/* ==========================================================
   🏛️ Family Hisab - Application Styles
   Path: /public/css/app.css
   ========================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem;
  width: 100%;
}

/* ==========================================================
   HEADER & NAVBAR
   ========================================================== */
.app-header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  max-width: 1080px;
  margin: 0 auto;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  font-size: 1.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Navigation Tabs */
.nav-tabs {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-tabs::-webkit-scrollbar {
  display: none;
}

.tabs-container {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  max-width: 1080px;
  margin: 0 auto;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.tab-btn.active {
  background-color: var(--brand-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================
   BUTTONS & CONTROLS
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 8px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.btn-icon:hover {
  background-color: var(--bg-card-hover);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.btn-danger {
  background-color: var(--status-deficit-bg);
  color: var(--status-deficit-text);
  border-color: var(--status-deficit-text);
}

.btn-danger:hover {
  background-color: var(--status-deficit);
  color: #ffffff;
}

.btn-success {
  background-color: var(--status-surplus-bg);
  color: var(--status-surplus-text);
  border-color: var(--status-surplus-text);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  border: none;
}

.btn-whatsapp:hover {
  background-color: #20ba5a;
}

/* ==========================================================
   CARDS & KPI WIDGETS
   ========================================================== */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Main Top Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.1rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
}

.kpi-card.highlight-cash {
  border-color: var(--status-surplus);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
  box-shadow: 0 0 15px var(--glow-cash);
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.kpi-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Brother Status Cards Grid */
.brothers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.brother-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.brother-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.brother-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.brother-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.brother-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.brother-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background-color: var(--bg-secondary);
  padding: 0.85rem;
  border-radius: 10px;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border-subtle);
}

.brother-metric-item span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.brother-metric-item strong {
  font-size: 1.15rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  display: block;
  margin-top: 0.2rem;
}

.brother-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================
   BADGES & PILLS
   ========================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  line-height: 1.3;
}

.badge-surplus {
  background-color: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.4);
}

.badge-deficit {
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-settled {
  background-color: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.badge-inflow {
  background-color: rgba(34, 197, 94, 0.15);
  color: #22c55e;
}

.badge-expense {
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

/* ==========================================================
   FORMS & INPUTS
   ========================================================== */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  background-color: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

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

select.form-control option {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.chip-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
}

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

/* ==========================================================
   TABLES & DATA MATRIX
   ========================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

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

.data-table tr:last-child td {
  border-bottom: none;
}

/* ==========================================================
   TRANSACTION LIST & TIMELINE
   ========================================================== */
.tx-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tx-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: background-color 0.15s ease;
}

.tx-item:hover {
  background-color: var(--bg-card-hover);
}

.tx-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tx-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.tx-icon.inflow {
  background-color: var(--status-surplus-bg);
  color: var(--status-surplus-text);
}

.tx-icon.expense {
  background-color: var(--status-deficit-bg);
  color: var(--status-deficit-text);
}

.tx-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.tx-amount {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
}

.tx-amount.inflow {
  color: var(--status-surplus-text);
}

.tx-amount.expense {
  color: var(--status-deficit-text);
}

.tx-actions {
  display: flex;
  gap: 0.35rem;
}

/* ==========================================================
   MODAL & TOAST
   ========================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-modal-overlay);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  max-width: 500px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

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

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background-color: var(--bg-card-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ==========================================================
   PIN LOCK SCREEN
   ========================================================== */
.pin-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-app);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.pin-screen.active {
  display: flex;
}

.pin-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.pin-box h2 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.pin-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.pin-input {
  letter-spacing: 8px;
  text-align: center;
  font-size: 1.75rem;
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

/* ==========================================================
   PRINT / PDF STYLES
   ========================================================== */
@media print {
  .app-header, .nav-tabs, .btn, .tx-actions, .filter-bar, .modal-overlay {
    display: none !important;
  }
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }
  .card, .kpi-card, .brother-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
}

/* Mobile Responsive */
@media (max-width: 640px) {
  .header-content {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .brothers-grid {
    grid-template-columns: 1fr;
  }
  .tx-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .tx-item-right {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
}