/* ============================================
   IDEA stavby - styly klientske sekce
   ============================================ */

/* Login layout */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #f7f7f3 0%, #ffffff 100%);
}

.login-page .login-header {
  padding: 24px 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.login-page .login-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}

.login-card {
  background: var(--color-white);
  max-width: 460px;
  width: 100%;
  padding: 48px 40px;
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--color-accent);
}

.login-card h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.login-card .subtitle {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  font-size: 0.9375rem;
}

.login-card .form-group {
  margin-bottom: 20px;
}

.login-card label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.login-card input[type="text"],
.login-card input[type="password"],
.login-card input[type="email"],
.login-card input[type="url"],
.login-card select,
.login-card textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: border-color var(--transition);
}

.login-card input:focus,
.login-card select:focus,
.login-card textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46, 43, 124, 0.1);
}

.login-card .btn {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
}

.login-card .help-text {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
}

.login-card .help-text a {
  color: var(--color-primary);
  font-weight: 600;
}

/* Alert - chybove hlasky */
.alert {
  padding: 14px 18px;
  border-radius: 2px;
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border-left: 3px solid #dc2626;
}

.alert-success {
  background: #f0fdf4;
  color: #166534;
  border-left: 3px solid #16a34a;
}

.alert-info {
  background: #eff6ff;
  color: #1e3a8a;
  border-left: 3px solid #3b82f6;
}

/* ========== Dashboard ========== */

.klient-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-alt);
}

.klient-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.klient-header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.klient-header .logo-text {
  font-size: 1.25rem;
}

.klient-header .user-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9375rem;
}

.klient-header .user-info .user-name {
  color: var(--color-text);
  font-weight: 500;
}

.klient-header .btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  background: var(--color-white);
  transition: all var(--transition);
  text-decoration: none;
}

.klient-header .btn-logout:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.klient-main {
  flex: 1;
  padding: 48px 0;
}

.klient-main .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.klient-main h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.klient-main .lead {
  color: var(--color-text-muted);
  margin-bottom: 40px;
  font-size: 1.0625rem;
}

/* Karty staveb */
.stavby-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.stavba-card {
  background: var(--color-white);
  padding: 28px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.stavba-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.stavba-card .meta {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 8px;
}

.stavba-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.stavba-card .poznamka {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  flex: 1;
  margin-bottom: 20px;
}

.stavba-card .btn {
  align-self: flex-start;
}

.empty-state {
  text-align: center;
  padding: 64px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.empty-state h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.empty-state p {
  color: var(--color-text-muted);
}

/* ========== Admin panel ========== */

.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  min-height: calc(100vh - 80px);
  align-items: start;
}

.admin-nav {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 96px;
}

.admin-nav a {
  display: block;
  padding: 12px 24px;
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}

.admin-nav a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.admin-nav a.active {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

.admin-content {
  background: var(--color-white);
  padding: 32px;
  border: 1px solid var(--color-border);
}

.admin-content h2 {
  font-size: 1.5rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* Tabulky */
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

table.data-table th {
  text-align: left;
  padding: 12px;
  background: var(--color-bg-alt);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}

table.data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

table.data-table tr:hover {
  background: var(--color-bg-alt);
}

table.data-table .actions {
  display: flex;
  gap: 8px;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8125rem;
}

.btn-danger {
  background: #dc2626;
  color: var(--color-white);
}

.btn-danger:hover {
  background: #b91c1c;
  color: var(--color-white);
}

/* Forms */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46, 43, 124, 0.1);
}

.form-group .hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 6px;
  text-transform: none;
  letter-spacing: 0;
}

.checkbox-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.checkbox-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-size: 0.9375rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
  transition: all var(--transition);
}

.checkbox-list label:hover {
  border-color: var(--color-primary);
}

.checkbox-list input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.access-matrix {
  overflow-x: auto;
}

.access-matrix table {
  border-collapse: collapse;
  font-size: 0.875rem;
}

.access-matrix th, .access-matrix td {
  border: 1px solid var(--color-border);
  padding: 10px;
  text-align: center;
}

.access-matrix th.first-col,
.access-matrix td.first-col {
  text-align: left;
  background: var(--color-bg-alt);
  font-weight: 600;
  position: sticky;
  left: 0;
  min-width: 200px;
  max-width: 280px;
}

.access-matrix input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 900px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-nav {
    position: static;
    display: flex;
    flex-wrap: wrap;
    padding: 0;
  }
  .admin-nav a {
    border-left: none;
    border-bottom: 3px solid transparent;
  }
  .admin-nav a.active {
    border-bottom-color: var(--color-accent);
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .stavby-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .login-card {
    padding: 32px 24px;
  }
  .klient-header-inner {
    flex-wrap: wrap;
  }
  .admin-content {
    padding: 24px 20px;
  }
}

/* Print + a11y */
@media print {
  .klient-header, .admin-nav, .btn { display: none; }
}