/* ==========================================================================
   PTSN Archivia - Stara Infrastruktura Telekomunikacyjna
   Główny arkusz stylów CSS (Telecommunication Copper & Slate Theme)
   ========================================================================== */

:root {
  /* Kolory przewodnie - Miedź, Mosiądz i Ciemny Grafit */
  --bg-main: #0b0f19;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(26, 37, 61, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.75);
  
  --copper-primary: #f59e0b;
  --copper-secondary: #d97706;
  --copper-dark: #b45309;
  --copper-glow: rgba(245, 158, 11, 0.25);

  --slate-border: rgba(245, 158, 11, 0.2);
  --slate-border-bright: rgba(245, 158, 11, 0.45);
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --emerald-active: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.3);
  
  --rose-danger: #f43f5e;
  --cyan-accent: #06b6d4;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  
  --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.2);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(6, 182, 212, 0.04) 0%, transparent 45%);
}

/* ==========================================================================
   Nawigacja i Nagłówek (Header)
   ========================================================================== */

.app-header {
  height: 70px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--slate-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  cursor: pointer;
}

.brand-logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--copper-primary), var(--copper-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-glow);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-title {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff 30%, var(--copper-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--copper-primary);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Tab Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.6);
  padding: 0.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-border);
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-normal);
}

.nav-btn:hover {
  color: var(--text-main);
  background: rgba(245, 158, 11, 0.1);
}

.nav-btn.active {
  background: linear-gradient(135deg, var(--copper-primary), var(--copper-secondary));
  color: #0b0f19;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  font-weight: 700;
}

/* User Account Quick Badge */
.user-widget {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(18, 26, 43, 0.8);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--slate-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-widget:hover {
  border-color: var(--copper-primary);
  box-shadow: var(--shadow-glow);
}

.user-avatar-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
  border: 2px solid var(--copper-primary);
}

.user-info-text {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.1;
}

.user-rank-title {
  font-size: 0.7rem;
  color: var(--copper-primary);
  font-weight: 600;
}

.user-points-badge {
  background: rgba(245, 158, 11, 0.15);
  color: var(--copper-primary);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 700;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   Glowny kontener aplikacji (View Container)
   ========================================================================== */

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

.tab-view {
  display: none;
  width: 100%;
  height: calc(100vh - 70px);
  animation: fadeIn 0.25s ease-out forwards;
}

.tab-view.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Common UI Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--copper-primary), var(--copper-secondary));
  color: #0f172a;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--copper-glow);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid var(--slate-border);
}

.btn-secondary:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--copper-primary);
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--emerald-glow);
}

.btn-emerald:hover {
  filter: brightness(1.1);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 16, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #111827;
  border: 1px solid var(--slate-border-bright);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--slate-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--copper-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.modal-body {
  padding: 1.5rem;
}

/* Badge System */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-sk { background: rgba(245, 158, 11, 0.2); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-centrala { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.badge-budka { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4); }
.badge-slup { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.4); }
.badge-studzienka { background: rgba(20, 184, 166, 0.2); color: #2dd4bf; border: 1px solid rgba(20, 184, 166, 0.4); }
.badge-kabel { background: rgba(236, 72, 153, 0.2); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.4); }

/* Responsive adjustments */
@media (max-width: 900px) {
  .app-header {
    padding: 0 1rem;
    height: auto;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
  .tab-view {
    height: auto;
    min-height: calc(100vh - 120px);
  }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: space-around;
    overflow-x: auto;
  }
  .nav-btn span {
    display: none;
  }
}

/* ==========================================================================
   Moduł Uwierzytelniania (Logowanie / Rejestracja E-mail) Modal Styles
   ========================================================================== */

.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.25s ease-out;
}

.auth-modal-card {
  background: linear-gradient(145deg, rgba(18, 26, 43, 0.98), rgba(15, 23, 42, 0.98));
  border: 1px solid var(--slate-border-bright);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  padding: 2rem;
  position: relative;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--slate-border);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.auth-modal-close:hover {
  background: rgba(244, 63, 94, 0.2);
  color: var(--rose-danger);
  border-color: rgba(244, 63, 94, 0.5);
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.auth-modal-logo {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  display: inline-block;
  background: rgba(245, 158, 11, 0.15);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-border);
}

.auth-modal-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.auth-modal-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.auth-tab-buttons {
  display: flex;
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-md);
  padding: 4px;
  margin-bottom: 1.25rem;
}

.auth-tab-btn {
  flex: 1;
  padding: 0.6rem 0.5rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.auth-tab-btn.active {
  background: var(--copper-primary);
  color: #0b0f19;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  margin: 1rem 0;
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--slate-border);
}

.auth-divider span {
  padding: 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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