:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #38bdf8;
  --bg-dark: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 40px;
}

/* Nawigacja Górna */
.navbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
  background: #ffffff;
  padding: 2px 6px;
}

.brand-title {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.user-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-role-tag {
  background: rgba(37, 99, 235, 0.2);
  color: var(--secondary);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.degraded {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.3);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

/* Kontenery i Karty */
.container {
  max-width: 1000px;
  margin: 20px auto;
  padding: 0 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--card-border);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
}

/* Formularze i Przyciski */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: #0f172a;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #334155;
  color: var(--text-main);
}

.btn-secondary:hover {
  background: #475569;
}

.btn-confirm {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  padding: 16px 28px;
  font-size: 1.05rem;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-logout {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: 6px;
}

.btn-logout:hover {
  color: #ffffff;
  border-color: #64748b;
}

/* PRZYCISKI KATEGORII */
.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.chip-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: #0f172a;
  border: 1px solid var(--card-border);
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.chip-btn:hover, .chip-btn:active {
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.15);
}

.chip-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.chip-btn input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
  z-index: 5;
}

/* Strefa Wgrywania Plików */
.upload-dropzone {
  position: relative;
  overflow: hidden;
  border: 2px dashed var(--card-border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  background: #0f172a;
  cursor: pointer;
  transition: border-color 0.2s;
}

.upload-dropzone:hover {
  border-color: var(--primary);
}

.upload-dropzone input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
  z-index: 5;
}

.upload-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

/* Galeria Zdjęć */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.photo-card {
  background: #0f172a;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  overflow: hidden;
}

.photo-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  cursor: pointer;
}

.photo-info {
  padding: 10px;
  font-size: 0.8rem;
}

.photo-category {
  display: inline-block;
  background: rgba(37, 99, 235, 0.2);
  color: var(--secondary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  margin-bottom: 4px;
}

.photo-notes {
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
}

/* Zakładki Tab */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 8px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 16px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 6px;
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--card-bg);
  color: var(--primary);
}

/* Tabele */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

th {
  background: #0f172a;
  color: var(--text-muted);
  font-weight: 600;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 500px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

/* Ekran Logowania z Logo MULTI-TECH PRO */
.login-box {
  max-width: 420px;
  margin: 50px auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 32px 28px;
}

.login-logo-img {
  width: 180px;
  height: auto;
  max-height: 120px;
  object-fit: contain;
  margin: 0 auto 12px;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
  border-radius: 8px;
  background: #ffffff;
  padding: 6px 12px;
}

@media (max-width: 600px) {
  .photo-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}