:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eff6ff;
  --supervisor: #7c3aed;
  --supervisor-soft: #f5f3ff;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --warn-border: #fde68a;
  --success: #059669;
  --success-soft: #ecfdf5;
  --danger: #dc2626;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* Topbar */
.topbar {
  background: #0f172a;
  color: #f8fafc;
  border-bottom: 1px solid #1e293b;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  letter-spacing: -0.03em;
}

.brand-title {
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 0.76rem;
  color: #94a3b8;
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.control-group label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  font-weight: 600;
}

.control-group select {
  background: #1e293b;
  color: #f8fafc;
  border: 1px solid #334155;
  border-radius: 7px;
  padding: 0.42rem 0.65rem;
  font-size: 0.84rem;
  font-weight: 500;
  min-width: 220px;
}

/* Nav Tabs */
.nav-tabs {
  background: #1e293b;
  border-top: 1px solid #334155;
}

.nav-tabs-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
}

.nav-tab {
  background: transparent;
  border: none;
  color: #cbd5e1;
  padding: 0.68rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
}

.nav-tab.active {
  color: #60a5fa;
  border-bottom-color: #3b82f6;
  background: rgba(59, 130, 246, 0.08);
}

.tab-badge {
  background: #334155;
  color: #e2e8f0;
  font-size: 0.72rem;
  padding: 0.08rem 0.42rem;
  border-radius: 999px;
}

.tab-badge.warn {
  background: #b45309;
  color: #fff;
}

/* Layout */
.main-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.15rem 1.25rem 3rem;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow);
}

.kpi-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.15rem 0;
}

.kpi-value.kpi-project-name {
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-value small {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

.kpi-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.two-col-layout {
  display: grid;
  grid-template-columns: 430px 1fr;
  gap: 1.15rem;
  align-items: start;
}

@media (max-width: 1080px) {
  .two-col-layout {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.card-header h2, .card-header h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
}

.muted-text {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Forms */
.stack-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 0.7fr;
  gap: 0.65rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.field label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.48rem 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: #fff;
  color: var(--text);
  width: 100%;
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.supervisor-question-box {
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  padding: 0.65rem;
  border-radius: 8px;
}

.supervisor-question-box label {
  color: #92400e;
}

.quick-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin-top: 0.25rem;
}

.quick-tag-chip {
  font-size: 0.7rem;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  cursor: pointer;
}

.quick-tag-chip:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

/* Filter Bar */
.filter-bar {
  margin-bottom: 0.9rem;
  padding: 0.85rem 1rem;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.65rem;
  align-items: end;
}

.filter-buttons {
  display: flex;
  flex-direction: row;
  gap: 0.45rem;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 0.52rem 0.95rem;
  border-radius: 7px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-sm {
  padding: 0.38rem 0.7rem;
  font-size: 0.78rem;
}

.btn-xs {
  padding: 0.24rem 0.55rem;
  font-size: 0.74rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #0f172a;
  color: #fff;
}

.btn-secondary:hover {
  background: #1e293b;
}

.btn-outline {
  background: #fff;
  border-color: var(--border-strong);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost {
  background: var(--surface-alt);
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: #e2e8f0;
}

/* Daily Entries Feed */
.entries-feed {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}

.entry-card.has-open-question {
  border-left-color: var(--warn);
}

.entry-card.has-supervisor-reply {
  border-left-color: var(--supervisor);
}

.entry-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.entry-date-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  background: #eff6ff;
  color: #1e40af;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid #bfdbfe;
}

.entry-meta-pills {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--text-secondary);
}

.badge.module {
  background: #eef2ff;
  color: #3730a3;
}

.badge.category {
  background: #f0fdf4;
  color: #166534;
}

.badge.hours {
  font-family: 'JetBrains Mono', monospace;
  background: #f1f5f9;
  color: #334155;
}

.badge.q-open {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.badge.q-answered, .badge.q-resolved {
  background: #ede9fe;
  color: #5b21b6;
}

.entry-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.25rem 0 0.45rem;
}

.entry-summary {
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 0.55rem;
  white-space: pre-line;
}

.entry-tech-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.6rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 0.55rem;
  white-space: pre-line;
}

.entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
}

.tech-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.71rem;
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  padding: 0.1rem 0.45rem;
  border-radius: 5px;
}

.question-callout {
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.65rem;
  font-size: 0.84rem;
  color: #78350f;
}

.question-callout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

/* Supervisor & Internal Thread */
.thread-section {
  margin-top: 0.65rem;
  border-top: 1px dashed var(--border-strong);
  padding-top: 0.65rem;
}

.thread-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.thread-msg {
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  font-size: 0.83rem;
  background: var(--surface-alt);
  border-left: 3px solid #64748b;
}

.thread-msg.supervisor {
  background: var(--supervisor-soft);
  border-left-color: var(--supervisor);
}

.thread-msg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.thread-msg-author {
  font-weight: 700;
  color: var(--text);
}

.thread-msg.supervisor .thread-msg-author {
  color: #5b21b6;
}

.reply-inline-form {
  display: grid;
  grid-template-columns: 1fr 125px 95px auto;
  gap: 0.45rem;
  align-items: center;
}

@media (max-width: 720px) {
  .reply-inline-form {
    grid-template-columns: 1fr;
  }
}

.reply-inline-form input {
  font-size: 0.8rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
}

/* QA Pills */
.qa-filter-pills {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pill {
  background: var(--surface-alt);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  padding: 0.38rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.pill.active {
  background: var(--supervisor);
  border-color: var(--supervisor);
  color: #fff;
}

/* Reporting */
.report-controls-card {
  margin-bottom: 1.15rem;
}

.report-export-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.preset-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  padding: 0.6rem 0.75rem;
  background: var(--surface-alt);
  border-radius: 8px;
}

.preset-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-right: 0.25rem;
}

.checkbox-inline {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding-top: 0.35rem;
}

.checkbox-inline label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 500;
  cursor: pointer;
}

.printable-report-sheet {
  padding: 2rem;
  background: #ffffff;
}

.report-doc-header {
  border-bottom: 2px solid #0f172a;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.report-doc-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0.15rem 0;
}

.report-kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 900px) {
  .report-kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.report-kpi-box {
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  padding: 0.55rem 0.7rem;
  background: #f8fafc;
}

.report-group-banner {
  background: #e2e8f0;
  color: #0f172a;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  margin: 1.2rem 0 0.65rem;
}

.report-entry-item {
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  padding: 0.75rem 0.9rem;
  margin-bottom: 0.65rem;
  page-break-inside: avoid;
}

.report-signatures {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #cbd5e1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  page-break-inside: avoid;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 100;
}

.toast {
  background: #0f172a;
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 500;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

/* Print Styles */
@media print {
  body {
    background: #fff !important;
    font-size: 11pt;
  }
  .no-print {
    display: none !important;
  }
  .main-container {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  .printable-report-sheet {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
}