/**
 * Vinyl Library - Main Stylesheet (Optimized & Merged)
 * Design: Grafitowo-pomarańczowy minimalistyczny (Dark Mode)
 */

/* ===== 1. Variables & Configuration ===== */
:root {
  /* Colors */
  --color-primary: #CC0033;
  --color-primary-dark: #e55a2b;
  --color-primary-light: #ff8559;
  
  --color-secondary: #f7931e;
  
  --color-bg: #0a0a0a;           /* Główne tło (bardzo ciemne) */
  --color-bg-secondary: #1a1a1a; /* Karty, nagłówki */
  --color-bg-tertiary: #2a2a2a;  /* Pola formularzy, akcenty tła */
  
  --color-text: #e0e0e0;         /* Główny tekst */
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #707070;
  
  --color-border: #333333;
  --color-border-light: #444444;
  
  --color-success: #4caf50;
  --color-error: #f44336;
  --color-warning: #ff9800;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  
  /* Transitions */
  --transition: 0.3s ease;
}

/* ===== 2. Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }

p { margin-bottom: var(--spacing-md); color: var(--color-text-secondary); }

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

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

img { max-width: 100%; display: block; }

/* ===== 3. Layout & Typography Utilities ===== */
.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  flex: 1; /* Ensures footer stays at bottom */
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.text-muted { color: var(--color-text-muted) !important; }
.text-primary { color: var(--color-primary) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Flex & Grid Helpers */
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex { display: flex; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }

.grid { display: grid; gap: var(--spacing-lg); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Spacing Utilities */
.mt-2 { margin-top: var(--spacing-sm); }
.mt-4 { margin-top: var(--spacing-xl); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ===== 4. Navigation (Navbar) ===== */
.navbar {
  background-color: rgba(26, 26, 26, 0.95); /* Glassmorphism base */
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.nav-logo h2 {
  margin: 0;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.nav-link:hover, .nav-link.active {
  background-color: var(--color-bg-tertiary);
  color: var(--color-primary);
}

.nav-user { font-size: 0.9rem; color: var(--color-text-secondary); display: flex; align-items: center; gap: 1rem; }

/* ===== 5. Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

.btn-secondary {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-danger {
  background-color: rgba(244, 67, 54, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-error);
  color: white;
}

.btn-small { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-lg { padding: 0.8rem 1.5rem; font-size: 1.1rem; }

/* ===== 6. Cards & Panels ===== */
.card, .stat-card, .record-view, .modal-content, .no-records, .filters-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.card-header { margin-bottom: var(--spacing-md); }
.card-title { font-size: 1.25rem; color: var(--color-primary); margin: 0; }

/* Dashboard Specifics */
.stat-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.stat-icon-large, .stat-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  opacity: 0.8;
}

/* ===== 7. Forms ===== */
.form-group { margin-bottom: var(--spacing-md); }
.form-label, label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-input, .form-select, input[type="text"], input[type="number"], input[type="email"], input[type="password"], input[type="date"], select, textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  transition: all var(--transition);
  font-family: inherit;
}

.form-input:focus, select:focus, textarea:focus, input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
}

/* Special Add Record Form Styling */
.record-form .track-item {
  background-color: var(--color-bg-tertiary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--color-border);
}

.track-item .form-row {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
}

/* NOWE: Układ pionowy formularza edycji */
.form-layout-vertical {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-section {
  background: #333;
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid #444;
}

.form-section h4 {
  margin-bottom: 1.5rem;
  color: #f2a365;
  border-bottom: 2px solid #444;
  padding-bottom: 0.5rem;
}

/* NOWE: Lepsze proporcje dla pól utworów w formularzu edycji */
.form-section .track-item .form-row {
  display: grid;
  grid-template-columns: 60px 1fr 120px 80px;
  gap: 0.75rem;
  align-items: flex-end;
}

.form-section .track-item .form-group.track-number {
  max-width: 60px;
}

.form-section .track-item .form-group.track-title {
  flex: 1;
}

.form-section .track-item .form-group.track-duration {
  max-width: 120px;
}

.form-section .track-item .track-actions {
  display: flex;
  align-items: flex-end;
}

/* ===== 8. Lists & Tables (Browse Records) ===== */
/* List Item Style (for Dashboard lists) */
.list-item-modern {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  border: 1px solid var(--color-border-light);
  transition: transform var(--transition);
}

.list-item-modern:hover {
  transform: translateX(5px);
  border-color: var(--color-primary);
}

/* Record Cards (Grid View) */
.record-card {
  display: flex;
  flex-direction: column;
  padding: 0; /* Reset padding for card with image */
  transition: transform var(--transition);
}

.record-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.record-cover-wrapper {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-bg-tertiary);
  position: relative;
}

.record-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.record-info { padding: var(--spacing-md); flex: 1; display: flex; flex-direction: column; }
.record-title { font-weight: 700; color: var(--color-primary); margin-bottom: 0.25rem; font-size: 1.1rem; }
.record-artist { color: var(--color-text); margin-bottom: 0.5rem; }
.record-meta { margin-top: auto; padding-top: 0.5rem; border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; }

/* Tables */
.table-container { overflow-x: auto; border-radius: var(--radius-md); }

.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
}

.table th, .table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background-color: var(--color-bg-tertiary);
  color: var(--color-primary);
  font-weight: 600;
}

.table tbody tr:hover { background-color: rgba(255, 255, 255, 0.02); }

/* NOWE: Style dla tabeli utworów */
.tracks-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: #2e2e2e;
  border-radius: 8px;
  overflow: hidden;
}

.tracks-table thead {
  background: #383838;
}

.tracks-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  color: #f2a365;
  font-weight: 600;
  border-bottom: 2px solid #505050;
}

.tracks-table td {
  padding: 0.75rem 1rem;
  color: #e4e4e4;
  border-bottom: 1px solid #404040;
}

.tracks-table tbody tr:hover {
  background: #333;
}

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

.tracks-table .track-number-col {
  width: 60px;
  text-align: center;
  color: #888;
  font-weight: 600;
}

.tracks-table .track-duration-col {
  width: 100px;
  text-align: right;
  color: #aaa;
  font-family: 'Courier New', monospace;
}

/* ===== 9. Modals & Overlays ===== */
.modal, .modal-overlay {
  display: none;
  position: fixed;
  z-index: 2000;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
}

.modal-content {
  max-height: 90vh;
  overflow-y: auto;
  width: 95%;
  max-width: 700px;
  padding: 0; /* Header has own padding */
}

/* NOWE: Wyśrodkowanie modala edycji */
.modal-content.large {
  max-width: 1000px;
  width: 95%;
  margin: 2rem auto;
  background: #2a2a2a;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.modal-header {
  background-color: var(--color-bg-tertiary);
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body { padding: var(--spacing-lg); }

/* Results List (Discogs) */
.results-list { display: flex; flex-direction: column; gap: 0.5rem; }

/* ===== 10. Utilities & Alerts ===== */
.message {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
  border: 1px solid transparent;
}

.message-success { background-color: rgba(76, 175, 80, 0.1); color: var(--color-success); border-color: rgba(76, 175, 80, 0.2); }
.message-error { background-color: rgba(244, 67, 54, 0.1); color: var(--color-error); border-color: rgba(244, 67, 54, 0.2); }

.breadcrumb a { color: var(--color-text-secondary); font-size: 0.9rem; }
.breadcrumb a:hover { color: var(--color-primary); }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: var(--spacing-xl); }
.page-link {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text);
}
.page-link.active, .page-link:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.footer {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-muted);
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
}

/* ===== 11. Animations ===== */
.fade-in { animation: fadeIn 0.5s ease-out forwards; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.slide-up { animation: slideUp 0.5s ease-out forwards; opacity: 0; transform: translateY(20px); }
@keyframes slideUp { to { opacity: 1; transform: translateY(0); } }

/* ===== 12. Login Page Specifics ===== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%);
}
.login-container { width: 100%; max-width: 400px; padding: var(--spacing-md); }
.login-form {
  background: var(--color-bg-secondary);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

/* ===== 13. Responsive ===== */
@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .nav-container { flex-direction: column; gap: 1rem; }
  .nav-menu { flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
  .grid-cols-3, .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-card { flex-direction: column; text-align: center; gap: 0.5rem; }
  .record-content { grid-template-columns: 1fr; }
  .track-item .form-row { flex-wrap: wrap; }
  
  /* NOWE: Responsywność dla formularza edycji utworów */
  .form-section .track-item .form-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .form-section .track-item .form-group.track-number,
  .form-section .track-item .form-group.track-duration {
    max-width: 100%;
  }
  
  .tracks-table th, .tracks-table td {
    padding: 0.5rem;
    font-size: 0.9rem;
  }
}
@media (max-width: 480px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
  .flex-between { flex-direction: column; gap: 1rem; align-items: stretch; }
  .record-card { flex-direction: column; }
}

/* Print Styles */
@media print {
  .navbar, .filters-card, .btn, .pagination, .footer, .view-toggle { display: none !important; }
  body { background: white; color: black; }
  .record-card, .table, .card { border: 1px solid #ccc; box-shadow: none; color: black; background: white; }
  .text-muted { color: #555 !important; }
}