/* ============================================================
   GAMPEN FV — Hoja de estilos principal
   ============================================================ */

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

:root {
  --solar:       #f0a500;
  --solar-light: #fff8e6;
  --green:       #1a6e2e;
  --green-light: #e8f5e9;
  --dark:        #0f1a14;
  --surface:     #ffffff;
  --surface2:    #f7f9f7;
  --border:      #dee2e6;
  --text:        #212529;
  --text-muted:  #6c757d;
  --radius:      8px;
  --shadow:      0 2px 12px rgba(0,0,0,.08);
  --shadow-lg:   0 6px 32px rgba(0,0,0,.12);
}

/* ── BASE ── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Syne', system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--surface2);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
.app-header {
  background: var(--dark);
  height: 62px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--solar);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: white;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--solar);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--dark);
  flex-shrink: 0;
}

.brand-name {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .04em;
  color: white;
  line-height: 1;
}

.brand-sub {
  font-size: 10px;
  color: #aaa;
  line-height: 1;
  margin-top: 2px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  color: #ccc;
  transition: all .18s;
}
.nav-pill:hover, .nav-pill.active {
  background: rgba(255,255,255,.12);
  color: white;
}
.nav-pill.btn-new {
  background: var(--solar);
  color: var(--dark);
}
.nav-pill.btn-new:hover {
  background: #ffc107;
  color: var(--dark);
}

/* ── MAIN ── */
.app-main {
  flex: 1;
  padding-bottom: 40px;
}

/* ── FOOTER ── */
.app-footer {
  background: var(--dark);
  color: #888;
  font-size: 11px;
  padding: 10px 0;
  border-top: 1px solid #333;
}
.footer-ver {
  color: var(--solar);
  font-family: 'DM Mono', monospace;
  font-size: 10px;
}

/* ── PAGE HEADER ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.page-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--dark);
  margin: 0;
  letter-spacing: -.01em;
}

/* ── BUTTONS ── */
.btn-solar {
  background: var(--solar) !important;
  border-color: var(--solar) !important;
  color: var(--dark) !important;
  font-weight: 700;
}
.btn-solar:hover {
  background: #e09700 !important;
  border-color: #e09700 !important;
}

/* ── BADGES / REFS ── */
.ref-badge {
  display: inline-block;
  background: var(--green);
  color: white;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: .04em;
}

/* ── TABLE CARD ── */
.table-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.project-table thead th {
  background: var(--dark);
  color: white;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 10px 12px;
  border: none;
}
.project-table tbody td {
  padding: 10px 12px;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
}
.project-table tbody tr:hover td {
  background: var(--solar-light);
}

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}
.empty-icon {
  font-size: 60px;
  color: var(--solar);
  margin-bottom: 16px;
  opacity: .5;
}
.empty-state h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

/* ── FORM CARD ── */
.form-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
}

.form-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--green-light);
}

/* ── FORM TABS ── */
.form-tabs .nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border: none;
  border-bottom: 3px solid transparent;
  padding: 10px 16px;
  border-radius: 0;
  transition: all .18s;
}
.form-tabs .nav-link:hover {
  color: var(--green);
  border-bottom-color: var(--green-light);
}
.form-tabs .nav-link.active {
  color: var(--green);
  border-bottom-color: var(--solar);
  background: transparent;
}

/* ── FORM CONTROLS ── */
.form-control, .form-select {
  font-size: 13px;
  border-radius: 6px;
  border-color: var(--border);
}
.form-control:focus, .form-select:focus {
  border-color: var(--solar);
  box-shadow: 0 0 0 3px rgba(240,165,0,.2);
}
.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 4px;
}

/* ── UPLOAD ZONE ── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  transition: all .2s;
  cursor: pointer;
}
.upload-zone.dragover {
  border-color: var(--solar);
  background: var(--solar-light);
}

/* ── FORM ACTIONS ── */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 0;
}

/* ── PRESUPUESTO PARTIDAS TABLE ── */
.partidas-table td { padding: 4px 6px; vertical-align: middle; }
.partidas-table .form-control-sm { font-size: 12px; }

/* ── PRESUPUESTO RESUMEN ── */
.presupuesto-resumen {
  background: var(--surface2);
  border-radius: var(--radius);
  padding: 16px;
  max-width: 380px;
  margin-left: auto;
}
.resumen-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 13px;
}
.text-solar { color: var(--solar) !important; }

/* ── KPI CARDS ── */
.kpi-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 4px solid var(--border);
  transition: box-shadow .2s;
}
.kpi-card:hover { box-shadow: var(--shadow-lg); }
.kpi-card.kpi-solar  { border-left-color: var(--solar); }
.kpi-card.kpi-green  { border-left-color: var(--green); }
.kpi-card.kpi-euro   { border-left-color: #17a2b8; }
.kpi-card.kpi-time   { border-left-color: #6f42c1; }

.kpi-icon {
  font-size: 22px;
  margin-bottom: 4px;
}
.kpi-card.kpi-solar  .kpi-icon { color: var(--solar); }
.kpi-card.kpi-green  .kpi-icon { color: var(--green); }
.kpi-card.kpi-euro   .kpi-icon { color: #17a2b8; }
.kpi-card.kpi-time   .kpi-icon { color: #6f42c1; }

.kpi-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
}
.kpi-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  font-family: 'DM Mono', monospace;
  line-height: 1.1;
}
.kpi-unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
}

/* ── RESULT CARDS ── */
.result-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.result-card-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--green);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--green-light);
}

/* ── RESULT TABLE ── */
.result-table td { padding: 5px 6px; font-size: 13px; border-bottom: 1px solid var(--surface2); }
.result-table td:last-child { font-family: 'DM Mono', monospace; font-size: 12px; }

/* ── MONO TABLE ── */
.mono-table td, .mono-table th { font-size: 12px; padding: 5px 8px; }
.mono-table td.text-end { font-family: 'DM Mono', monospace; }

/* ── AMBIENTAL GRID ── */
.ambiental-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 8px;
}
.amb-item {
  background: var(--green-light);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}
.amb-icon { font-size: 22px; display: block; margin-bottom: 4px; }
.amb-value { font-size: 16px; font-weight: 800; font-family: 'DM Mono', monospace; }
.amb-unit { font-size: 10px; font-weight: 400; }
.amb-label { font-size: 10px; color: var(--text-muted); }

/* ── MONO ── */
.mono { font-family: 'DM Mono', monospace; }

/* ── PROGRESS ── */
.progress { background: var(--green-light); }
.progress-bar { background: var(--solar) !important; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .page-header { flex-direction: column; align-items: flex-start; }
  .kpi-value { font-size: 18px; }
  .ambiental-grid { grid-template-columns: 1fr 1fr; }
  .form-tabs { overflow-x: auto; flex-wrap: nowrap; }
  .form-tabs .nav-link { white-space: nowrap; }
}