/* Reusable components */

/* Cards */
.card {
  background: var(--surf);
  border: 1px solid var(--border);
  border-radius: var(--rad-lg);
  padding: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  position: relative;
}

.card:hover {
  border-color: var(--border-glow);
}

/* Card inner header row */
.card-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 8px;
  flex-wrap: wrap;
}

.card-title-sm {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  color: var(--text-dim);
}

.card-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
}

/* Section label */
.section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: var(--text-muted);
  margin: 20px 0 9px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  background: var(--surf-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--rad-md);
  padding: 9px 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* Form grids */
.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

/* Pill selects / mini controls */
.pill-select {
  padding: 4px 9px;
  border-radius: var(--rad-md);
  border: 1px solid var(--border);
  background: var(--surf-elevated);
  color: var(--text-primary);
  font-size: 11px;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
}

.pill-input {
  background: var(--surf-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--rad-sm);
  padding: 5px 8px;
  font-size: 12px;
  font-family: var(--font-sans);
  outline: none;
}

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

/* Pill badges */
.pill-badge {
  font-size: 10px;
  padding: 2px 9px;
  border-radius: 20px;
  background: var(--surf-elevated);
  color: var(--text-dim);
  font-weight: 600;
  white-space: nowrap;
}

.pill-badge.danger { background: rgba(196,58,42,.12); color: var(--danger); }
.pill-badge.success { background: rgba(42,158,95,.12); color: #2a9e5f; }
.pill-badge.warn { background: rgba(212,126,26,.12); color: var(--warning); }

/* Perf info badge */
.perf-info-badge {
  font-size: 10px;
  color: var(--text-dim);
  padding: 3px 9px;
  background: var(--surf-elevated);
  border-radius: var(--rad-sm);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
}

.perf-info-badge b { color: var(--text-primary); }

/* 5-stat performance grid */
.perf-5grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 9px;
  margin-bottom: 12px;
}

.pstat {
  background: var(--surf-elevated);
  border-radius: var(--rad-md);
  padding: 11px 8px;
  text-align: center;
  border: 1px solid var(--border);
}

.pval {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 3px;
  color: var(--text-primary);
}

.pval-blue { color: var(--primary); }
.pval-accent { color: var(--accent); }
.pval-warn { color: var(--warning); }
.pval-green { color: #2a9e5f; }
.pval-danger { color: var(--danger); }
.pval-purple { color: #9b59b6; }

.plbl { font-size: 9px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.psub { font-size: 9px; color: var(--text-dim); margin-top: 2px; }

/* Progress bar */
.prog-bar-bg {
  width: 100%;
  height: 8px;
  background: var(--surf-elevated);
  border-radius: 5px;
  overflow: hidden;
}

.prog-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.6s ease;
}

/* Mode bar */
.mode-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.mode-pills {
  display: flex;
  background: var(--surf-elevated);
  border: 1px solid var(--border);
  border-radius: var(--rad-md);
  overflow: hidden;
}

.mode-pill {
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.mode-pill.active { background: var(--primary); color: white; }
.mode-pill.active.rev { background: #9b59b6; }

.mode-badge {
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(92,107,192,.12);
  color: var(--primary);
  font-weight: 700;
}

.mode-badge.rev { background: rgba(155,89,182,.12); color: #9b59b6; }

/* Tab bar */
.tab-bar {
  display: flex;
  gap: 2px;
  background: var(--surf-elevated);
  border-radius: var(--rad-md);
  padding: 3px;
  border: 1px solid var(--border);
}

.tab-btn {
  padding: 4px 11px;
  border-radius: calc(var(--rad-md) - 2px);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.tab-btn.active {
  background: var(--surf);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}

/* Data table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.data-table th {
  text-align: left;
  padding: 7px 8px;
  color: var(--text-muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 8px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surf-elevated); }

/* Type tags */
.type-tag {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 20px;
  font-size: 9px;
  font-weight: 700;
}

.tag-study { background: var(--surf-elevated); color: var(--text-muted); }
.tag-rev { background: rgba(42,158,95,.1); color: #2a9e5f; }

/* Revision pill badges */
.rev-pill { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 9px; font-weight: 700; text-transform: uppercase; }
.rev-done { background: rgba(42,158,95,.1); color: #2a9e5f; }
.rev-prog { background: rgba(212,126,26,.1); color: var(--warning); }
.rev-pend { background: var(--surf-elevated); color: var(--text-muted); }

/* Delete / Restore buttons */
.del-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 9px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: var(--font-sans);
}

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

.res-btn {
  background: transparent;
  border: 1px solid rgba(42,158,95,.4);
  color: #2a9e5f;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 9px;
  cursor: pointer;
  font-family: var(--font-sans);
}

/* Insights grid */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
}

.ibox {
  background: var(--surf-elevated);
  border-radius: var(--rad-md);
  padding: 12px;
  border: 1px solid var(--border);
}

.ilbl { font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 4px; }
.ival { font-family: var(--font-display); font-size: 16px; font-weight: 700; }
.isub { font-size: 10px; color: var(--text-dim); margin-top: 2px; }

/* Modal box */
.modal-box {
  background: var(--surf);
  border: 1px solid var(--border);
  border-radius: var(--rad-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  padding: 24px;
  max-width: 380px;
  width: 90%;
}

.modal-box h3 { font-size: 15px; font-weight: 800; margin-bottom: 8px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--rad-md);
  font-weight: 600;
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(145deg, var(--primary), #7986cb);
  color: white;
  box-shadow: 0 4px 12px var(--primary-glow);
}

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

.btn-secondary {
  background: var(--surf-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: rgba(255,255,255,0.05); border-color: var(--text-dim); }

.btn-danger {
  background: rgba(239,83,80,.1);
  color: var(--danger);
  border: 1px solid rgba(239,83,80,.3);
}

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

/* Auth Split-Screen and Glassmorphic Styling */
#auth-root {
  padding: 0 !important;
  display: flex !important;
  min-height: 100vh;
}

.auth-page-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
  background: var(--bg-color);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(92, 107, 192, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(42, 157, 143, 0.05) 0%, transparent 45%);
}

.auth-splash-banner {
  flex: 1.2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 80px;
  background: linear-gradient(145deg, rgba(19, 21, 26, 0.95), rgba(13, 14, 18, 0.98));
  border-right: 1px solid var(--border);
  position: relative;
  overflow-y: auto;
}

.auth-form-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow-y: auto;
}

.auth-box {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

.auth-header {
  text-align: left;
  margin-bottom: 24px;
}

.auth-header h1 { 
  font-size: 26px; 
  font-weight: 800;
  margin-bottom: 6px; 
}

/* Custom Tabs inside Auth Card */
.form-cols {
  margin-bottom: 24px;
  display: flex;
  gap: 8px;
  background: var(--surf-elevated);
  padding: 4px;
  border-radius: var(--rad-md);
  border: 1px solid var(--border);
}

.form-cols .btn {
  flex: 1;
  border: none !important;
  padding: 10px !important;
  font-size: 12.5px !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  transition: all 0.2s ease;
  box-shadow: none !important;
}

.form-cols .btn-secondary {
  background: transparent !important;
  border: none !important;
  color: var(--text-dim) !important;
}

.form-cols .btn-secondary:hover {
  color: var(--text-primary) !important;
  background: rgba(255,255,255,0.02) !important;
}

/* Input Focus Glows and Transitions */
.auth-form-panel .form-control {
  border-color: var(--border);
  background: rgba(0, 0, 0, 0.25);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-form-panel .form-control:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 12px var(--primary-glow) !important;
  background: rgba(0, 0, 0, 0.4) !important;
}

@media (max-width: 991px) {
  .auth-splash-banner {
    display: none !important;
  }
  .auth-form-panel {
    flex: 1;
    width: 100%;
    padding: 24px;
  }
  .auth-box {
    margin: 40px auto !important;
    max-width: 440px !important;
  }
}

/* Toasts */
.toast-item {
  background: var(--surf-elevated);
  border: 1px solid var(--border);
  color: white;
  padding: 12px 18px;
  border-radius: var(--rad-sm);
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-err { border-left: 3px solid var(--danger); }
.toast-ok { border-left: 3px solid #2a9e5f; }
.toast-info { border-left: 3px solid var(--primary); }

/* Grid systems */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }

/* Status Badges (old compat) */
.badge {
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-info { background: rgba(92,107,192,.1); color: var(--primary); border: 1px solid rgba(92,107,192,.2); }
.badge-success { background: rgba(42,158,95,.1); color: #2a9e5f; border: 1px solid rgba(42,158,95,.2); }

/* Progress bars (old compat) */
.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: var(--surf-elevated);
  border-radius: 5px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.5s ease;
}

/* Glassmorphism utility */
.glass {
  background: var(--surf-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.05);
}

/* Spinner */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s infinite linear;
  margin: 0 auto 16px;
}

.screen-center {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--text-dim);
}

.fade-in { animation: fadeIn 0.4s ease forwards; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.text-danger { color: var(--danger) !important; }
.text-dim { color: var(--text-dim) !important; }

/* Responsive tweaks */
@media (max-width: 1100px) {
  .insights-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .perf-5grid { grid-template-columns: repeat(3, 1fr); }
  .form-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .perf-5grid { grid-template-columns: repeat(2, 1fr); }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid-3 { grid-template-columns: 1fr; }
  .card { padding: 14px; }
}

/* ── Quick-Add FAB Menu ── */
.fab-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-end;
  gap: 12px;
  pointer-events: none;
}

.fab-trigger {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #8e2de2);
  color: white;
  border: none;
  box-shadow: 0 6px 20px rgba(92, 107, 192, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  pointer-events: auto;
}

.fab-trigger:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 24px rgba(92, 107, 192, 0.5);
  background: linear-gradient(135deg, #7986cb, #9c27b0);
}

.fab-trigger.open {
  transform: rotate(135deg);
  background: var(--danger);
  box-shadow: 0 6px 20px rgba(239, 83, 80, 0.4);
}

.fab-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.95);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.fab-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.fab-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surf-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 30px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  outline: none;
}

.fab-item:hover {
  background: var(--surf-elevated);
  border-color: var(--border-glow);
  transform: translateX(-4px);
}

.fab-item .fab-icon {
  font-size: 14px;
}

/* Responsive Grid Classes for Planner */
.planner-grid-7 {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.planner-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 768px) {
  .planner-grid-7 {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }
}

@media (max-width: 500px) {
  .planner-grid-7 {
    grid-template-columns: repeat(2, 1fr);
  }
  .planner-grid-3 {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* Compact Calendar Cells on Mobile Viewports */
@media (max-width: 640px) {
  .cal-cell {
    min-height: 48px !important;
    padding: 2px !important;
    gap: 2px !important;
  }
  
  .cal-cell-empty {
    min-height: 48px !important;
  }
  
  /* Cells display dots next to each other instead of stacked texts */
  .cal-cell > div:nth-child(2) {
    flex-direction: row !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 3px !important;
  }
  
  .cal-act-badge {
    font-size: 0 !important;
    width: 6px !important;
    height: 6px !important;
    border-radius: 50% !important;
    background-color: var(--subj-color) !important;
    padding: 0 !important;
    margin: 2px 0 !important;
    border: none !important;
    display: inline-block !important;
  }
  
  .cal-plan-badge {
    font-size: 0 !important;
    width: 6px !important;
    height: 6px !important;
    border-radius: 50% !important;
    background-color: transparent !important;
    border: 1.5px dashed var(--subj-color) !important;
    padding: 0 !important;
    margin: 2px 0 !important;
    display: inline-block !important;
  }
}