/* ═══════════════════════════════════════════════════════
   Delvy Tools — Admin Portal Stylesheet
   ═══════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         hsl(210 16.7% 97.6%);
  --bg-card:    #ffffff;
  --bg-hover:   hsl(210 40% 96.1%);
  --border:     hsl(214.3 31.8% 91.4%);
  --border-light: hsl(214.3 31.8% 85%);
  --text:       #131110;
  --text-muted: hsl(215.4 16.3% 46.9%);
  --text-dim:   hsl(215.4 16.3% 60%);
  --primary:    #8a2432;
  --primary-h:  #e92b32;
  --secondary:  #e92b32;
  --gradient-primary: linear-gradient(124deg, #8a2432 0%, #e92b32 100%);
  --green:      #16a34a;
  --red:        #dc2626;
  --yellow:     #ca8a04;
  --orange:     #ea580c;
  --purple:     #9333ea;
  --blue:       #2563eb;
  --teal:       #0d9488;
  --indigo:     #4f46e5;
  --sidebar-w:  240px;
  --radius:     12px;
  --shadow:     0 1px 2px rgba(19,17,16,.05);
  --shadow-md:  0 8px 24px -8px rgba(19,17,16,.16);
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

/* ═══════════════════════════════
   LOGIN PAGE
════════════════════════════════ */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }

.login-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 1.5rem;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(19,17,16,.06);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo-img {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.9rem;
  display: block;
  border-radius: 12px;
  padding: 10px;
  background: var(--gradient-primary);
  box-shadow: 0 1px 2px rgba(19,17,16,.12);
}

.login-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.login-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.login-form { display: flex; flex-direction: column; gap: 1rem; }

.btn-login {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 0.5rem;
}
.btn-login:hover { opacity: 0.9; }

.login-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  margin-top: 1.5rem;
}

/* ═══════════════════════════════
   LAYOUT
════════════════════════════════ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
}
.logo-icon { font-size: 1.4rem; }
.logo-img {
  height: 28px;
  width: 28px;
  display: block;
  flex-shrink: 0;
  border-radius: 8px;
  padding: 4px;
  background: var(--gradient-primary);
  box-shadow: 0 1px 2px rgba(19,17,16,.12);
}
.logo-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 0.95rem;
}

.sidebar-toggle {
  background: none; border: none;
  color: var(--text-muted); cursor: pointer;
  font-size: 1.1rem; padding: 0.25rem;
  display: flex; align-items: center; justify-content: center;
}
.sidebar-toggle:hover { color: var(--text); }

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-section {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  padding: 0.75rem 0.5rem 0.3rem;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: var(--gradient-primary); color: #fff; }
.nav-icon {
  width: 1.2rem; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  color: inherit;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; color: var(--text-muted); }
.user-avatar { display: inline-flex; }

.logout-btn {
  color: var(--text-dim);
  text-decoration: none;
  display: inline-flex;
  transition: color 0.15s;
}
.logout-btn:hover { color: var(--red); }

/* ── Topbar ─────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.page-title { font-size: 1.35rem; font-weight: 600; color: var(--text); }

.date-badge {
  background: var(--bg-hover);
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border);
}

.content-area { padding: 2rem; flex: 1; }

/* ═══════════════════════════════
   DASHBOARD
════════════════════════════════ */
.dash-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.dash-header-left { display: flex; align-items: center; gap: 1rem; }

.dash-logo {
  width: 52px; height: 52px; flex: none;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 1px 2px rgba(19,17,16,.12);
}
.dash-logo img { width: 28px; height: 28px; object-fit: contain; display: block; }

.dash-header-text { display: flex; flex-direction: column; gap: 6px; }
.dash-eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted);
}
.dash-header-text h1 {
  margin: 0; font-size: 30px; line-height: 1.1; font-weight: 600;
  letter-spacing: -.025em; color: var(--text);
}
.dash-header-text p { margin: 0; font-size: 14px; color: var(--text-muted); }

.dash-header-right { display: flex; align-items: center; gap: 8px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg-hover); padding: 4px 10px;
  font-size: 12px; font-weight: 500; color: var(--text-muted);
}
.pill--user {
  background: #fff; color: var(--text); box-shadow: var(--shadow);
}
.pill--user svg { color: var(--primary); }

.dash-section-label {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 1rem;
}
.dash-section-label > span:first-child {
  font-size: 12px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-muted);
}
.dash-section-label .divider { height: 1px; flex: 1; background: var(--border); }
.dash-section-label .count { font-size: 12px; color: var(--text-muted); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
  margin-bottom: 2rem;
}
@media (max-width: 1100px) { .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .tools-grid { grid-template-columns: 1fr; } }

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .15s, border-color .15s, transform .15s;
}
.tool-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(138,36,50,.35);
  transform: translateY(-2px);
}

.tool-card-top { display: flex; align-items: center; gap: 12px; }
.tool-card-icon {
  width: 38px; height: 38px; flex: none;
  border-radius: 8px;
  background: rgba(138,36,50,.08);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.tool-card-top h2 {
  margin: 0; font-size: 16px; font-weight: 600; line-height: 1.25;
  letter-spacing: -.015em; color: var(--text);
}
.tool-card p {
  margin: 0; font-size: 14px; line-height: 1.5; color: var(--text-muted);
}
.tool-card-link {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500; color: var(--primary);
}

/* ═══════════════════════════════
   TOOL LAYOUT
════════════════════════════════ */
.tool-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .tool-layout { grid-template-columns: 1fr; }
}

.tool-info-card, .tool-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.tool-info-card h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; color: var(--text); }
.tool-info-card ol { padding-left: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.tool-info-card li { font-size: 0.85rem; color: var(--text-muted); }
.tool-info-card code {
  background: var(--bg-hover);
  color: var(--primary);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.8rem;
}

.info-note {
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(138,36,50,0.06);
  border: 1px solid rgba(138,36,50,0.2);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════
   FORMS
════════════════════════════════ */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.8rem; font-weight: 500; color: var(--text-muted); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea,
.form-input, .form-select {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.55rem 0.75rem;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(138,36,50,.1);
}
.form-input--sm, .form-select--sm { padding: 0.4rem 0.6rem; font-size: 0.8rem; }

.required { color: var(--red); }
.optional { color: var(--text-dim); font-size: 0.75rem; }

/* File Drop Zone */
.file-drop-zone {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.file-drop-zone:hover, .file-drop-zone.drag-over {
  border-color: var(--primary);
  background: rgba(138,36,50,0.04);
}
.file-drop-zone--sm { padding: 1rem; }
.file-drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-hint { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; pointer-events: none; }
.drop-icon { font-size: 1.5rem; }
.drop-hint span:last-child { font-size: 0.8rem; color: var(--text-muted); }

.file-list { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.75rem; }
.file-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-hover);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  text-align: left;
}
.file-item-icon { flex-shrink: 0; }
.file-item-name { color: var(--text); flex: 1; }
.file-item-size { color: var(--text-dim); font-size: 0.72rem; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn-process {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s, opacity 0.2s;
  margin-top: 0.5rem;
}
.btn-process:hover  { opacity: 0.9; }
.btn-process:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-process.btn--green  { background: #16a34a; }
.btn-process.btn--green:hover  { background: #15803d; }
.btn-process.btn--purple { background: #7c3aed; }
.btn-process.btn--purple:hover { background: #6d28d9; }
.btn-process.btn--orange { background: #ea580c; }
.btn-process.btn--orange:hover { background: #c2410c; }

.btn-load {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-load:hover { opacity: 0.9; }
.btn-load:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Process Status ──────────────────────────────────────── */
.process-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.process-status.loading {
  background: rgba(138,36,50,0.06);
  border: 1px solid rgba(138,36,50,0.2);
  color: var(--primary);
}
.process-status.success {
  background: rgba(22,163,74,0.08);
  border: 1px solid rgba(22,163,74,0.25);
  color: #15803d;
}
.process-status.error {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.25);
  color: #b91c1c;
}
.hidden { display: none !important; }

/* ═══════════════════════════════
   TESORERÍA
════════════════════════════════ */
.tesoreria-layout { display: flex; flex-direction: column; gap: 1.5rem; }

.tesoreria-controls {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}

.controls-group { display: flex; flex-direction: column; gap: 0.35rem; }
.controls-group label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; }
.controls-group--end { margin-left: auto; align-self: flex-end; }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
@media (max-width: 900px) { .kpi-row { grid-template-columns: repeat(2, 1fr); } }

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}
.kpi-card--green  { border-left: 3px solid var(--green); }
.kpi-card--red    { border-left: 3px solid var(--red); }
.kpi-card--blue   { border-left: 3px solid var(--blue); }
.kpi-card--gray   { border-left: 3px solid var(--text-dim); }

.kpi-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.4rem; }
.kpi-value { font-size: 1.35rem; font-weight: 700; color: var(--text); }

.positive { color: var(--green); }
.negative { color: var(--red); }

.chart-card, .table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.chart-card-header, .table-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.chart-card-header h3, .table-card-header h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.chart-legend { display: flex; align-items: center; gap: 1rem; font-size: 0.75rem; color: var(--text-muted); }
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 0.2rem;
}
.legend-dot--green { background: var(--green); }
.legend-dot--red   { background: var(--red); }
.legend-dot--blue  { background: var(--blue); }

.chart-container {
  padding: 1.5rem;
  height: 320px;
  position: relative;
}

.chart-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-dim);
  gap: 0.5rem;
  font-size: 2rem;
}
.chart-placeholder p { font-size: 0.875rem; color: var(--text-dim); }

/* ═══════════════════════════════
   TABLES
════════════════════════════════ */
.table-wrapper { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.data-table th {
  background: var(--bg);
  padding: 0.65rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-hover); }
.col-num { text-align: right; font-variant-numeric: tabular-nums; }
.table-empty { text-align: center; color: var(--text-dim); padding: 2rem; }
.table-total td { background: var(--bg); border-top: 2px solid var(--border); }

/* ═══════════════════════════════
   HORAS
════════════════════════════════ */
.becarios-config {
  margin-top: 1.25rem;
}
.becarios-config h4 { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.becario-list { display: flex; flex-direction: column; gap: 0.4rem; }
.becario-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.8rem;
}
.becario-name { flex: 1; }
.becario-horas { background: var(--primary); color: #fff; padding: 0.1em 0.5em; border-radius: 10px; font-size: 0.72rem; font-weight: 600; }
.becario-desde { color: var(--text-dim); font-size: 0.72rem; }

/* ═══════════════════════════════
   COMING SOON
════════════════════════════════ */
.coming-soon-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  max-width: 500px;
  box-shadow: var(--shadow);
}
.coming-soon-icon { font-size: 3rem; margin-bottom: 1rem; }
.coming-soon-card h2 { font-size: 1.3rem; margin-bottom: 0.75rem; color: var(--text); }
.coming-soon-card p { color: var(--text-muted); margin-bottom: 0.5rem; font-size: 0.875rem; }
.coming-soon-note { font-size: 0.8rem !important; color: var(--text-dim) !important; }

/* ═══════════════════════════════
   ALERTS
════════════════════════════════ */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.alert-error {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.25);
  color: #b91c1c;
}
.alert-success {
  background: rgba(22,163,74,0.08);
  border: 1px solid rgba(22,163,74,0.25);
  color: #15803d;
}

/* ─── Spinner ────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.spin { display: inline-block; animation: spin 1s linear infinite; }

/* ═══════════════════════════════
   TOAST NOTIFICATIONS
════════════════════════════════ */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  pointer-events: all;
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
  opacity: 0;
  box-shadow: 0 8px 32px rgba(19,17,16,.18);
  border: 1px solid transparent;
}
.toast--visible { transform: translateX(0); opacity: 1; }

.toast--success { background: #14532d; border-color: rgba(34,197,94,0.4); color: #86efac; }
.toast--error   { background: #450a0a; border-color: rgba(239,68,68,0.4);  color: #fca5a5; }
.toast--info    { background: #1e1b4b; border-color: rgba(99,102,241,0.4); color: #c7d2fe; }
.toast--warning { background: #422006; border-color: rgba(234,179,8,0.4);  color: #fef08a; }

.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast-msg  { flex: 1; }
.toast-close {
  background: none; border: none; cursor: pointer;
  color: inherit; opacity: 0.6; font-size: 1rem;
  padding: 0 0.2rem;
  flex-shrink: 0;
}
.toast-close:hover { opacity: 1; }

/* ═══════════════════════════════
   SIDEBAR COLLAPSED
════════════════════════════════ */
.sidebar--collapsed {
  width: 60px;
}
.sidebar--collapsed .logo-text,
.sidebar--collapsed .nav-label,
.sidebar--collapsed .nav-section,
.sidebar--collapsed .user-name {
  display: none;
}
.sidebar--collapsed .logo-icon { margin: 0 auto; }
.sidebar--collapsed .logo-img { height: 24px; width: 24px; }
.sidebar--collapsed .logo { justify-content: center; }
.sidebar--collapsed .nav-item { justify-content: center; padding: 0.6rem; }
.sidebar--collapsed .nav-icon { width: auto; }
.sidebar--collapsed .user-info { justify-content: center; }
.sidebar--collapsed .sidebar-footer { justify-content: center; flex-direction: column; gap: 0.5rem; }
.sidebar--collapsed ~ .main-content { margin-left: 60px; }

.sidebar, .main-content {
  transition: width 0.25s ease, margin-left 0.25s ease;
}

/* ═══════════════════════════════
   IFRAME TOOL
════════════════════════════════ */
.iframe-tool-wrapper {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 140px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.iframe-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.iframe-info { font-size: 0.78rem; color: var(--text-dim); }

.btn-open-new {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.btn-open-new:hover { border-color: var(--primary); color: var(--primary); }

.tool-iframe {
  flex: 1;
  border: none;
  width: 100%;
  background: #fff;
}

/* ═══════════════════════════════
   RECENT OPERATIONS
════════════════════════════════ */
.recent-section { margin-top: 1.5rem; }
.recent-section h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
}
.recent-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
}
.recent-icon { color: var(--text-dim); }
.recent-name { flex: 1; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-ts   { color: var(--text-dim); font-size: 0.7rem; flex-shrink: 0; }

/* ═══════════════════════════════
   KEYBOARD SHORTCUT HINT
════════════════════════════════ */
.kbd {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: monospace;
}

/* ─── Submit hint ──────── */
.submit-hint {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
}