:root {
  --bg: #f3f6fb;
  --panel: #ffffff;
  --text: #172233;
  --muted: #667992;
  --border: #d8e0ec;
  --brand: #3663f4;
  --card-bg: #fbfdff;
}

:root[data-theme="dark"] {
  --bg: #0f1621;
  --panel: #152131;
  --text: #f2f7ff;
  --muted: #b4c3d7;
  --border: #36506d;
  --brand: #7aa8ff;
  --card-bg: #1c2d41;
}

body.dark-theme {
  --bg: #0f1621;
  --panel: #152131;
  --text: #f2f7ff;
  --muted: #b4c3d7;
  --border: #36506d;
  --brand: #7aa8ff;
  --card-bg: #1c2d41;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% -10%, #e8f0ff 0%, var(--bg) 40%);
}

:root[data-theme="dark"] body {
  background: radial-gradient(circle at 10% -10%, #1f324b 0%, var(--bg) 50%);
}

body.dark-theme {
  background: radial-gradient(circle at 10% -10%, #1f324b 0%, var(--bg) 50%);
}

.app-nav {
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(7px);
}

:root[data-theme="dark"] .app-nav {
  background: rgba(23, 35, 51, 0.9);
}

body.dark-theme .app-nav {
  background: rgba(23, 35, 51, 0.9);
}

.nav-link,
.navbar-brand,
.text-muted,
.form-label,
.small {
  color: var(--muted) !important;
}

.navbar-brand {
  color: var(--text) !important;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 12px 30px rgba(20, 40, 70, 0.07);
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1px solid #fff;
  box-shadow: 0 0 0 1px #0001;
}

.project-card {
  color: inherit;
  text-decoration: none;
}

.project-card:hover {
  border-color: #b7c6f6;
  transform: translateY(-1px);
}

.form-control,
.form-select {
  background: color-mix(in srgb, var(--panel) 70%, #ffffff 30%);
  border-color: var(--border);
  color: var(--text);
}

.form-control:focus,
.form-select:focus {
  box-shadow: 0 0 0 0.15rem color-mix(in srgb, var(--brand) 30%, transparent);
  border-color: var(--brand);
}

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
}

.stat .label {
  color: var(--muted);
  font-size: 12px;
}

.stat .value {
  font-weight: 800;
  font-size: 1.1rem;
}

.stages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
}

.stage-col {
  min-height: 260px;
}

.task-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: var(--card-bg);
}

.task-card.done {
  opacity: 0.66;
}

.task-title {
  font-weight: 700;
}

.priority {
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 3px 8px;
  border: 1px solid transparent;
}

.priority.high { background: #ffe5e5; color: #9f1616; border-color: #f5bcbc; }
.priority.medium { background: #fff3d7; color: #9a6a00; border-color: #f4dfaa; }
.priority.low { background: #dffbe7; color: #0e7a37; border-color: #bdebc9; }
.priority.frozen { background: #ddeeff; color: #1f5d9f; border-color: #bfd8f1; }

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(180px, 1fr));
  gap: 10px;
  overflow-x: auto;
}

.alert {
  border-radius: 10px;
}

body.dark-theme h1,
body.dark-theme h2,
body.dark-theme h3,
body.dark-theme h4,
body.dark-theme h5,
body.dark-theme h6,
body.dark-theme .task-title,
body.dark-theme .stat .value,
body.dark-theme .card-title {
  color: var(--text) !important;
}

body.dark-theme .panel {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

body.dark-theme .task-card {
  border-color: #486788;
}

body.dark-theme .form-control,
body.dark-theme .form-select {
  background: #1a2a3c;
  color: var(--text);
  border-color: #45607f;
}

body.dark-theme .form-control::placeholder {
  color: #9fb3ca;
}

body.dark-theme .btn-outline-secondary {
  color: #d6e5f8;
  border-color: #6e89a7;
}

body.dark-theme .btn-outline-secondary:hover {
  color: #ffffff;
  background: #2a3f57;
  border-color: #8da8c6;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  display: none;
  -webkit-appearance: none;
}

input[type="date"],
input[type="time"] {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

body.dark-theme .form-check-label {
  color: #c8d8ea;
}

.flatpickr-calendar {
  border: 1px solid var(--border);
  box-shadow: 0 14px 34px rgba(20, 30, 50, 0.2);
  border-radius: 12px;
  overflow: hidden;
}

.fp-footer {
  display: flex;
  justify-content: flex-end;
  padding: 8px 10px 10px;
  border-top: 1px solid var(--border);
  background: #f7faff;
}

.fp-time-toggle {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 10px;
  background: #fff;
  color: #334960;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.fp-time-toggle:hover {
  border-color: #7ea2d7;
}

body.dark-theme .flatpickr-calendar {
  background: #152131;
  border-color: #36506d;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}

body.dark-theme .flatpickr-months .flatpickr-month,
body.dark-theme .flatpickr-current-month input.cur-year,
body.dark-theme .flatpickr-current-month .flatpickr-monthDropdown-months,
body.dark-theme span.flatpickr-weekday,
body.dark-theme .flatpickr-weekday,
body.dark-theme .flatpickr-time input,
body.dark-theme .flatpickr-time .flatpickr-time-separator,
body.dark-theme .flatpickr-time .flatpickr-am-pm,
body.dark-theme .flatpickr-day {
  color: #dce9f8;
}

body.dark-theme .flatpickr-day.selected,
body.dark-theme .flatpickr-day.startRange,
body.dark-theme .flatpickr-day.endRange {
  background: #4978d1;
  border-color: #4978d1;
}

body.dark-theme .flatpickr-day:hover {
  background: #2a3f57;
}

body.dark-theme .fp-footer {
  background: #13202f;
  border-top-color: #36506d;
}

body.dark-theme .fp-time-toggle {
  background: #1c2d41;
  color: #dce9f8;
  border-color: #4a6889;
}