/**
 * Solver Design System v2 — Components
 * Buttons, cards, KPIs, tables, forms, tabs, pills, toasts
 */

/* ── Buttons ── */
.btn-v2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.2s var(--v2-ease), border-color 0.2s, color 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn-v2:active { transform: translateY(1px); }
.btn-v2:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-v2-primary {
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
  color: #042f2e;
  border: 0;
}
.btn-v2-primary:hover { filter: brightness(1.06); }

.btn-v2-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--v2-border);
  color: var(--v2-text);
}
.btn-v2-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--v2-border-strong);
}

.btn-v2-danger {
  background: linear-gradient(135deg, #f87171, #fb923c);
  color: #fff;
  border: 0;
}

.btn-v2-sm { padding: 7px 12px; font-size: 0.78rem; border-radius: 10px; }

/* ── Panels / cards ── */
.v2-panel,
.v2-card {
  position: relative;
  background: rgba(14, 14, 22, 0.72);
  border: 1px solid var(--v2-border);
  border-radius: var(--v2-radius);
  box-shadow: var(--v2-shadow);
  color: var(--v2-text);
}

.v2-panel { padding: 20px 22px; }
.v2-card { padding: 18px 20px; }

.v2-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.v2-panel-head h2,
.v2-panel-head h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.v2-panel-meta {
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--v2-text-muted);
}

/* ── Hero / cinematic header ── */
.v2-hero {
  margin-bottom: 28px;
  padding: 28px 32px;
  border-radius: var(--v2-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    linear-gradient(145deg, rgba(94, 234, 212, 0.07) 0%, transparent 42%),
    linear-gradient(220deg, rgba(167, 139, 250, 0.12) 0%, transparent 48%),
    rgba(14, 14, 22, 0.65);
}

.v2-eyebrow {
  margin: 0 0 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--v2-accent);
}

.v2-hero h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.v2-hero p {
  margin: 8px 0 0;
  color: var(--v2-text-muted);
  font-size: 0.9rem;
}

/* ── KPI bento ── */
.v2-bento {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
@media (max-width: 960px) {
  .v2-bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .v2-bento { grid-template-columns: 1fr; }
}

.v2-kpi {
  position: relative;
  min-width: 0;
  padding: 18px;
  border-radius: var(--v2-radius);
  border: 1px solid var(--v2-border);
  background: rgba(14, 14, 22, 0.72);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s var(--v2-ease);
}
.v2-kpi::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0.7;
  background: linear-gradient(90deg, var(--v2-accent), transparent);
}
.v2-kpi.tone-violet::before { background: linear-gradient(90deg, var(--v2-accent-2), transparent); }
.v2-kpi.tone-amber::before { background: linear-gradient(90deg, var(--v2-warning), transparent); }
.v2-kpi.tone-green::before { background: linear-gradient(90deg, var(--v2-success), transparent); }
.v2-kpi:hover {
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.v2-kpi-label {
  margin: 0 0 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--v2-text-faint);
}
.v2-kpi-value {
  margin: 0;
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.v2-kpi-meta {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--v2-text-muted);
}

.v2-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  background: rgba(94, 234, 212, 0.12);
  color: var(--v2-accent);
}
.v2-icon-box.violet { background: rgba(167, 139, 250, 0.14); color: var(--v2-accent-2); }
.v2-icon-box.amber { background: rgba(251, 191, 36, 0.12); color: var(--v2-warning); }
.v2-icon-box.green { background: rgba(52, 211, 153, 0.12); color: var(--v2-success); }

/* ── Pills / chips ── */
.v2-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid transparent;
}
.v2-pill.on {
  background: rgba(52, 211, 153, 0.12);
  color: #6ee7b7;
  border-color: rgba(52, 211, 153, 0.25);
}
.v2-pill.off {
  background: rgba(248, 113, 113, 0.12);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.25);
}
.v2-chip {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--v2-text-muted);
  border: 1px solid var(--v2-border);
}
.v2-chip.ts { color: #5eead4; background: rgba(94, 234, 212, 0.1); }
.v2-chip.ocr { color: #c4b5fd; background: rgba(167, 139, 250, 0.12); }

/* ── Tables ── */
.v2-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.v2-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  min-width: 640px;
}
.v2-table th,
.v2-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
}
.v2-table th {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--v2-text-faint);
  background: rgba(0, 0, 0, 0.22);
}
.v2-table tbody tr:hover { background: rgba(255, 255, 255, 0.025); }
.v2-table td { font-variant-numeric: tabular-nums; }

/* ── Forms ── */
.v2-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--v2-text-muted);
  margin-bottom: 6px;
}
.v2-input,
.v2-select,
.v2-textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.35);
  color: var(--v2-text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.v2-input:focus,
.v2-select:focus,
.v2-textarea:focus {
  border-color: rgba(94, 234, 212, 0.45);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.12);
}
.v2-textarea { min-height: 96px; resize: vertical; }

/* ── Segmented tabs ── */
.v2-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 5px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.28);
}
.v2-tab {
  background: transparent;
  border: 0;
  color: var(--v2-text-muted);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.v2-tab:hover { background: rgba(255, 255, 255, 0.05); color: var(--v2-text); }
.v2-tab.active {
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.18), rgba(167, 139, 250, 0.12));
  color: var(--v2-text);
  box-shadow: inset 0 0 0 1px rgba(94, 234, 212, 0.22);
}
.v2-tab.active i { color: var(--v2-accent); }

/* ── Chart card ── */
.v2-chart-card {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.035) 0%, transparent 38%),
    rgba(14, 14, 22, 0.82);
}
.v2-chart-card[data-tone="cyan"] { box-shadow: inset 3px 0 0 rgba(94, 234, 212, 0.55); }
.v2-chart-card[data-tone="violet"] { box-shadow: inset 3px 0 0 rgba(167, 139, 250, 0.55); }
.v2-chart-card[data-tone="green"] { box-shadow: inset 3px 0 0 rgba(52, 211, 153, 0.55); }
.v2-chart-card[data-tone="amber"] { box-shadow: inset 3px 0 0 rgba(251, 191, 36, 0.5); }

.v2-chart-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 10px;
}
.v2-chart-kicker {
  margin: 0 0 4px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--v2-text-faint);
}
.v2-chart-title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}
.v2-chart-desc {
  margin: 4px 0 0;
  font-size: 0.75rem;
  color: var(--v2-text-muted);
}
.v2-chart-well {
  margin: 0 14px 14px;
  padding: 12px 10px 8px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ── Toast ── */
.v2-toast {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(16, 16, 24, 0.95);
  color: var(--v2-text);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}
.v2-toast.success { border-color: rgba(52, 211, 153, 0.35); color: #6ee7b7; }
.v2-toast.error { border-color: rgba(248, 113, 113, 0.35); color: #fca5a5; }

/* ── Modal shell ── */
.v2-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2200;
  align-items: center;
  justify-content: center;
  padding: 20px 12px;
  background: rgba(4, 4, 8, 0.55);
}
.v2-modal-overlay.open { display: flex; }
.v2-modal {
  width: min(100%, 560px);
  max-height: min(90vh, 920px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #12121a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  color: #f4f4f8;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
}
.v2-modal-header,
.v2-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
}
.v2-modal-header { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.v2-modal-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  justify-content: flex-end;
}
.v2-modal-body {
  padding: 18px 20px;
  overflow-y: auto;
}