/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #f1f5f9;
  --color-surface: #ffffff;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-header-bg: #0f172a;
  --color-header-text: #f8fafc;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-shadow-md: rgba(0, 0, 0, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.18s ease;
}

html, body {
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ===== LOGIN PAGE ===== */
.login-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
}

.login-logo {
  margin-bottom: 2rem;
  text-align: center;
}

.login-logo svg {
  width: 52px;
  height: 52px;
  color: #60a5fa;
}

.login-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f8fafc;
  margin-top: 0.75rem;
  letter-spacing: -0.02em;
}

.login-logo p {
  font-size: 0.875rem;
  color: #94a3b8;
  margin-top: 0.25rem;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.login-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.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(59, 130, 246, 0.15);
}

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

.password-wrapper {
  position: relative;
}

.password-wrapper input {
  padding-right: 3rem;
}

.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0.25rem;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}

.password-toggle:hover {
  color: var(--color-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  margin-top: 0.5rem;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: #cbd5e1;
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
}

.alert.visible {
  display: block;
}

.alert-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.alert-success {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

/* ===== DASHBOARD LAYOUT ===== */
.dashboard {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ===== HEADER ===== */
.header {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex: 1;
  min-width: 0;
}

.header-logo svg {
  width: 28px;
  height: 28px;
  color: #60a5fa;
  flex-shrink: 0;
}

.header-logo span {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.user-name {
  font-size: 0.875rem;
  color: #cbd5e1;
  display: none;
}

@media (min-width: 480px) {
  .user-name { display: inline; }
}

.role-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.role-badge.admin {
  background: #f59e0b;
  color: #1c1917;
}

.role-badge.lesen {
  background: #3b82f6;
  color: #fff;
}

.role-badge.lesen-schreiben {
  background: #10b981;
  color: #fff;
}

.btn-logout {
  background: rgba(255,255,255,0.1);
  color: #f1f5f9;
  border: 1px solid rgba(255,255,255,0.15);
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-logout:hover {
  background: rgba(255,255,255,0.2);
}

/* ===== MAIN CONTENT ===== */
.main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1rem 5rem;
}

.page-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

/* ===== APP GRID ===== */
.app-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1rem;
}

@media (min-width: 480px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .app-grid { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
}

@media (min-width: 1024px) {
  .app-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1280px) {
  .app-grid { grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
}

/* ===== APP CARD ===== */
.app-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1.5px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
}

.app-card:hover {
  box-shadow: 0 8px 24px var(--color-shadow-md);
  transform: translateY(-2px);
  border-color: #bfdbfe;
}

.app-card-header {
  padding: 1.25rem 1rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.app-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.app-icon-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
}

.app-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-card-body {
  padding: 0 1rem 1rem;
  flex: 1;
}

.app-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.app-card-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.app-open-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: gap var(--transition), color var(--transition);
}

.app-open-link:hover {
  color: var(--color-primary-hover);
  gap: 0.55rem;
}

.app-open-link svg {
  width: 14px;
  height: 14px;
}

/* admin controls on card */
.app-admin-controls {
  display: none;
  gap: 0.375rem;
}

.app-card.admin-mode .app-admin-controls {
  display: flex;
}

.btn-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
  background: var(--color-bg);
  color: var(--color-text-muted);
}

.btn-icon:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-icon.danger:hover {
  background: #fee2e2;
  color: var(--color-danger);
}

/* ===== ADD CARD (Admin) ===== */
.app-card-add {
  background: transparent;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 2rem 1rem;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  min-height: 160px;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.app-card-add svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  opacity: 0.7;
}

.app-card-add:hover {
  border-color: var(--color-primary);
  background: #eff6ff;
  color: var(--color-primary);
}

.app-card-add:hover svg {
  opacity: 1;
}

.admin-mode-active .app-card-add {
  display: flex;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  opacity: 0.4;
}

.empty-state p {
  font-size: 0.9375rem;
}

/* ===== LOADING SPINNER ===== */
.loading-overlay {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4rem;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.3);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.2s ease;
  max-height: 90dvh;
  overflow-y: auto;
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0.25rem;
  border-radius: 6px;
  display: flex;
  transition: background var(--transition), color var(--transition);
}

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

.modal-body {
  padding: 1.25rem 1.5rem;
}

.modal-footer {
  padding: 0 1.5rem 1.5rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
}

/* ===== CONFIRM DIALOG ===== */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.confirm-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.confirm-dialog {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 360px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.confirm-dialog h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.confirm-dialog p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.confirm-actions {
  display: flex;
  gap: 0.625rem;
  justify-content: flex-end;
}

/* ===== ADMIN TOOLBAR ===== */
.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.admin-toolbar .btn.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(0.75rem);
  background: #1e293b;
  color: #f8fafc;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
  white-space: nowrap;
  max-width: calc(100vw - 2rem);
  text-align: center;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.toast.toast-error {
  background: var(--color-danger);
}