  font-size: 0.8rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.artist-card-body .artist-rating { color: var(--secondary); font-weight: 600; }
.artist-card-body .artist-price {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

/* ===== TABLE ===== */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem 1rem; text-align: left; font-size: 0.875rem; }
th { background: var(--bg); font-weight: 600; color: var(--text-light); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
td { border-bottom: 1px solid var(--border); }
tr:hover td { background: var(--bg); }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-light);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { color: var(--text); margin-bottom: 0.5rem; }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.modal {
  background: white;
  border-radius: var(--radius);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 1.1rem; }
.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-light);
}
.modal-body { padding: 1.25rem; }
.modal-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ===== LOADING ===== */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

/* ===== PUBLIC VITRINE ===== */
.public-nav {
  background: white;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.public-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.public-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}
.public-logo:hover { text-decoration: none; }
.public-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.public-nav-links a {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}
.public-nav-links a:hover { color: var(--primary); text-decoration: none; }

.hero {
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 50%, #ffe4e6 100%);
  padding: 5rem 1.5rem;
  text-align: center;
}
.hero-content {
  max-width: 600px;
  margin: 0 auto;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text);
}
.hero p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.section {
  padding: 4rem 1.5rem;
}
.section-pink {
  background: var(--bg);
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2rem;
}

.step-card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.step-card h3 { margin: 0.75rem 0 0.5rem; }
.step-card p { font-size: 0.9rem; color: var(--text-light); }
.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.public-footer {
  background: var(--bg-sidebar);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.85rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .mobile-menu-btn { display: block; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .topbar h1 { font-size: 1rem; }
  .page-content { padding: 1rem; }
  .hero { padding: 3rem 1rem; }
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 0.95rem; }
  .hide-mobile { display: none; }
  .section { padding: 2.5rem 1rem; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .auth-card { padding: 1.5rem; }
}