/* =============================================================================
   Trans Power Trading W.L.L — Production Management App
   Mobile-First Design System  |  app.css
   ============================================================================= */

/* -----------------------------------------------------------------------------
   1. CSS Custom Properties
   ----------------------------------------------------------------------------- */
:root {
  --navy:         #1a3353;
  --navy-dark:    #122540;
  --navy-light:   #2a4a6e;
  --navy-faint:   #e8f0f8;
  --amber:        #e8961e;
  --amber-light:  #f5a832;
  --amber-faint:  #fef3dc;
  --success:      #28a745;
  --success-faint:#e8f5e9;
  --warning:      #f59e0b;
  --warning-faint:#fffbeb;
  --danger:       #dc3545;
  --danger-faint: #fdecea;
  --info:         #17a2b8;
  --info-faint:   #e3f7fa;
  --bg:           #f0f4f8;
  --surface:      #ffffff;
  --border:       #e2e8f0;
  --border-dark:  #cbd5e0;
  --text:         #1a202c;
  --text-muted:   #718096;
  --text-light:   #a0aec0;
  --sidebar-w:    240px;
  --topbar-h:     60px;
  --radius:       10px;
  --radius-sm:    6px;
  --radius-lg:    16px;
  --shadow:       0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.14);
  --transition:   0.18s ease;
  --font-sans:    'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* -----------------------------------------------------------------------------
   2. Reset & Base
   ----------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--amber);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--amber-light);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
}

input,
select,
textarea {
  font-family: inherit;
}

/* -----------------------------------------------------------------------------
   3. Typography
   ----------------------------------------------------------------------------- */
h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
}

h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.35;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

h5 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

h6 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

p {
  margin-bottom: 0.75rem;
}

p:last-child {
  margin-bottom: 0;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 4px;
}

.section-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.text-muted  { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger)  !important; }
.text-warning { color: var(--warning) !important; }
.text-navy    { color: var(--navy)    !important; }
.text-amber   { color: var(--amber)   !important; }
.text-sm      { font-size: 0.85rem; }
.text-xs      { font-size: 0.75rem; }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background-color: var(--navy-faint);
  color: var(--navy);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background-color: var(--navy);
  color: #e2e8f0;
  padding: 16px;
  border-radius: var(--radius);
  overflow-x: auto;
  line-height: 1.6;
}

pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

/* -----------------------------------------------------------------------------
   4. Layout
   ----------------------------------------------------------------------------- */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  min-height: 100vh;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  background-color: var(--navy);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  box-shadow: var(--shadow-md);
  grid-column: 1 / -1;
}

.sidebar {
  position: fixed;
  left: 0;
  top: var(--topbar-h);
  width: var(--sidebar-w);
  height: calc(100vh - var(--topbar-h));
  background-color: var(--navy);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 90;
  display: flex;
  flex-direction: column;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--navy-light);
  border-radius: 2px;
}

.main-content {
  margin-left: var(--sidebar-w);
  margin-top: var(--topbar-h);
  padding: 24px;
  min-height: calc(100vh - var(--topbar-h));
  grid-column: 2;
  grid-row: 2;
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.flex         { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center  { display: flex; justify-content: center; align-items: center; }
.flex-gap     { display: flex; gap: 12px; align-items: center; }
.flex-wrap    { display: flex; flex-wrap: wrap; gap: 8px; }

/* -----------------------------------------------------------------------------
   5. Topbar Content
   ----------------------------------------------------------------------------- */
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #ffffff;
}

.topbar-brand .brand-circle {
  width: 36px;
  height: 36px;
  background-color: var(--amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.topbar-brand span {
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
  white-space: nowrap;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.notif-bell {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  position: relative;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), background var(--transition);
}

.notif-bell:hover {
  color: #ffffff;
  background-color: var(--navy-light);
}

.notif-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background-color: var(--danger);
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
  pointer-events: none;
}

.notif-badge[data-count="0"],
.notif-badge:empty {
  display: none;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--navy-light);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  border: 2px solid rgba(255,255,255,0.2);
  transition: border-color var(--transition);
  flex-shrink: 0;
  user-select: none;
}

.user-avatar:hover {
  border-color: var(--amber);
}

/* -----------------------------------------------------------------------------
   6. Sidebar Navigation
   ----------------------------------------------------------------------------- */
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: rgba(255,255,255,0.80);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  border-left: 3px solid transparent;
  position: relative;
}

.sidebar-nav a:hover {
  background-color: var(--navy-light);
  color: #ffffff;
}

.sidebar-nav a.active {
  border-left-color: var(--amber);
  color: var(--amber);
  background-color: var(--navy-light);
  font-weight: 600;
}

.sidebar-nav .nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.sidebar-section {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.35);
  padding: 16px 20px 4px;
  pointer-events: none;
  user-select: none;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: auto;
}

.sidebar-footer .user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer .logout-link {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  transition: color var(--transition);
}

.sidebar-footer .logout-link:hover {
  color: var(--danger);
}

.role-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: #ffffff;
  background-color: var(--navy-light);
}

/* -----------------------------------------------------------------------------
   7. Cards
   ----------------------------------------------------------------------------- */
.card {
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background-color: var(--bg);
  border-radius: 0 0 var(--radius) var(--radius);
}

.stat-card {
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  overflow: hidden;
  position: relative;
}

.stat-card .stat-content {
  flex: 1;
  min-width: 0;
}

.stat-card .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.3rem;
}

.stat-card .stat-icon.navy    { background-color: var(--navy-faint); color: var(--navy); }
.stat-card .stat-icon.amber   { background-color: var(--amber-faint); color: var(--amber); }
.stat-card .stat-icon.success { background-color: var(--success-faint); color: var(--success); }
.stat-card .stat-icon.danger  { background-color: var(--danger-faint); color: var(--danger); }
.stat-card .stat-icon.warning { background-color: var(--warning-faint); color: var(--warning); }
.stat-card .stat-icon.info    { background-color: var(--info-faint); color: var(--info); }

.stat-card .stat-trend {
  font-size: 0.75rem;
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* -----------------------------------------------------------------------------
   8. Buttons
   ----------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), opacity var(--transition),
              border-color var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  user-select: none;
  vertical-align: middle;
}

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

.btn-primary:hover {
  background-color: var(--navy-dark);
  color: #ffffff;
}

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

.btn-amber:hover {
  background-color: var(--amber-light);
  color: #ffffff;
}

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

.btn-success:hover {
  background-color: #219a38;
  color: #ffffff;
}

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

.btn-danger:hover {
  background-color: #c82333;
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}

.btn-outline:hover {
  background-color: var(--navy);
  color: #ffffff;
}

.btn-outline-danger {
  background-color: transparent;
  color: var(--danger);
  border: 1.5px solid var(--danger);
}

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

.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
  border: none;
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1rem;
}

.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.btn-icon.btn-sm {
  width: 28px;
  height: 28px;
  padding: 4px;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn.loading {
  opacity: 0.75;
  cursor: not-allowed;
  pointer-events: none;
  position: relative;
}

.btn.loading::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 4px;
  flex-shrink: 0;
}

.btn.loading.btn-outline::before,
.btn.loading.btn-ghost::before {
  border-color: rgba(26,51,83,0.3);
  border-top-color: var(--navy);
}

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

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 5px;
  color: var(--text);
}

.form-label.required::after {
  content: ' *';
  color: var(--danger);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  background-color: var(--surface);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26,51,83,0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-light);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(220,53,69,0.1);
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.form-error {
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: 4px;
  font-weight: 500;
}

.form-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.form-row .form-group {
  flex: 1;
  min-width: 0;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--navy);
  flex-shrink: 0;
}

/* -----------------------------------------------------------------------------
   10. Tables
   ----------------------------------------------------------------------------- */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background-color: var(--surface);
}

.table th {
  background-color: var(--navy);
  color: #ffffff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.table th:first-child {
  border-radius: var(--radius) 0 0 0;
}

.table th:last-child {
  border-radius: 0 var(--radius) 0 0;
}

.table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}

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

.table tbody tr:hover td {
  background-color: var(--navy-faint);
}

.table .actions {
  display: flex;
  gap: 6px;
  white-space: nowrap;
  align-items: center;
}

.table .text-right,
.table th.text-right {
  text-align: right;
}

/* -----------------------------------------------------------------------------
   11. Badges and Pills
   ----------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-success { background-color: var(--success-faint); color: var(--success); }
.badge-warning { background-color: var(--warning-faint); color: #92610a; }
.badge-danger  { background-color: var(--danger-faint);  color: var(--danger);  }
.badge-info    { background-color: var(--info-faint);    color: #0d7a8e;        }
.badge-navy    { background-color: var(--navy-faint);    color: var(--navy);    }
.badge-amber   { background-color: var(--amber-faint);   color: #9a5f0a;        }
.badge-muted   { background-color: var(--border);        color: var(--text-muted); }

.priority-high   { background-color: var(--danger-faint);  color: var(--danger);  }
.priority-medium { background-color: var(--warning-faint); color: #92610a;        }
.priority-low    { background-color: var(--success-faint); color: var(--success); }

.stage-pending {
  background-color: var(--border);
  color: var(--text-muted);
}

.stage-active {
  background-color: var(--info-faint);
  color: #0d7a8e;
}

.stage-done {
  background-color: var(--success-faint);
  color: var(--success);
}

.stage-skipped {
  background-color: transparent;
  color: var(--text-light);
  text-decoration: line-through;
  border: 1px solid var(--border);
}

/* -----------------------------------------------------------------------------
   12. Pipeline Bar
   ----------------------------------------------------------------------------- */
.pipeline-bar {
  display: flex;
  overflow-x: auto;
  gap: 0;
  padding: 12px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.pipeline-bar::-webkit-scrollbar {
  display: none;
}

.pipeline-stage {
  flex-shrink: 0;
  position: relative;
  text-align: center;
  min-width: 80px;
  padding: 7px 10px 7px 18px;
  font-size: 0.72rem;
  font-weight: 600;
  background-color: var(--border);
  color: var(--text-muted);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%, 12px 50%);
  margin-right: 2px;
  transition: background var(--transition), color var(--transition);
}

.pipeline-stage:first-child {
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%);
  padding-left: 12px;
}

.pipeline-stage:last-child {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 12px 50%);
  margin-right: 0;
}

.pipeline-stage.pending {
  background-color: var(--border);
  color: var(--text-muted);
}

.pipeline-stage.active {
  background-color: var(--navy);
  color: #ffffff;
  box-shadow: var(--shadow);
  z-index: 1;
}

.pipeline-stage.done {
  background-color: var(--success);
  color: #ffffff;
}

.pipeline-stage.done::after {
  content: ' ✓';
  font-size: 0.65rem;
}

.pipeline-stage.skipped {
  background-color: transparent;
  color: var(--text-light);
  border: 1px solid var(--border-dark);
  text-decoration: line-through;
}

/* -----------------------------------------------------------------------------
   13. Modal
   ----------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  padding: 16px;
}

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

.modal {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition);
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: color var(--transition), background var(--transition);
}

.modal-close:hover {
  color: var(--danger);
  background-color: var(--danger-faint);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex-grow: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
  background-color: var(--bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* -----------------------------------------------------------------------------
   14. Toast Notifications
   ----------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  pointer-events: none;
}

.toast {
  background-color: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 14px 18px;
  min-width: 280px;
  max-width: 380px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-left: 4px solid var(--info);
  animation: slideIn 0.25s ease forwards;
  pointer-events: all;
  position: relative;
}

.toast-success { border-left-color: var(--success); }
.toast-error   { border-left-color: var(--danger);  }
.toast-warning { border-left-color: var(--warning); }
.toast-info    { border-left-color: var(--info);    }

.toast-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error   .toast-icon { color: var(--danger);  }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info    .toast-icon { color: var(--info);    }

.toast-message {
  flex-grow: 1;
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.45;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 0 0 0 4px;
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  transition: color var(--transition);
  margin-left: auto;
}

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

@keyframes slideIn {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

@keyframes slideOut {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(110%); opacity: 0; }
}

.toast.removing {
  animation: slideOut 0.2s ease forwards;
}

/* -----------------------------------------------------------------------------
   15. Loading States
   ----------------------------------------------------------------------------- */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2.5px solid var(--border-dark);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.spinner-sm {
  width: 14px;
  height: 14px;
  border-width: 2px;
}

.spinner-lg {
  width: 36px;
  height: 36px;
  border-width: 3px;
}

.spinner-white {
  border-color: rgba(255,255,255,0.3);
  border-top-color: #ffffff;
}

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

.skeleton {
  display: block;
  background: linear-gradient(90deg, #e2e8f0 25%, #f0f4f8 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 14px;
  border-radius: 3px;
  margin-bottom: 8px;
}

.skeleton-text.short { width: 60%; }
.skeleton-text.medium { width: 80%; }
.skeleton-text.full { width: 100%; }

.skeleton-circle {
  border-radius: 50%;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.skeleton-btn {
  height: 36px;
  width: 100px;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0%   { background-position:  200% 0; }
  100% { background-position: -200% 0; }
}

.page-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  flex-direction: column;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* -----------------------------------------------------------------------------
   16. Comments Section
   ----------------------------------------------------------------------------- */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comment {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.comment-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--navy);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  user-select: none;
}

.comment-bubble {
  flex-grow: 1;
  background-color: var(--bg);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 10px 14px;
  min-width: 0;
}

.comment-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.comment-meta .comment-author {
  font-weight: 600;
  color: var(--navy);
}

.comment-text {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.5;
  word-break: break-word;
}

.comment-form {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  align-items: flex-start;
}

.comment-form .form-input {
  flex: 1;
  border-radius: 20px;
  padding: 8px 14px;
}

/* -----------------------------------------------------------------------------
   17. Voice Message
   ----------------------------------------------------------------------------- */
.voice-message {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--navy-faint);
  border-radius: 20px;
  padding: 8px 16px;
  max-width: 300px;
}

.play-btn {
  width: 32px;
  height: 32px;
  background-color: var(--navy);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.8rem;
  transition: background var(--transition);
}

.play-btn:hover {
  background-color: var(--navy-light);
}

.waveform {
  flex-grow: 1;
  height: 24px;
  display: flex;
  align-items: center;
  gap: 2px;
}

.waveform-bar {
  width: 2px;
  background-color: var(--navy);
  opacity: 0.4;
  border-radius: 1px;
  transition: opacity var(--transition);
}

.voice-message.playing .waveform-bar {
  opacity: 0.8;
}

.voice-duration {
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* -----------------------------------------------------------------------------
   18. Photo Grid
   ----------------------------------------------------------------------------- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}

.photo-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  background-color: var(--border);
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
  display: block;
}

.photo-thumb:hover img {
  transform: scale(1.05);
}

.photo-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0,0,0,0.42);
  opacity: 0;
  transition: opacity 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.4rem;
}

.photo-thumb:hover .photo-overlay {
  opacity: 1;
}

.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.92);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 20px;
}

.lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.lightbox-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

/* -----------------------------------------------------------------------------
   19. Upload Zone
   ----------------------------------------------------------------------------- */
.upload-zone {
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--navy);
  background-color: var(--navy-faint);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-zone .upload-icon {
  font-size: 2.2rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: block;
}

.upload-zone p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
}

.upload-zone p strong {
  color: var(--navy);
}

.upload-zone .upload-hint {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* -----------------------------------------------------------------------------
   20. Mobile Bottom Navigation
   ----------------------------------------------------------------------------- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  display: none;
  z-index: 200;
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
}

.bottom-nav-items {
  display: flex;
  justify-content: space-around;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 4px;
  min-width: 60px;
  flex: 1;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.65rem;
  gap: 3px;
  position: relative;
  transition: color var(--transition);
}

.bottom-nav-item.active {
  color: var(--navy);
}

.bottom-nav-item .nav-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.bottom-nav-badge {
  position: absolute;
  top: 4px;
  right: calc(50% - 18px);
  background-color: var(--danger);
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}

/* -----------------------------------------------------------------------------
   21. Login Page
   ----------------------------------------------------------------------------- */
.login-page {
  min-height: 100vh;
  background-color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background-image: radial-gradient(ellipse at 20% 50%, rgba(42,74,110,0.6) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 20%, rgba(232,150,30,0.08) 0%, transparent 50%);
}

.login-card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 440px;
  max-width: 100%;
  padding: 40px;
}

.login-logo {
  width: 64px;
  height: 64px;
  background-color: var(--navy);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 20px;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(26,51,83,0.3);
}

.login-title {
  text-align: center;
  color: var(--navy);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 28px;
}

.quick-fill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.quick-fill-btn {
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  text-align: center;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-fill-btn:hover {
  background-color: var(--navy);
  color: #ffffff;
  border-color: var(--navy);
}

/* -----------------------------------------------------------------------------
   22. Responsive Breakpoints
   ----------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .sidebar     { display: none; }
  .bottom-nav  { display: flex; }
  .main-content {
    margin-left: 0;
    padding: 16px;
    padding-bottom: 80px;
  }
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
  }
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .stat-cards-grid {
    grid-template-columns: 1fr 1fr;
  }
  .modal {
    max-width: 100%;
    margin: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }
  .topbar-brand span {
    display: none;
  }
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .toast-container {
    left: 12px;
    right: 12px;
    bottom: 80px;
    align-items: stretch;
  }
  .toast {
    min-width: unset;
    max-width: 100%;
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .login-card {
    padding: 28px 20px;
  }
  .page-title {
    font-size: 1.35rem;
  }
}

@media (max-width: 480px) {
  .stat-cards-grid {
    grid-template-columns: 1fr;
  }
  .quick-fill-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pipeline-stage {
    min-width: 64px;
    font-size: 0.65rem;
    padding: 6px 8px 6px 16px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .stat-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-content {
    padding: 20px;
  }
}

/* -----------------------------------------------------------------------------
   23. Print Styles
   ----------------------------------------------------------------------------- */
@media print {
  .sidebar,
  .topbar,
  .bottom-nav,
  .btn,
  .toast-container,
  .modal-overlay,
  .no-print {
    display: none !important;
  }

  .main-content {
    margin: 0;
    padding: 0;
  }

  body {
    background: white;
    color: black;
    font-size: 11pt;
    line-height: 1.5;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  h1, h2, h3 {
    color: #1a3353;
  }

  .page-break {
    page-break-before: always;
  }

  .no-break {
    page-break-inside: avoid;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .table th {
    background-color: #1a3353 !important;
    color: white !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .signature-box {
    border-bottom: 1px solid #000;
    width: 200px;
    margin-top: 40px;
    display: inline-block;
  }
}

/* -----------------------------------------------------------------------------
   24. Utility Classes
   ----------------------------------------------------------------------------- */
/* Spacing — margin-top */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 16px !important; }
.mt-4 { margin-top: 24px !important; }
.mt-5 { margin-top: 32px !important; }

/* Spacing — margin-bottom */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 16px !important; }
.mb-4 { margin-bottom: 24px !important; }
.mb-5 { margin-bottom: 32px !important; }

/* Spacing — padding */
.p-0 { padding: 0 !important; }
.p-1 { padding: 4px !important; }
.p-2 { padding: 8px !important; }
.p-3 { padding: 16px !important; }
.p-4 { padding: 24px !important; }

/* Spacing — padding-x */
.px-0 { padding-left: 0 !important;    padding-right: 0 !important; }
.px-1 { padding-left: 4px !important;  padding-right: 4px !important; }
.px-2 { padding-left: 8px !important;  padding-right: 8px !important; }
.px-3 { padding-left: 16px !important; padding-right: 16px !important; }
.px-4 { padding-left: 24px !important; padding-right: 24px !important; }

/* Spacing — padding-y */
.py-0 { padding-top: 0 !important;    padding-bottom: 0 !important; }
.py-1 { padding-top: 4px !important;  padding-bottom: 4px !important; }
.py-2 { padding-top: 8px !important;  padding-bottom: 8px !important; }
.py-3 { padding-top: 16px !important; padding-bottom: 16px !important; }
.py-4 { padding-top: 24px !important; padding-bottom: 24px !important; }

/* Display */
.d-none  { display: none !important; }
.d-flex  { display: flex !important; }
.d-block { display: block !important; }
.d-grid  { display: grid !important; }

/* Text alignment */
.text-left   { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right  { text-align: right !important; }

/* Width */
.w-100  { width: 100% !important; }
.w-auto { width: auto !important; }
.w-50   { width: 50% !important; }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* Text overflow */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Cursor */
.clickable { cursor: pointer; }
.no-select { user-select: none; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }

/* Alignment helpers */
.align-center { align-items: center !important; }
.justify-end   { justify-content: flex-end !important; }
.gap-1  { gap: 4px !important; }
.gap-2  { gap: 8px !important; }
.gap-3  { gap: 16px !important; }
.gap-4  { gap: 24px !important; }

/* Font weight */
.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-bold   { font-weight: 700 !important; }

/* Border radius */
.rounded    { border-radius: var(--radius) !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-full { border-radius: 9999px !important; }

/* Background helpers */
.bg-navy-faint   { background-color: var(--navy-faint) !important; }
.bg-amber-faint  { background-color: var(--amber-faint) !important; }
.bg-success-faint { background-color: var(--success-faint) !important; }
.bg-danger-faint  { background-color: var(--danger-faint) !important; }
.bg-surface       { background-color: var(--surface) !important; }

/* Shadow utilities */
.shadow    { box-shadow: var(--shadow) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-none { box-shadow: none !important; }

/* Visibility */
.invisible { visibility: hidden; }
.visible   { visibility: visible; }

/* Position helpers */
.position-relative { position: relative; }
.position-absolute { position: absolute; }