/* =====================================================================
   SERMOTOR INGENIERIA S.A.S. - Plataforma de Solicitudes de Compra
   Sistema de diseño: tokens + componentes
   Paleta: acero/industrial (navy) + acento ámbar de seguridad industrial
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Roboto+Mono:wght@500&display=swap');

:root {
  /* Color */
  --smt-navy-950: #0B1F33;
  --smt-navy-900: #102A44;
  --smt-navy-800: #163A5C;
  --smt-navy-700: #1E4D78;
  --smt-accent: #E8871E;
  --smt-accent-dark: #C06A10;
  --smt-accent-soft: #FCEEDC;
  --smt-bg: #F2F5F8;
  --smt-surface: #FFFFFF;
  --smt-border: #DEE5EC;
  --smt-text: #16232F;
  --smt-text-muted: #5C6B7A;
  --smt-text-faint: #8A97A3;
  --smt-success: #1F7A44;
  --smt-success-soft: #E4F5EA;
  --smt-danger: #B93A3A;
  --smt-danger-soft: #FBEAEA;
  --smt-warning: #B8790F;
  --smt-warning-soft: #FCF1DD;
  --smt-info: #1E5F8C;
  --smt-info-soft: #E6F1F9;

  /* Type */
  --smt-font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --smt-font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, monospace;

  /* Layout */
  --smt-sidebar-w: 258px;
  --smt-radius: 10px;
  --smt-radius-sm: 6px;
  --smt-shadow-sm: 0 1px 2px rgba(16, 42, 68, 0.06), 0 1px 1px rgba(16, 42, 68, 0.04);
  --smt-shadow-md: 0 4px 16px rgba(16, 42, 68, 0.10);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: var(--smt-font-ui);
  background: var(--smt-bg);
  color: var(--smt-text);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--smt-font-ui);
  font-weight: 700;
  color: var(--smt-navy-950);
  letter-spacing: -0.01em;
}

a { color: var(--smt-navy-700); text-decoration: none; }
a:hover { color: var(--smt-accent-dark); }

code, .mono { font-family: var(--smt-font-mono); }

/* ---------------------------------------------------------------------
   Shell: topbar + sidebar + content
   --------------------------------------------------------------------- */
#app-shell { min-height: 100vh; display: flex; }

.smt-sidebar {
  width: var(--smt-sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--smt-navy-950) 0%, var(--smt-navy-900) 100%);
  color: #E7EEF5;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 40;
  transition: transform 0.2s ease;
}

.smt-brand { padding: 22px 20px 18px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.smt-brand-name { font-weight: 800; font-size: 15px; letter-spacing: 0.02em; color: #fff; line-height: 1.25; }
.smt-brand-sub { font-size: 11px; color: #90A5BA; margin-top: 2px; letter-spacing: 0.03em; }
.smt-brand-tag {
  display: inline-block; margin-top: 10px; font-size: 10.5px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--smt-accent); border: 1px solid rgba(232,135,30,0.5); border-radius: 4px; padding: 2px 7px;
}

.smt-nav { flex: 1; overflow-y: auto; padding: 14px 10px; }
.smt-nav-section-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em; color: #6E85A0; padding: 14px 12px 6px; font-weight: 700; }
.smt-nav-link {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: var(--smt-radius-sm);
  color: #C4D3E2; font-size: 13.5px; font-weight: 500; cursor: pointer; margin-bottom: 2px; border-left: 3px solid transparent;
}
.smt-nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.smt-nav-link.active { background: rgba(232,135,30,0.14); color: #fff; border-left-color: var(--smt-accent); font-weight: 600; }
.smt-nav-link .bi { font-size: 15px; width: 18px; text-align: center; }
.smt-nav-badge { margin-left: auto; background: var(--smt-accent); color: #1a1006; font-size: 10.5px; font-weight: 700; border-radius: 20px; padding: 1px 7px; }

.smt-sidebar-footer { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 11.5px; color: #7691AA; }

.smt-main { margin-left: var(--smt-sidebar-w); flex: 1; min-width: 0; display: flex; flex-direction: column; }

.smt-topbar {
  height: 60px; background: var(--smt-surface); border-bottom: 1px solid var(--smt-border);
  display: flex; align-items: center; padding: 0 22px; gap: 14px; position: sticky; top: 0; z-index: 30;
}
.smt-topbar-title { font-size: 17px; font-weight: 700; color: var(--smt-navy-950); }
.smt-topbar-spacer { flex: 1; }

.smt-content { padding: 24px; max-width: 1320px; width: 100%; margin: 0 auto; }

.smt-sidebar-toggle { display: none; }
@media (max-width: 991px) {
  .smt-sidebar { transform: translateX(-100%); }
  .smt-sidebar.open { transform: translateX(0); }
  .smt-main { margin-left: 0; }
  .smt-sidebar-toggle { display: inline-flex; }
  .smt-content { padding: 16px; }
}

/* Cards / KPIs */
.smt-card { background: var(--smt-surface); border: 1px solid var(--smt-border); border-radius: var(--smt-radius); box-shadow: var(--smt-shadow-sm); }
.smt-card-body { padding: 18px 20px; }
.smt-card-header {
  padding: 14px 20px; border-bottom: 1px solid var(--smt-border); font-weight: 700; font-size: 14.5px;
  color: var(--smt-navy-950); display: flex; align-items: center; justify-content: space-between;
}

.smt-kpi { background: var(--smt-surface); border: 1px solid var(--smt-border); border-radius: var(--smt-radius); padding: 16px 18px; box-shadow: var(--smt-shadow-sm); border-left: 4px solid var(--smt-navy-700); }
.smt-kpi-value { font-size: 26px; font-weight: 800; color: var(--smt-navy-950); line-height: 1; }
.smt-kpi-label { font-size: 12px; color: var(--smt-text-muted); margin-top: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.smt-kpi.accent { border-left-color: var(--smt-accent); }
.smt-kpi.success { border-left-color: var(--smt-success); }
.smt-kpi.danger { border-left-color: var(--smt-danger); }

/* Buttons */
.btn-smt-primary { background: var(--smt-accent); border-color: var(--smt-accent); color: #241503; font-weight: 600; }
.btn-smt-primary:hover { background: var(--smt-accent-dark); border-color: var(--smt-accent-dark); color: #fff; }
.btn-smt-navy { background: var(--smt-navy-900); border-color: var(--smt-navy-900); color: #fff; font-weight: 600; }
.btn-smt-navy:hover { background: var(--smt-navy-800); border-color: var(--smt-navy-800); color: #fff; }
.btn-outline-smt { border: 1px solid var(--smt-border); background: #fff; color: var(--smt-text); font-weight: 500; }
.btn-outline-smt:hover { background: var(--smt-bg); }

/* Status pills */
.smt-pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 700; padding: 3px 10px; border-radius: 20px; letter-spacing: 0.02em; white-space: nowrap; }
.smt-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.pill-BORRADOR, .pill-PENDIENTE_APROBACION { background: var(--smt-warning-soft); color: var(--smt-warning); }
.pill-SOLICITADA, .pill-APROBACION_PARCIAL { background: var(--smt-info-soft); color: var(--smt-info); }
.pill-APROBADA, .pill-EN_GESTION, .pill-GESTIONADA, .pill-PENDIENTE_GESTION { background: #EAF1FB; color: var(--smt-navy-700); }
.pill-CERRADA, .pill-GESTIONADO, .pill-APROBADO, .pill-CERRADO_ADMIN { background: var(--smt-success-soft); color: var(--smt-success); }
.pill-CANCELADA, .pill-RECHAZADO { background: var(--smt-danger-soft); color: var(--smt-danger); }

/* Tables */
.smt-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.smt-table thead th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--smt-text-muted);
  font-weight: 700; padding: 10px 14px; border-bottom: 2px solid var(--smt-border); background: #FAFBFC; white-space: nowrap;
}
.smt-table tbody td { padding: 11px 14px; border-bottom: 1px solid var(--smt-border); vertical-align: middle; }
.smt-table tbody tr:hover { background: #F8FAFC; }
.smt-table-clickable tbody tr { cursor: pointer; }

.smt-consecutive { font-family: var(--smt-font-mono); font-weight: 600; color: var(--smt-navy-800); }

/* Forms */
.form-label { font-weight: 600; font-size: 12.5px; color: var(--smt-text); margin-bottom: 4px; }
.form-control, .form-select { border-color: var(--smt-border); font-size: 13.5px; }
.form-control:focus, .form-select:focus { border-color: var(--smt-navy-700); box-shadow: 0 0 0 3px rgba(30,77,120,0.12); }
.smt-required::after { content: ' *'; color: var(--smt-danger); }

.smt-item-row { background: #FAFBFC; border: 1px solid var(--smt-border); border-radius: var(--smt-radius-sm); padding: 14px; margin-bottom: 12px; }
.smt-ot-tag {
  display: inline-flex; align-items: center; gap: 6px; background: var(--smt-navy-900); color: #fff; font-family: var(--smt-font-mono);
  font-size: 12px; font-weight: 600; padding: 3px 8px 3px 10px; border-radius: 20px; margin: 2px 4px 2px 0;
}
.smt-ot-tag button { background: none; border: none; color: #9FC0DE; padding: 0; line-height: 1; cursor: pointer; }
.smt-ot-tag button:hover { color: #fff; }

/* Misc */
.smt-empty { text-align: center; padding: 48px 20px; color: var(--smt-text-muted); }
.smt-empty i { font-size: 34px; color: var(--smt-text-faint); display: block; margin-bottom: 10px; }

.smt-login-page { min-height: 100vh; display: flex; background: radial-gradient(1200px 600px at 20% -10%, #1E4D78 0%, var(--smt-navy-950) 55%); }
.smt-login-card { background: #fff; border-radius: 14px; box-shadow: var(--smt-shadow-md); padding: 36px 34px; width: 100%; max-width: 400px; }

.smt-notif-dot {
  position: absolute; top: 6px; right: 6px; background: var(--smt-accent); color: #241503; font-size: 10px; font-weight: 800;
  min-width: 16px; height: 16px; border-radius: 8px; display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

.smt-toast-stack { position: fixed; top: 16px; right: 16px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; max-width: 360px; }

.smt-skeleton { background: linear-gradient(90deg, #ECEFF3 25%, #F5F7F9 37%, #ECEFF3 63%); background-size: 400% 100%; animation: smt-shimmer 1.4s ease infinite; border-radius: 6px; }
@keyframes smt-shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

@media (prefers-reduced-motion: reduce) {
  .smt-skeleton { animation: none; }
  * { transition: none !important; }
}

.smt-tab-btn { border: none; background: none; padding: 10px 4px; margin-right: 22px; font-weight: 600; color: var(--smt-text-muted); border-bottom: 2px solid transparent; font-size: 13.5px; }
.smt-tab-btn.active { color: var(--smt-navy-900); border-bottom-color: var(--smt-accent); }
.smt-tabs { border-bottom: 1px solid var(--smt-border); margin-bottom: 18px; }