:root {
  --bg-main: #0b0f19;
  --bg-card: #151d2f;
  --bg-card-hover: #1c263c;
  --bg-surface: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-purple: #8b5cf6;
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.app-container {
  max-width: 1360px;
  margin: 0 auto;
  width: 100%;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* HEADER */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

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

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sub-badge {
  font-size: 0.72rem;
  color: var(--accent-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.user-meta {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.user-role-badge {
  font-size: 0.72rem;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  padding: 2px 8px;
  border-radius: 12px;
  width: fit-content;
  font-weight: 600;
}

/* BUTTONS */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
}

.btn-block {
  width: 100%;
}

/* AUTH SECTION */
.auth-card {
  max-width: 460px;
  margin: 30px auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 6px;
}

.tab-btn.active {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.form-intro {
  margin-bottom: 20px;
}

.form-intro h2 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.form-intro p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.4;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}

input:focus {
  border-color: var(--accent-primary);
}

.input-with-action {
  display: flex;
  gap: 8px;
}

.btn-action-icon {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.btn-action-icon:hover {
  background: rgba(59, 130, 246, 0.25);
}

/* PIN PAD */
.pin-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.pin-key {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 1.3rem;
  font-weight: 700;
  padding: 14px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.pin-key:hover {
  background: rgba(255, 255, 255, 0.12);
}

.pin-clear {
  color: var(--accent-danger);
  font-size: 1.1rem;
}

.pin-back {
  color: var(--accent-warning);
  font-size: 1.2rem;
}

.quick-logins {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
}

.quick-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 100%;
  margin-bottom: 2px;
}

.chip-btn {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.chip-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* HERO PANEL */
.hero-panel {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.hero-content h2 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.hero-content p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.hero-stats {
  display: flex;
  gap: 14px;
}

.stat-box {
  background: rgba(0, 0, 0, 0.25);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-val {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-success);
}

/* 3-COLUMN LAYOUT (Docházka, Práce, Administrace) */
.portal-columns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

@media (max-width: 1024px) {
  .portal-columns-grid {
    grid-template-columns: 1fr;
  }
}

.portal-column {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.column-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.col-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.column-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.column-header p {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* STATE CARD */
.current-state-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.state-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.state-badge-large {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 6px auto;
  padding: 6px 14px;
  border-radius: 20px;
  width: fit-content;
  letter-spacing: 0.03em;
}

.state-hint {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* Status colors */
.status-off {
  background: rgba(100, 116, 139, 0.2);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.status-working {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.status-break {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.status-absent {
  background: rgba(139, 92, 246, 0.2);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.4);
}

/* ACTION TILES & BUTTONS */
.actions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.action-tile-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.action-tile-btn:hover {
  transform: translateY(-2px);
}

.action-tile-btn .tile-icon {
  font-size: 1.25rem;
}

.tile-primary {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.3) 100%);
  border-color: rgba(16, 185, 129, 0.4);
  color: #a7f3d0;
}

.tile-primary:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.3) 0%, rgba(5, 150, 105, 0.4) 100%);
}

.tile-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.3) 100%);
  border-color: rgba(245, 158, 11, 0.4);
  color: #fde68a;
}

.tile-warning:hover {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.3) 0%, rgba(217, 119, 6, 0.4) 100%);
}

.tile-danger {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(185, 28, 28, 0.3) 100%);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.tile-danger:hover {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.3) 0%, rgba(185, 28, 28, 0.4) 100%);
}

.tile-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.tile-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.card-footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.footer-link-btn {
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  padding: 8px;
  border-radius: var(--radius-sm);
  text-align: left;
}

.footer-link-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-primary);
}

/* WORK MODULES */
.work-modules-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.work-module-block {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.module-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.module-title-bar h4 {
  font-size: 0.92rem;
  font-weight: 700;
}

.role-badge-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.work-grid-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.work-action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: left;
}

.work-action-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ADMIN SECTIONS */
.admin-sections-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.admin-hub-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.admin-hub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.admin-hub-header h4 {
  font-size: 0.92rem;
  font-weight: 700;
}

.admin-items-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-item-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-item-row:hover {
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
}

.admin-system-tools {
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.tools-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.tool-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* MODAL */
.data-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 16px;
}

.data-modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-width: 900px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-close {
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.2rem;
  padding: 4px 8px;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}

.data-table th {
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 12px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.tag-role {
  display: inline-block;
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  margin-right: 4px;
  font-weight: 600;
}

.tag-active {
  color: var(--accent-success);
  font-weight: 600;
}

.tag-device {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
}

.json-snippet {
  font-family: monospace;
  font-size: 0.72rem;
  color: #cbd5e1;
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .header-right {
    width: 100%;
    justify-content: space-between;
  }
  .hero-panel {
    flex-direction: column;
    align-items: flex-start;
  }
  .work-grid-actions {
    grid-template-columns: 1fr;
  }
}