:root {
  --dh-brand: #2563eb;
  --dh-brand-dark: #1d4ed8;
  --dh-brand-soft: #eff6ff;
  --dh-bg: #eef2f7;
  --dh-surface: #ffffff;
  --dh-border: #cbd5e1;
  --dh-border-light: #e2e8f0;
  --dh-text: #0f172a;
  --dh-muted: #64748b;
  --dh-success: #059669;
  --dh-radius: 1rem;
  --dh-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
  --dh-panel-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 6px 18px rgba(15, 23, 42, 0.06);
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  background: var(--dh-bg);
  color: var(--dh-text);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus,
.form-select:focus {
  box-shadow: 0 0 0 0.15rem rgba(37, 99, 235, 0.15);
  border-color: #93c5fd;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--dh-brand-dark);
  border-color: var(--dh-brand-dark);
}

.btn-outline-primary {
  color: var(--dh-brand);
  border-color: #bfdbfe;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--dh-brand-soft);
  border-color: var(--dh-brand);
  color: var(--dh-brand-dark);
}

.text-bg-primary {
  background-color: var(--dh-brand) !important;
}

.app-navbar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--dh-border);
  box-shadow: var(--dh-shadow);
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--dh-text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.app-brand:hover {
  color: var(--dh-brand-dark);
}

.app-brand-icon {
  width: 2rem;
  height: 2rem;
}

.app-brand-text-accent {
  color: var(--dh-brand);
}

.app-navbar .nav-link {
  color: var(--dh-muted);
  font-weight: 500;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
  color: var(--dh-brand-dark);
  background: var(--dh-brand-soft);
}

.app-navbar .navbar-text {
  color: var(--dh-muted) !important;
}

.app-navbar .btn-link.nav-link {
  color: var(--dh-muted);
}

.app-main {
  padding-top: 0.5rem;
  padding-bottom: 2rem;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-header h1,
.page-header .h2 {
  margin-bottom: 0.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header .page-subtitle {
  color: var(--dh-muted);
  margin-bottom: 0;
}

.surface-card,
.card.surface-card {
  background: var(--dh-surface);
  border: 1px solid var(--dh-border);
  border-radius: var(--dh-radius);
  box-shadow: var(--dh-panel-shadow);
}

.surface-card .card-header,
.panel-box .card-header {
  background: #f8fafc;
  border-bottom: 1px solid var(--dh-border);
  padding: 1rem 1.25rem;
  font-weight: 600;
}

.panel-box-body {
  padding: 1.25rem;
}

.empty-panel-box {
  border: 1px dashed var(--dh-border);
  border-radius: 0.85rem;
  background: #f8fafc;
  padding: 1.25rem;
}

.stat-card {
  background: var(--dh-surface);
  border: 1px solid var(--dh-border);
  border-top: 3px solid var(--dh-brand);
  border-radius: var(--dh-radius);
  box-shadow: var(--dh-panel-shadow);
}

.stat-card .stat-label {
  color: var(--dh-muted);
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
}

.stat-card .stat-value {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.dashboard-reminder-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.dashboard-reminder-item {
  border: 1px solid var(--dh-border);
  border-radius: 0.75rem;
  background: #ffffff;
  padding: 0.55rem 0.75rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.dashboard-reminder-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dashboard-reminder-main {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 1;
  min-width: 0;
}

.dashboard-reminder-title {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--dh-text);
  white-space: nowrap;
  flex-shrink: 0;
  max-width: 14rem;
}

.dashboard-reminder-emoji {
  flex-shrink: 0;
}

.dashboard-reminder-name {
  overflow: hidden;
  text-overflow: ellipsis;
}

.dashboard-reminder-meta-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: nowrap;
  min-width: 0;
}

.dashboard-reminder-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.7rem 0.85rem;
  background: #f8fafc;
  border: 1px solid var(--dh-border-light);
  border-radius: 0.75rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--dh-border-light);
  border-radius: 999px;
  background: #f8fafc;
  color: var(--dh-muted);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.dashboard-reminder-next {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  margin-left: auto;
  padding: 0.25rem 0.5rem;
  border: 1px solid #bfdbfe;
  border-radius: 0.65rem;
  background: var(--dh-brand-soft);
}

.dashboard-reminder-date-box {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 6.5rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #bfdbfe;
  border-radius: 0.8rem;
  background: var(--dh-brand-soft);
}

.dashboard-reminder-next-label,
.dashboard-reminder-date-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dh-muted);
}

.shortcut-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.shortcut-item {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--dh-border);
  border-radius: 0.8rem;
  background: #ffffff;
  color: var(--dh-brand-dark);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.shortcut-item:hover,
.shortcut-item:focus {
  background: var(--dh-brand-soft);
  border-color: #93c5fd;
  color: var(--dh-brand-dark);
}

.emoji-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.emoji-option-label {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 5.5rem;
  padding: 0.65rem 0.75rem;
}

.emoji-option-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.emoji-option-text {
  font-size: 0.75rem;
  font-weight: 600;
}

.btn-check:checked + .emoji-option-label {
  background: var(--dh-brand-soft);
  border-color: var(--dh-brand);
  color: var(--dh-brand-dark);
}

.hero-panel {
  background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
  border: 1px solid #dbeafe;
  border-radius: calc(var(--dh-radius) + 0.25rem);
  box-shadow: var(--dh-shadow);
}

.hero-panel .hero-logo {
  width: 4.5rem;
  height: 4.5rem;
  margin-bottom: 1rem;
}

.feature-card {
  background: var(--dh-surface);
  border: 1px solid var(--dh-border);
  border-radius: var(--dh-radius);
  box-shadow: var(--dh-shadow);
  height: 100%;
}

.auth-shell {
  max-width: 28rem;
  margin: 0 auto;
}

.auth-card {
  background: var(--dh-surface);
  border: 1px solid var(--dh-border);
  border-radius: var(--dh-radius);
  box-shadow: var(--dh-shadow);
}

.table-card .table {
  margin-bottom: 0;
}

.table-card .table > :not(caption) > * > * {
  padding: 0.95rem 1rem;
}

.table-card thead th {
  color: var(--dh-muted);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  border-bottom-color: var(--dh-border);
  background: #f8fafc;
}

.table-card tbody tr:last-child td {
  border-bottom: 0;
}

.calendar-table {
  background: var(--dh-surface);
  border-color: var(--dh-border);
  border-radius: var(--dh-radius);
  overflow: hidden;
  box-shadow: var(--dh-shadow);
}

.calendar-table thead th {
  background: #f8fafc;
  color: var(--dh-muted);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-color: var(--dh-border);
}

.calendar-table td {
  border-color: var(--dh-border);
  vertical-align: top;
}

.calendar-table td.is-muted {
  background: #f8fafc;
  color: #94a3b8;
}

.calendar-table td.is-today {
  background: var(--dh-brand-soft);
  box-shadow: inset 0 0 0 2px #93c5fd;
}

.alert {
  border-radius: 0.85rem;
  border: 1px solid transparent;
}

.footer {
  background: var(--dh-surface);
  border-top: 1px solid var(--dh-border);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dh-muted);
}

.footer-brand img {
  width: 1.25rem;
  height: 1.25rem;
}

.form-control,
.form-select {
  border-color: var(--dh-border);
  border-radius: 0.75rem;
}

.form-control:focus,
.form-select:focus {
  border-color: #93c5fd;
}

.badge {
  font-weight: 600;
}

.app-navbar .btn-register {
  border-radius: 999px;
  padding-inline: 1rem;
}

.app-navbar .navbar-toggler {
  border-color: var(--dh-border);
}

.page-header-action {
  flex-shrink: 0;
}

@media (max-width: 991.98px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .page-header {
    align-items: stretch;
  }

  .page-header-action {
    width: 100%;
  }

  .page-header .d-flex.flex-wrap.gap-2 {
    width: 100%;
  }

  .page-header .d-flex.flex-wrap.gap-2 .btn {
    flex: 1 1 auto;
  }

  .btn-group {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
  }

  .btn-group .btn {
    flex: 1 1 auto;
  }
}

@media (max-width: 767.98px) {
  .app-main {
    padding-top: 0.25rem;
    padding-bottom: 1.5rem;
  }

  .page-header h1,
  .page-header .h2 {
    font-size: 1.5rem;
  }

  .stat-card .stat-value {
    font-size: 1.5rem;
  }

  .panel-box-body {
    padding: 0.85rem;
  }

  .dashboard-reminder-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
  }

  .dashboard-reminder-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .dashboard-reminder-title {
    max-width: 100%;
  }

  .dashboard-reminder-meta-inline {
    flex-wrap: wrap;
  }

  .dashboard-reminder-next {
    margin-left: 0;
    align-self: flex-start;
  }

  .shortcut-item {
    padding: 0.75rem 0.85rem;
  }

  .table-card .table > :not(caption) > * > * {
    padding: 0.7rem 0.6rem;
    font-size: 0.875rem;
  }

  .table-card .d-none-mobile {
    display: none !important;
  }

  .emoji-picker {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .emoji-option-label {
    width: 100%;
    min-width: 0;
  }

  .calendar-table td {
    min-width: 4.5rem !important;
    height: 5.5rem !important;
    padding: 0.35rem !important;
    font-size: 0.78rem;
  }

  .calendar-table .badge {
    font-size: 0.65rem;
    white-space: normal;
    text-align: left;
  }

  .hero-panel {
    padding: 1.25rem !important;
  }

  .hero-panel .display-5 {
    font-size: 1.75rem;
  }

  .footer > .container {
    flex-direction: column;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }

  .auth-shell {
    max-width: 100%;
  }
}

@media (min-width: 768px) and (max-width: 1199.98px) {
  .dashboard-reminder-title {
    max-width: 10rem;
  }
}