/* ============================================================
   styles.css — CapFlow Global Design System
   Dark industrial theme: deep grays + metallic blue accents
   Font: Rajdhani (display) + Source Code Pro (mono accents)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Source+Code+Pro:wght@400;600&family=Inter:wght@400;500&display=swap');

/* ── CSS Custom Properties ──────────────────────────────────── */
:root {
  /* Core palette */
  --color-bg-base:        #0e1117;
  --color-bg-surface:     #161b25;
  --color-bg-card:        #1c2333;
  --color-bg-card-header: #1a2030;
  --color-bg-input:       #111520;
  --color-bg-hover:       #212840;

  /* Metallic blue accents */
  --color-accent:         #4a9eff;
  --color-accent-dim:     #2d6bbf;
  --color-accent-glow:    rgba(74, 158, 255, 0.15);
  --color-accent-border:  rgba(74, 158, 255, 0.35);

  /* Text */
  --color-text-primary:   #dce4f0;
  --color-text-secondary: #7a8aab;
  --color-text-muted:     #4a556b;
  --color-text-inverse:   #0e1117;

  /* Borders */
  --color-border:         #252e42;
  --color-border-light:   #2e3a52;

  /* Semantic */
  --color-success:        #2ecc71;
  --color-success-dim:    rgba(46, 204, 113, 0.15);
  --color-danger:         #e74c3c;
  --color-danger-dim:     rgba(231, 76, 60, 0.15);
  --color-warning:        #f39c12;
  --color-teal:           #1abc9c;
  --color-teal-dim:       rgba(26, 188, 156, 0.15);

  /* Typography */
  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'Source Code Pro', monospace;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  /* Shadows */
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0,0,0,0.3);
  --shadow-input: inset 0 1px 3px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-md:   250ms ease;
}

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

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family:      var(--font-body);
  background-color: var(--color-bg-base);
  color:            var(--color-text-primary);
  min-height:       100vh;
  line-height:      1.6;

  /* Subtle grid overlay for industrial texture */
  background-image:
    linear-gradient(rgba(74,158,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,158,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.03em;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── App Shell ───────────────────────────────────────────────── */
#app {
  display:   flex;
  min-height: 100vh;
}

/* ── Sidebar Navigation ──────────────────────────────────────── */
.sidebar {
  width:            240px;
  background:       var(--color-bg-surface);
  border-right:     1px solid var(--color-border);
  display:          flex;
  flex-direction:   column;
  position:         fixed;
  top:              0;
  left:             0;
  height:           100vh;
  z-index:          100;
  overflow-y:       auto;
}

.sidebar__logo {
  padding:          var(--space-lg) var(--space-md);
  border-bottom:    1px solid var(--color-border);
  display:          flex;
  align-items:      center;
  gap:              var(--space-sm);
}

.sidebar__logo-mark {
  width:            36px;
  height:           36px;
  background:       var(--color-accent);
  clip-path:        polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display:          flex;
  align-items:      center;
  justify-content:  center;
  flex-shrink:      0;
}

.sidebar__logo-text {
  font-family: var(--font-display);
  font-size:   1.4rem;
  font-weight: 700;
  color:       var(--color-text-primary);
  letter-spacing: 0.05em;
}

.sidebar__logo-sub {
  font-size:  0.65rem;
  color:      var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display:    block;
  margin-top: -2px;
}

.sidebar__nav {
  flex: 1;
  padding: var(--space-md) 0;
}

.sidebar__section-label {
  font-size:      0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color:          var(--color-text-muted);
  padding:        var(--space-sm) var(--space-md) var(--space-xs);
  margin-top:     var(--space-sm);
}

.sidebar__link {
  display:        flex;
  align-items:    center;
  gap:            var(--space-sm);
  padding:        10px var(--space-md);
  color:          var(--color-text-secondary);
  font-family:    var(--font-display);
  font-weight:    500;
  font-size:      0.95rem;
  letter-spacing: 0.02em;
  transition:     background var(--transition-fast), color var(--transition-fast),
                  border-left var(--transition-fast);
  border-left:    3px solid transparent;
  cursor:         pointer;
}

.sidebar__link:hover {
  background:  var(--color-bg-hover);
  color:       var(--color-text-primary);
  text-decoration: none;
}

.sidebar__link--active {
  color:        var(--color-accent);
  background:   var(--color-accent-glow);
  border-left:  3px solid var(--color-accent);
}

.sidebar__link-icon { font-size: 1rem; width: 20px; text-align: center; }

/* ── Main Content Area ───────────────────────────────────────── */
.main-content {
  margin-left: 240px;
  flex:        1;
  padding:     var(--space-xl);
  max-width:   1400px;
}

/* ── Module Layout ───────────────────────────────────────────── */
.module {
  display:        flex;
  flex-direction: column;
  gap:            var(--space-lg);
}

/* ── Module Header ───────────────────────────────────────────── */
.module-header {
  display:     flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.module-header__left {
  display:     flex;
  align-items: center;
  gap:         var(--space-md);
}

.module-header__icon {
  font-size:   2rem;
  color:       var(--color-accent);
  line-height: 1;
  filter:      drop-shadow(0 0 8px var(--color-accent));
}

.module-header__title {
  font-size:      1.75rem;
  font-family:    var(--font-display);
  font-weight:    700;
  color:          var(--color-text-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.module-header__subtitle {
  font-size:  0.8rem;
  color:      var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.module-header__badge {
  font-family:    var(--font-mono);
  font-size:      0.75rem;
  color:          var(--color-accent);
  background:     var(--color-accent-glow);
  border:         1px solid var(--color-accent-border);
  border-radius:  var(--radius-sm);
  padding:        4px 12px;
  letter-spacing: 0.06em;
}

/* ── Card ────────────────────────────────────────────────────── */
.card {
  background:    var(--color-bg-card);
  border:        1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow:    var(--shadow-card);
  overflow:      hidden;
  /* Top accent line */
  border-top:    2px solid var(--color-accent-dim);
}

.card__header {
  display:          flex;
  align-items:      center;
  justify-content:  space-between;
  padding:          var(--space-md) var(--space-lg);
  background:       var(--color-bg-card-header);
  border-bottom:    1px solid var(--color-border);
}

.card__title {
  font-family:    var(--font-display);
  font-size:      1.05rem;
  font-weight:    600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color:          var(--color-text-primary);
  display:        flex;
  align-items:    center;
  gap:            var(--space-sm);
}

.card__title-icon {
  color:      var(--color-accent);
  font-size:  0.9rem;
}

/* ── Form Layout ─────────────────────────────────────────────── */
form {
  padding: var(--space-lg);
}

.form-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap:                   var(--space-md) var(--space-lg);
  align-items:           start;
}

.form-group { display: flex; flex-direction: column; gap: var(--space-xs); }
.form-group--wide { grid-column: span 2; }

.form-label {
  font-family:    var(--font-display);
  font-size:      0.8rem;
  font-weight:    600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color:          var(--color-text-secondary);
}

.required { color: var(--color-accent); margin-left: 2px; }

.form-input {
  background:    var(--color-bg-input);
  border:        1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  color:         var(--color-text-primary);
  font-family:   var(--font-body);
  font-size:     0.9rem;
  padding:       9px 12px;
  transition:    border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow:    var(--shadow-input);
  width:         100%;
  outline:       none;
}

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

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow:   0 0 0 3px var(--color-accent-glow), var(--shadow-input);
}

.form-input--error {
  border-color: var(--color-danger);
  box-shadow:   0 0 0 2px var(--color-danger-dim);
}

.form-input--sm { font-size: 0.85rem; padding: 7px 10px; }

/* Select */
.select-wrapper { position: relative; }
.form-select { appearance: none; cursor: pointer; padding-right: 32px; }
.select-wrapper::after {
  content:     '▾';
  position:    absolute;
  right:       12px;
  top:         50%;
  transform:   translateY(-50%);
  color:       var(--color-text-muted);
  pointer-events: none;
  font-size:   0.8rem;
}
.form-select option { background: var(--color-bg-card); color: var(--color-text-primary); }

/* Currency prefix input */
.input-prefix-wrapper {
  position: relative;
  display:  flex;
  align-items: stretch;
}

.input-prefix {
  background:    var(--color-bg-hover);
  border:        1px solid var(--color-border-light);
  border-right:  none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  color:         var(--color-text-muted);
  font-family:   var(--font-mono);
  font-size:     0.85rem;
  padding:       0 10px;
  display:       flex;
  align-items:   center;
  flex-shrink:   0;
}

.form-input--prefixed {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  flex:          1;
}

.form-hint {
  font-size:  0.75rem;
  color:      var(--color-text-muted);
  font-style: italic;
}

/* Textarea — shares form-input base styles */
.form-textarea {
  resize:     vertical;
  min-height: 80px;
  line-height: 1.5;
  font-family: var(--font-body);
}

/* Machine code chip — monospace, subtle accent */
.machine-code {
  font-family:    var(--font-mono);
  font-size:      0.78rem;
  font-weight:    600;
  color:          var(--color-accent);
  background:     var(--color-accent-glow);
  border:         1px solid var(--color-accent-border);
  border-radius:  var(--radius-sm);
  padding:        2px 8px;
  letter-spacing: 0.06em;
  white-space:    nowrap;
}

/* Notes column — muted, smaller, wraps gracefully */
.td-notes {
  font-size:  0.82rem;
  color:      var(--color-text-muted);
  max-width:  240px;
  line-height: 1.4;
}

.form-error {
  font-size:  0.75rem;
  color:      var(--color-danger);
  min-height: 16px;
}

.form-actions {
  display:     flex;
  gap:         var(--space-sm);
  padding-top: var(--space-md);
  border-top:  1px solid var(--color-border);
  margin-top:  var(--space-md);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display:        inline-flex;
  align-items:    center;
  justify-content: center;
  gap:            6px;
  font-family:    var(--font-display);
  font-weight:    600;
  font-size:      0.9rem;
  letter-spacing: 0.04em;
  padding:        9px 20px;
  border-radius:  var(--radius-md);
  border:         1px solid transparent;
  cursor:         pointer;
  transition:     background var(--transition-fast), box-shadow var(--transition-fast),
                  transform var(--transition-fast), opacity var(--transition-fast);
  text-transform: uppercase;
  white-space:    nowrap;
}

.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Primary */
.btn--primary {
  background:  var(--color-accent);
  color:       var(--color-text-inverse);
  border-color: var(--color-accent);
}
.btn--primary:hover:not(:disabled) {
  background:  #5badff;
  box-shadow:  0 0 12px var(--color-accent-glow);
}

/* Ghost */
.btn--ghost {
  background:   transparent;
  color:        var(--color-text-secondary);
  border-color: var(--color-border-light);
}
.btn--ghost:hover:not(:disabled) {
  background:  var(--color-bg-hover);
  color:       var(--color-text-primary);
  border-color: var(--color-border-light);
}

/* Danger ghost */
.btn--danger-ghost {
  background:   transparent;
  color:        var(--color-danger);
  border-color: rgba(231, 76, 60, 0.3);
}
.btn--danger-ghost:hover:not(:disabled) {
  background:  var(--color-danger-dim);
  border-color: var(--color-danger);
}

/* Danger solid — used for destructive actions like Delete */
.btn--danger {
  background:   var(--color-danger);
  color:        #fff;
  border-color: var(--color-danger);
}
.btn--danger:hover:not(:disabled) {
  background:   #c0392b;
  border-color: #c0392b;
  box-shadow:   0 0 10px var(--color-danger-dim);
}

/* Warning ghost — used for Deactivate (caution, not destructive) */
.btn--warning-ghost {
  background:   transparent;
  color:        var(--color-warning);
  border-color: rgba(243, 156, 18, 0.3);
}
.btn--warning-ghost:hover:not(:disabled) {
  background:   rgba(243, 156, 18, 0.1);
  border-color: var(--color-warning);
}

/* Success ghost */
.btn--success-ghost {
  background:   transparent;
  color:        var(--color-success);
  border-color: rgba(46, 204, 113, 0.3);
}
.btn--success-ghost:hover:not(:disabled) {
  background:  var(--color-success-dim);
  border-color: var(--color-success);
}

/* Sizes */
.btn--sm  { font-size: 0.8rem; padding: 6px 14px; }
.btn--xs  { font-size: 0.75rem; padding: 4px 10px; letter-spacing: 0.02em; }

.btn__icon { font-size: 0.9em; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display:        inline-flex;
  align-items:    center;
  padding:        3px 9px;
  border-radius:  20px;
  font-family:    var(--font-mono);
  font-size:      0.7rem;
  font-weight:    600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space:    nowrap;
}

.badge--blue  { background: rgba(74,158,255,0.15);  color: var(--color-accent); border: 1px solid rgba(74,158,255,0.3);  }
.badge--teal  { background: var(--color-teal-dim);   color: var(--color-teal);   border: 1px solid rgba(26,188,156,0.3);  }
.badge--green { background: var(--color-success-dim); color: var(--color-success); border: 1px solid rgba(46,204,113,0.3); }
.badge--gray  { background: rgba(74,85,107,0.2);     color: var(--color-text-muted); border: 1px solid rgba(74,85,107,0.3); }
.badge--red   { background: var(--color-danger-dim); color: var(--color-danger);  border: 1px solid rgba(231,76,60,0.3);   }

/* ── Table ───────────────────────────────────────────────────── */
.table-controls {
  display:     flex;
  align-items: center;
  gap:         var(--space-sm);
}

.table-wrapper {
  overflow-x: auto;
  padding:    0 var(--space-md) var(--space-md);
}

.data-table {
  width:           100%;
  border-collapse: separate;
  border-spacing:  0;
  font-size:       0.875rem;
}

.data-table thead th {
  font-family:    var(--font-display);
  font-size:      0.7rem;
  font-weight:    700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color:          var(--color-text-muted);
  padding:        12px 14px;
  border-bottom:  1px solid var(--color-border);
  background:     var(--color-bg-card-header);
  position:       sticky;
  top:            0;
  white-space:    nowrap;
}

.data-table thead th:first-child { border-radius: 0; }

.data-table tbody .table-row {
  border-bottom: 1px solid var(--color-border);
  transition:    background var(--transition-fast);
}

.data-table tbody .table-row:last-child { border-bottom: none; }

.data-table tbody .table-row:hover { background: var(--color-bg-hover); }

.data-table tbody .table-row--inactive { opacity: 0.55; }

.data-table td {
  padding: 11px 14px;
  color:   var(--color-text-primary);
  vertical-align: middle;
}

.td-name {
  font-weight: 500;
  color:       var(--color-text-primary);
  max-width:   260px;
}

.td-price {
  font-family: var(--font-mono);
  font-size:   0.82rem;
  color:       var(--color-text-secondary);
}

.investor-price { color: var(--color-teal) !important; }

.td-actions {
  display:     flex;
  gap:         var(--space-xs);
  justify-content: center;
  flex-wrap:   wrap;
}

/* Alignment helpers */
.text-right  { text-align: right; }
.text-center { text-align: center; }

/* ── Table States ────────────────────────────────────────────── */
.table-loading,
.table-empty {
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  padding:         var(--space-2xl);
  gap:             var(--space-sm);
  color:           var(--color-text-muted);
  font-size:       0.9rem;
}

.table-empty__icon { font-size: 2.5rem; }
.table-empty__sub  { font-size: 0.8rem; color: var(--color-text-muted); }

/* ── Spinner ─────────────────────────────────────────────────── */
.spinner {
  width:  32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

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

/* ── Toast Notification System ───────────────────────────────── */

/* Fixed top-right stack. Toasts slide in from right, stack vertically. */
#toast-container {
  position:       fixed;
  top:            var(--space-lg);
  right:          var(--space-lg);
  z-index:        9999;
  display:        flex;
  flex-direction: column;
  gap:            var(--space-sm);
  pointer-events: none;
  max-width:      360px;
  width:          calc(100vw - var(--space-lg) * 2);
}

.toast {
  display:        flex;
  align-items:    flex-start;
  gap:            10px;
  padding:        12px 16px;
  border-radius:  var(--radius-md);
  border:         1px solid transparent;
  font-size:      0.875rem;
  font-weight:    500;
  line-height:    1.45;
  pointer-events: auto;
  box-shadow:     0 4px 20px rgba(0,0,0,0.5), 0 1px 4px rgba(0,0,0,0.3);
  cursor:         pointer;
  animation:      toast-in var(--transition-md) ease forwards;
}

.toast--exiting {
  animation: toast-out 200ms ease forwards;
}

.toast__icon    { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.toast__message { flex: 1; }
.toast__close   {
  font-size: 1rem; color: inherit; opacity: 0.55; flex-shrink: 0;
  line-height: 1; margin-top: 1px; transition: opacity var(--transition-fast);
}
.toast:hover .toast__close { opacity: 1; }

.toast--success {
  background:   rgba(22, 27, 37, 0.97);
  color:        var(--color-success);
  border-color: rgba(46, 204, 113, 0.3);
  border-left:  3px solid var(--color-success);
}
.toast--error {
  background:   rgba(22, 27, 37, 0.97);
  color:        var(--color-danger);
  border-color: rgba(231, 76, 60, 0.3);
  border-left:  3px solid var(--color-danger);
}
.toast--warning {
  background:   rgba(22, 27, 37, 0.97);
  color:        var(--color-warning);
  border-color: rgba(243, 156, 18, 0.3);
  border-left:  3px solid var(--color-warning);
}
.toast--info {
  background:   rgba(22, 27, 37, 0.97);
  color:        var(--color-accent);
  border-color: rgba(74, 158, 255, 0.3);
  border-left:  3px solid var(--color-accent);
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(28px); }
  to   { opacity: 1; transform: translateX(0);    }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0);    max-height: 80px;  }
  to   { opacity: 0; transform: translateX(28px); max-height: 0; padding: 0; border-width: 0; }
}

/* Legacy feedback-banner — hidden now that toast system is active */
.feedback-banner { display: none; }

/* ── Production Module ───────────────────────────────────────── */

/* Filter bar — 4-column grid that collapses on smaller screens */
.production-filters {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap:                   var(--space-md) var(--space-lg);
  padding:               var(--space-md) var(--space-lg) var(--space-lg);
  align-items:           start;
}

/* Snapshot read-only panel shown in edit mode */
.snapshot-panel {
  background:    var(--color-bg-input);
  border:        1px solid var(--color-accent-border);
  border-left:   3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding:       var(--space-md);
  display:       flex;
  flex-direction: column;
  gap:           var(--space-xs);
}

.snapshot-panel__label {
  font-family:    var(--font-display);
  font-size:      0.75rem;
  font-weight:    700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color:          var(--color-accent);
}

.snapshot-panel__values {
  display:   flex;
  gap:       var(--space-xl);
  flex-wrap: wrap;
  font-size: 0.875rem;
  color:     var(--color-text-secondary);
}

.snapshot-panel__values strong {
  color:       var(--color-text-primary);
  font-family: var(--font-mono);
}

.snapshot-panel__note {
  font-size:  0.75rem;
  color:      var(--color-text-muted);
  font-style: italic;
  margin-top: var(--space-xs);
}

/* Production table: specific column widths */
.td-date     { font-family: var(--font-mono); font-size: 0.82rem; white-space: nowrap; }
.td-machine  { font-size: 0.87rem; }
.td-quantity { font-family: var(--font-mono); font-size: 0.85rem; }
.td-value    {
  font-family: var(--font-mono);
  font-size:   0.85rem;
  font-weight: 600;
  color:       var(--color-teal);
}

/* Muted text helper for fallback labels */
.text-muted { color: var(--color-text-muted); font-style: italic; font-size: 0.82rem; }

/* ── Scrollbar (Webkit) ──────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-base); }
::-webkit-scrollbar-thumb { background: var(--color-border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar      { width: 200px; }
  .main-content { margin-left: 200px; padding: var(--space-lg); }
}

@media (max-width: 640px) {
  .sidebar      { display: none; }
  .main-content { margin-left: 0; padding: var(--space-md); }
  .form-group--wide { grid-column: span 1; }
}