/* ========= Theme tokens ========= */
:root {
  --brand: #03A9F4;
  --brand-dark: #0288D1;
  --brand-soft: #E3F2FD;
  --bg: #F5F6F8;
  --surface: #FFFFFF;
  --surface-hover: #FAFBFC;
  --text: #1F2937;
  --text-muted: #6B7280;
  --text-subtle: #9CA3AF;
  --sidebar-bg: #FFFFFF;
  --sidebar-text: #6B7280;
  --sidebar-active-bg: #E3F2FD;
  --sidebar-active-text: #03A9F4;
  --sidebar-section: #9CA3AF;
  --border: #E5E7EB;
  --border-strong: #D1D5DB;
  --green: #10B981;
  --red: #EF4444;
  --yellow: #F59E0B;
  --blue: #3B82F6;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --brand: #38BDF8;
  --brand-dark: #0EA5E9;
  --brand-soft: #1E3A5F;
  --bg: #0F172A;
  --surface: #1E293B;
  --surface-hover: #243549;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --text-subtle: #64748B;
  --sidebar-bg: #1E293B;
  --sidebar-text: #94A3B8;
  --sidebar-active-bg: #1E3A5F;
  --sidebar-active-text: #38BDF8;
  --sidebar-section: #64748B;
  --border: #334155;
  --border-strong: #475569;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
}

/* ========= Base ========= */
html, body {
  background: var(--bg); color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  font-size: 14px; letter-spacing: -0.005em;
}
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
h1, h2, h3, h4, h5, h6 { letter-spacing: -0.02em; font-weight: 600; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.25rem; } h3 { font-size: 1.125rem; }

a { color: var(--brand-dark); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand); }

/* ========= App shell ========= */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; min-width: 220px; background: var(--sidebar-bg);
  border-right: 1px solid var(--border); padding: 1.25rem 0; flex-shrink: 0;
  display: flex; flex-direction: column; transition: background var(--transition), border-color var(--transition);
}
.sidebar .brand {
  padding: 0 1.25rem 1rem; font-weight: 700; font-size: 1.05rem; color: var(--brand);
  display: flex; align-items: center; gap: 0.55rem; letter-spacing: -0.01em;
}
.sidebar .brand i { font-size: 1.5rem; }
.sidebar .quick-add {
  margin: 0 1rem 0.75rem; padding: 0.6rem 1rem;
  background: var(--brand); color: #fff !important; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; gap: 0.4rem;
  font-weight: 600; font-size: 0.88rem; text-decoration: none; text-transform: uppercase;
  letter-spacing: 0.04em; border: 0; transition: all var(--transition);
  box-shadow: 0 2px 6px rgba(3, 169, 244, 0.25);
}
.sidebar .quick-add:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 4px 10px rgba(3, 169, 244, 0.35); }
.sidebar .quick-add i { font-size: 1.05rem; }
.sidebar .quick-add-menu {
  margin: -0.5rem 1rem 0.5rem; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden;
}
.sidebar .quick-add-menu a {
  padding: 0.55rem 0.9rem; border-left: 0; font-size: 0.85rem; gap: 0.55rem;
}
.sidebar .quick-add-menu a:hover { background: var(--brand-soft); color: var(--brand-dark); }
.sidebar .section { color: var(--sidebar-section); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; padding: 1rem 1.25rem 0.4rem; font-weight: 600; }
.sidebar a {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.5rem 1.25rem;
  color: var(--sidebar-text); text-decoration: none; font-size: 0.88rem; font-weight: 500;
  border-left: 3px solid transparent; transition: all var(--transition);
}
.sidebar a:hover { background: var(--surface-hover); color: var(--text); }
.sidebar a.active { background: var(--sidebar-active-bg); color: var(--sidebar-active-text); border-left-color: var(--brand); }
.sidebar a i { font-size: 1rem; width: 18px; text-align: center; }
.sidebar .user-block {
  margin-top: auto; padding: 1rem 1.25rem; border-top: 1px solid var(--border);
  font-size: 0.82rem; color: var(--text-muted);
}
.sidebar .user-block .name { color: var(--text); font-weight: 600; }
.sidebar .user-block a { padding: 0.25rem 0; color: var(--text-muted); border: 0; font-size: 0.78rem; }
.sidebar .user-block a:hover { background: transparent; color: var(--brand); }
.theme-toggle {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.5rem; margin-top: 0.4rem;
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 0.78rem; cursor: pointer; transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--brand); color: var(--brand); }

.content { flex: 1; min-width: 0; padding: 1.5rem 2rem; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; gap: 1rem; flex-wrap: wrap; }
.page-header h1 { margin: 0; font-size: 1.4rem; font-weight: 600; }
.page-header .subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.15rem; }
.breadcrumb-trail { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.4rem; }
.breadcrumb-trail a { color: var(--text-muted); }
.breadcrumb-trail a:hover { color: var(--brand); }
.breadcrumb-trail i { font-size: 0.7rem; margin: 0 0.4rem; opacity: 0.5; }

/* ========= Cards ========= */
.card {
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  background: var(--surface); color: var(--text);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.card-header { background: transparent; color: var(--text); border-bottom: 1px solid var(--border); font-size: 0.9rem; padding: 0.85rem 1rem; }
.card-body { padding: 1rem; color: var(--text); }
.card h1, .card h2, .card h3, .card h4, .card h5, .card h6 { color: var(--text); }
.card strong { color: var(--text); }

/* Bootstrap utility classes that force colors — re-theme for dark mode */
.text-muted { color: var(--text-muted) !important; }
.text-body { color: var(--text) !important; }
.bg-light { background-color: var(--surface-hover) !important; color: var(--text); }
[data-theme="dark"] .badge.bg-info,
[data-theme="dark"] .badge.bg-warning { color: var(--text) !important; }
[data-theme="dark"] .badge.bg-secondary { background-color: #475569 !important; color: var(--text); }

/* Dropdowns + modals + popovers + tooltips inherit surface color so menu text stays readable */
.dropdown-menu { background: var(--surface); color: var(--text); border-color: var(--border); }
.dropdown-item { color: var(--text); }
.dropdown-item:hover, .dropdown-item:focus { background: var(--surface-hover); color: var(--brand); }
.modal-content { background: var(--surface); color: var(--text); border-color: var(--border); }
.modal-header, .modal-footer { border-color: var(--border); }
.popover, .toast { background: var(--surface); color: var(--text); border-color: var(--border); }
.popover-body, .toast-body { color: var(--text); }

/* Alerts: lighten the default Bootstrap text/bg in dark mode so they don't go invisible */
[data-theme="dark"] .alert { color: var(--text); }
[data-theme="dark"] .alert-success { background: rgba(16,185,129,0.15); border-color: rgba(16,185,129,0.4); }
[data-theme="dark"] .alert-info    { background: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.4); }
[data-theme="dark"] .alert-warning { background: rgba(245,158,11,0.18); border-color: rgba(245,158,11,0.4); }
[data-theme="dark"] .alert-danger  { background: rgba(239,68,68,0.18);  border-color: rgba(239,68,68,0.4); }
[data-theme="dark"] .alert-light   { background: var(--surface-hover); border-color: var(--border); }
[data-theme="dark"] .alert-dismissible .btn-close { filter: invert(1) brightness(2); }

/* Tabs */
.nav-tabs { border-bottom-color: var(--border); }
.nav-tabs .nav-link { color: var(--text-muted); border-color: transparent; }
.nav-tabs .nav-link:hover { color: var(--text); border-color: transparent; }
.nav-tabs .nav-link.active { color: var(--brand); background: var(--surface); border-color: var(--border) var(--border) var(--surface); }

/* Pagination */
.page-link { color: var(--brand); background: var(--surface); border-color: var(--border); }
.page-link:hover { background: var(--surface-hover); color: var(--brand-dark); }
.page-item.active .page-link { background: var(--brand); border-color: var(--brand); color: #fff; }

/* Code */
code { color: var(--brand-dark); background: var(--surface-hover); padding: 0.1rem 0.35rem; border-radius: var(--radius-sm); }
.metric-card {
  border-radius: var(--radius); padding: 1.25rem 1.5rem; background: var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.metric-card:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.metric-card .label { color: var(--text-muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.metric-card .value { font-size: 1.85rem; font-weight: 600; color: var(--text); margin-top: 0.25rem; letter-spacing: -0.02em; }
.metric-card .sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.15rem; }

/* ========= Buttons + forms (override Bootstrap) ========= */
.btn { font-weight: 500; border-radius: var(--radius-sm); transition: all var(--transition); font-size: 0.88rem; }
.btn-primary { background: var(--brand); border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 4px 10px rgba(3, 169, 244, 0.25); }
.btn-outline-primary { color: var(--brand); border-color: var(--brand); }
.btn-outline-primary:hover { background: var(--brand); border-color: var(--brand); }
.btn-light { background: var(--surface-hover); border-color: var(--border); color: var(--text); }
.btn-light:hover { background: var(--bg); border-color: var(--border-strong); color: var(--text); }

.form-control, .form-select {
  background: var(--surface); border-color: var(--border); color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(3, 169, 244, 0.12); background: var(--surface); color: var(--text); }
.form-label { font-size: 0.82rem; font-weight: 500; color: var(--text); margin-bottom: 0.3rem; }
.form-text { color: var(--text-muted); }

/* ========= Tables ========= */
.table { color: var(--text); margin-bottom: 0; }
.table > :not(caption) > * > * { background: transparent; color: var(--text); border-bottom-color: var(--border); }
.table-light > :not(caption) > * > * { background: var(--surface-hover); color: var(--text-muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: var(--surface-hover); }
table.entries td { vertical-align: middle; }
.note-cell { max-width: 360px; white-space: pre-wrap; }
.lag-badge { display: inline-block; padding: 0.1rem 0.4rem; border-radius: var(--radius-sm); font-size: 0.7rem; font-weight: 500; background: var(--surface-hover); color: var(--text-muted); }
.lag-badge.lag-warn { background: rgba(245,158,11,0.18); color: var(--yellow); }
.lag-badge.lag-flag { background: rgba(239,68,68,0.18); color: var(--red); font-weight: 600; }

/* ========= Badges + tags ========= */
.badge { font-weight: 500; font-size: 0.72rem; letter-spacing: 0.02em; padding: 0.3em 0.6em; border-radius: var(--radius-sm); }
.tag-pill { display: inline-block; padding: 0.18rem 0.55rem; border-radius: 999px; font-size: 0.72rem; font-weight: 500; color: #fff; margin-right: 0.25rem; letter-spacing: 0.01em; }

/* ========= Profitability colors ========= */
.profit-positive { color: var(--green); }
.profit-negative { color: var(--red); }
.profit-neutral { color: var(--text-muted); }

/* ========= Avatars ========= */
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.03em;
  color: #fff; background: var(--brand);
}
.avatar-sm { width: 24px; height: 24px; font-size: 0.65rem; }
.avatar-lg { width: 44px; height: 44px; font-size: 0.92rem; }
.avatar-stack { display: inline-flex; }
.avatar-stack .avatar { border: 2px solid var(--surface); margin-left: -8px; }
.avatar-stack .avatar:first-child { margin-left: 0; }
.with-avatar { display: inline-flex; align-items: center; gap: 0.6rem; }

/* ========= Filter pills (Clockify style) ========= */
.filter-bar {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
  padding: 0.85rem 1rem; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 1rem;
}
.filter-bar .filter-group { position: relative; }
.filter-bar select, .filter-bar input[type=date], .filter-bar input[type=text] {
  border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm); font-size: 0.85rem; min-height: 36px;
  transition: border-color var(--transition);
}
.filter-bar select:focus, .filter-bar input:focus { border-color: var(--brand); outline: none; }
.filter-bar .spacer { flex: 1; }
.preset-chips { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.preset-chip {
  display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.3rem 0.7rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  color: var(--text-muted); font-size: 0.78rem; cursor: pointer; transition: all var(--transition);
}
.preset-chip:hover { color: var(--brand); border-color: var(--brand); }
.preset-chip.active { background: var(--brand-soft); border-color: var(--brand); color: var(--brand-dark); font-weight: 500; }
.preset-chip .remove { color: var(--text-subtle); margin-left: 0.2rem; }
.preset-chip .remove:hover { color: var(--red); }

/* ========= Stopwatch ========= */
.timer-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.35rem 0.75rem; border-radius: 999px; background: var(--brand-soft); color: var(--brand-dark); font-weight: 600; font-variant-numeric: tabular-nums; font-size: 0.85rem; }
.timer-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.85); } }

/* ========= Calendar ========= */
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.calendar-grid .cal-header { background: var(--surface-hover); padding: 0.55rem; font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600; text-align: center; letter-spacing: 0.04em; }
.calendar-grid .cal-cell { background: var(--surface); min-height: 110px; padding: 0.5rem; display: flex; flex-direction: column; gap: 0.2rem; transition: background var(--transition); }
.calendar-grid .cal-cell:hover { background: var(--surface-hover); }
.calendar-grid .cal-cell.muted { background: var(--bg); opacity: 0.6; }
.calendar-grid .cal-cell .date { font-size: 0.85rem; color: var(--text); font-weight: 600; }
.calendar-grid .cal-cell.today .date { color: var(--brand); }
.calendar-grid .cal-cell .entry { font-size: 0.7rem; padding: 2px 5px; border-radius: 3px; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ========= Timesheet grid ========= */
.timesheet { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.timesheet table { width: 100%; margin: 0; }
.timesheet th { background: var(--surface-hover); font-size: 0.72rem; text-transform: uppercase; color: var(--text-muted); padding: 0.65rem 0.5rem; font-weight: 600; letter-spacing: 0.04em; }
.timesheet td { padding: 0.4rem 0.5rem; border-top: 1px solid var(--border); }
.timesheet input[type=text] { width: 70px; text-align: center; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.25rem; font-variant-numeric: tabular-nums; background: var(--surface); color: var(--text); }
.timesheet input[type=text]:focus { border-color: var(--brand); outline: none; }
.timesheet .today-col { background: rgba(3, 169, 244, 0.08); }
.timesheet .total-cell { font-weight: 600; }

/* ========= ⌘K command palette ========= */
.cmdk-backdrop {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45);
  display: none; align-items: flex-start; justify-content: center; padding-top: 12vh;
  z-index: 9999; animation: fadein 150ms ease-out;
}
.cmdk-backdrop.open { display: flex; }
.cmdk-modal {
  width: 95%; max-width: 600px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden;
  animation: pop 200ms cubic-bezier(0.16, 1, 0.3, 1);
}
.cmdk-input-wrap { display: flex; align-items: center; gap: 0.7rem; padding: 0.85rem 1.1rem; border-bottom: 1px solid var(--border); }
.cmdk-input-wrap i { color: var(--text-subtle); font-size: 1.1rem; }
.cmdk-input { flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 1rem; padding: 0; }
.cmdk-input::placeholder { color: var(--text-subtle); }
.cmdk-kbd { background: var(--surface-hover); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.1rem 0.4rem; font-size: 0.72rem; color: var(--text-muted); font-family: ui-monospace, "SF Mono", monospace; }
.cmdk-list { max-height: 400px; overflow-y: auto; padding: 0.4rem 0; }
.cmdk-section-label { padding: 0.5rem 1.1rem 0.25rem; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-subtle); font-weight: 600; }
.cmdk-item { display: flex; align-items: center; gap: 0.7rem; padding: 0.55rem 1.1rem; cursor: pointer; color: var(--text); font-size: 0.88rem; transition: background var(--transition); }
.cmdk-item:hover, .cmdk-item.active { background: var(--brand-soft); color: var(--brand-dark); }
.cmdk-item i { color: var(--text-subtle); font-size: 1rem; width: 20px; text-align: center; }
.cmdk-item.active i { color: var(--brand); }
.cmdk-item .meta { color: var(--text-muted); font-size: 0.76rem; margin-left: auto; }
.cmdk-empty { padding: 2rem 1.1rem; text-align: center; color: var(--text-subtle); font-size: 0.88rem; }

/* ========= Activity feed ========= */
.activity-feed { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.activity-item { display: flex; gap: 0.75rem; padding: 0.7rem 1rem; border-bottom: 1px solid var(--border); align-items: flex-start; }
.activity-item:last-child { border-bottom: 0; }
.activity-icon {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.78rem; background: var(--brand-soft); color: var(--brand-dark);
}
.activity-icon.activity-flag { background: rgba(239,68,68,0.15); color: var(--red); }
.activity-icon.activity-cashout { background: rgba(16,185,129,0.15); color: var(--green); }
.activity-body { flex: 1; min-width: 0; }
.activity-body .text { font-size: 0.85rem; color: var(--text); line-height: 1.4; }
.activity-body .meta { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ========= Misc ========= */
.text-monospace { font-family: ui-monospace, "SF Mono", "Roboto Mono", monospace; font-variant-numeric: tabular-nums; }
.client-link { color: var(--text); font-weight: 500; }
.project-name { color: var(--text-muted); font-size: 0.82rem; }

/* ========= Animations ========= */
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(-8px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes slidein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.content > * { animation: slidein 250ms ease-out backwards; }
.content > *:nth-child(2) { animation-delay: 50ms; }
.content > *:nth-child(3) { animation-delay: 100ms; }

/* htmx swap animations */
.htmx-swapping { opacity: 0; transition: opacity 100ms; }
.htmx-settling { animation: fadein 200ms ease-out; }
.htmx-request { opacity: 0.6; pointer-events: none; }

/* ========= Mobile ========= */
@media (max-width: 768px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; min-width: 0; flex-direction: row; overflow-x: auto; padding: 0.5rem; }
  .sidebar .section, .sidebar .user-block, .sidebar .quick-add, .sidebar .quick-add-menu { display: none; }
  .sidebar .brand { border: 0; padding: 0.5rem 1rem; margin: 0; }
  .sidebar a { padding: 0.5rem 0.8rem; border-left: 0; border-bottom: 3px solid transparent; }
  .sidebar a.active { border-left: 0; border-bottom-color: var(--brand); }
  .content { padding: 1rem; }
}