/* ============================================================
   MINIMALIST DESIGN SYSTEM — Event Manager
   ============================================================ */

/* --- Fonts & Base --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --color-bg:         #F8F9FA;
  --color-surface:    #FFFFFF;
  --color-border:     #E5E7EB;
  --color-border-md:  #D1D5DB;

  --color-text:       #111827;
  --color-text-md:    #374151;
  --color-text-sm:    #6B7280;
  --color-text-xs:    #9CA3AF;

  --color-accent:     #2563EB;
  --color-accent-h:   #1D4ED8;
  --color-accent-bg:  #EFF6FF;

  --color-green:      #16A34A;
  --color-green-bg:   #F0FDF4;
  --color-red:        #DC2626;
  --color-red-bg:     #FEF2F2;
  --color-amber:      #D97706;
  --color-amber-bg:   #FFFBEB;

  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  12px;

  --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
  --shadow:     0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);

  --sidebar-w: 220px;
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
}

/* --- Layout Shell --- */
.app-shell    { display: flex; height: 100vh; overflow: hidden; }
.app-main     { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.app-content  { flex: 1; overflow-y: auto; padding: 2rem; }

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.5rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
  text-decoration: none;
  color: var(--color-text);
}

.sidebar-brand-mark {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.sidebar-brand-name {
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
}

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

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-sm);
  text-decoration: none;
  transition: background 0.12s, color 0.12s;
  line-height: 1;
}

.sidebar-link:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.sidebar-link.active {
  background: var(--color-accent-bg);
  color: var(--color-accent);
}

.sidebar-link svg { flex-shrink: 0; opacity: 0.7; }
.sidebar-link.active svg { opacity: 1; }

.sidebar-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.btn-theme {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.12s, color 0.12s;
  font-family: var(--font-sans);
}

.btn-theme:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

/* --- Topbar --- */
.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.topbar-search {
  flex: 0 0 260px;
  position: relative;
}

.topbar-search input {
  width: 100%;
  padding: 0.4375rem 0.75rem 0.4375rem 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 0.8125rem;
  color: var(--color-text);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.12s, box-shadow 0.12s;
}

.topbar-search input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}

.topbar-search-icon {
  position: absolute;
  left: 0.625rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-xs);
  pointer-events: none;
}

.topbar-select {
  padding: 0.4375rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 0.8125rem;
  color: var(--color-text);
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
  transition: border-color 0.12s;
}

.topbar-select:focus { border-color: var(--color-accent); }

/* --- Flash messages --- */
.flash-wrap { padding: 1rem 2rem 0; }

.flash {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.flash-notice {
  background: var(--color-green-bg);
  color: var(--color-green);
  border-color: #BBF7D0;
}

.flash-alert {
  background: var(--color-red-bg);
  color: var(--color-red);
  border-color: #FECACA;
}

/* --- Page header --- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--color-text);
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-sm);
  margin-top: 0.125rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.12s, border-color 0.12s, color 0.12s, box-shadow 0.12s;
  font-family: var(--font-sans);
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background: var(--color-accent-h);
  color: white;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-md);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg);
  border-color: var(--color-border-md);
}

.btn-danger {
  background: var(--color-red-bg);
  color: var(--color-red);
  border-color: #FECACA;
}

.btn-danger:hover {
  background: #FEE2E2;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-sm);
}

.btn-ghost:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn-sm {
  padding: 0.3125rem 0.625rem;
  font-size: 0.75rem;
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.card-sm { padding: 1rem; border-radius: var(--radius); }

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 1rem;
}

.card-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-sm);
  margin: 0 0 1rem;
}

/* --- Stats / Kpi --- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.kpi {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}

.kpi-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-sm);
  margin-bottom: 0.375rem;
}

.kpi-value {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1;
}

.kpi-value.accent  { color: var(--color-accent); }
.kpi-value.green   { color: var(--color-green); }
.kpi-value.red     { color: var(--color-red); }
.kpi-value.amber   { color: var(--color-amber); }

/* --- Progress bar --- */
.progress {
  height: 4px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* --- Badges / Chips --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1875rem 0.5rem;
  border-radius: 99px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-default { background: var(--color-border);    color: var(--color-text-md); }
.badge-blue    { background: var(--color-accent-bg); color: var(--color-accent); }
.badge-green   { background: var(--color-green-bg);  color: var(--color-green); }
.badge-red     { background: var(--color-red-bg);    color: var(--color-red); }
.badge-amber   { background: var(--color-amber-bg);  color: var(--color-amber); }

/* --- Tables --- */
.table-wrap { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

table.data-table thead tr {
  border-bottom: 1px solid var(--color-border);
}

table.data-table thead th {
  padding: 0.625rem 0.875rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-sm);
}

table.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background 0.1s;
}

table.data-table tbody tr:last-child { border-bottom: none; }

table.data-table tbody tr:hover { background: var(--color-bg); }

table.data-table tbody td {
  padding: 0.75rem 0.875rem;
  color: var(--color-text-md);
  vertical-align: middle;
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.tab-link {
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-sm);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.12s, border-color 0.12s;
  white-space: nowrap;
}

.tab-link:hover { color: var(--color-text); }

.tab-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* --- Forms --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-md);
  margin-bottom: 0.375rem;
}

.form-control {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.12s, box-shadow 0.12s;
}

.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}

.form-control::placeholder { color: var(--color-text-xs); }

textarea.form-control { resize: vertical; min-height: 100px; }

.form-errors {
  padding: 0.875rem 1rem;
  background: var(--color-red-bg);
  border: 1px solid #FECACA;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-red);
}

.form-errors ul { margin: 0.375rem 0 0 1rem; padding: 0; }

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

/* --- Kanban --- */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  align-items: start;
}

@media (max-width: 1200px) { .kanban-board { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px)  { .kanban-board { grid-template-columns: 1fr; } }

.kanban-col {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  min-height: 200px;
  transition: background 0.15s, border-color 0.15s;
}
.kanban-col--over {
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-bg));
  border-color: var(--color-accent);
}

.kanban-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.875rem;
}

.kanban-col-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-md);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kanban-col-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-xs);
  background: var(--color-border);
  padding: 0.125rem 0.4375rem;
  border-radius: 99px;
}

.kanban-cards { display: flex; flex-direction: column; gap: 0.5rem; }

.kanban-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.875rem;
  cursor: grab;
  transition: box-shadow 0.12s, transform 0.12s;
}

.kanban-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.kanban-card:active { cursor: grabbing; }

.kanban-card-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  text-decoration: none;
  display: block;
}
.kanban-card-title:hover { text-decoration: underline; }

.kanban-card-desc {
  font-size: 0.75rem;
  color: var(--color-text-sm);
  margin-bottom: 0.375rem;
  line-height: 1.4;
}

/* drag states */
.kanban-card.is-dragging { opacity: 0.35; }
.kanban-insert-marker    { height: 2px; background: var(--color-accent); border-radius: 2px; margin: 3px 0; pointer-events: none; }

/* --- Modal overlay --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  width: 100%;
  max-width: 540px;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  transform: translateY(-12px);
  transition: transform 0.2s;
}
.modal-backdrop.is-open .modal { transform: translateY(0); }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.modal-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}
.modal-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-text-sm);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.modal-close:hover { background: var(--color-bg); }

.kanban-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.kanban-card-date {
  font-size: 0.75rem;
  color: var(--color-text-xs);
  margin-bottom: 0.5rem;
}

/* --- Vendor cards --- */
.vendor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.vendor-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.vendor-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.vendor-card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 0.25rem;
}

.vendor-card-cat {
  font-size: 0.75rem;
  color: var(--color-text-sm);
}

.vendor-card-phone {
  font-size: 0.8125rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.vendor-card-phone:hover { text-decoration: underline; }

.vendor-detail-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-sm);
  margin-bottom: 0.375rem;
}

.vendor-detail-label { font-weight: 500; color: var(--color-text-md); min-width: 64px; }

.vendor-finances {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 0.875rem;
  margin: 1rem 0;
}

.vendor-fin-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  padding: 0.1875rem 0;
}

.vendor-fin-label { color: var(--color-text-sm); }
.vendor-fin-value { font-weight: 600; color: var(--color-text); }
.vendor-fin-value.green { color: var(--color-green); }
.vendor-fin-value.red   { color: var(--color-red); }

/* --- Project cards --- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: box-shadow 0.15s, transform 0.15s;
}

.project-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.project-card-header { display: flex; align-items: flex-start; justify-content: space-between; }

.project-card-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 0.25rem;
}

.project-card-date {
  font-size: 0.8125rem;
  color: var(--color-text-sm);
}

.project-card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.project-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.project-metric {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.5rem;
  text-align: center;
}

.project-metric-value {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text);
}

.project-metric-label {
  font-size: 0.6875rem;
  color: var(--color-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

.project-budget {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 0.875rem;
}

.project-budget-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  padding: 0.125rem 0;
}

.project-budget-label { color: var(--color-text-sm); }
.project-budget-value { font-weight: 600; color: var(--color-text); }
.project-budget-value.green { color: var(--color-green); }
.project-budget-value.red   { color: var(--color-red); }

.project-card-actions {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

/* --- Empty state --- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-sm);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-md);
  margin: 0 0 0.375rem;
}

.empty-state p { font-size: 0.875rem; margin: 0 0 1.25rem; }

/* --- Filters bar --- */
.filters-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.filter-select {
  padding: 0.4375rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 0.8125rem;
  color: var(--color-text);
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
}

.filter-select:focus { border-color: var(--color-accent); }

/* --- Misc utilities --- */
.color-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.divider { height: 1px; background: var(--color-border); margin: 1rem 0; }

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Dark mode --- */
@media (prefers-color-scheme: dark) {
  html.dark, .dark {
    --color-bg:         #0F1117;
    --color-surface:    #1A1D27;
    --color-border:     #2D3143;
    --color-border-md:  #3D4159;
    --color-text:       #F1F5F9;
    --color-text-md:    #CBD5E1;
    --color-text-sm:    #94A3B8;
    --color-text-xs:    #64748B;
    --color-accent-bg:  rgba(37,99,235,0.15);
  }
}

html.dark {
  --color-bg:         #0F1117;
  --color-surface:    #1A1D27;
  --color-border:     #2D3143;
  --color-border-md:  #3D4159;
  --color-text:       #F1F5F9;
  --color-text-md:    #CBD5E1;
  --color-text-sm:    #94A3B8;
  --color-text-xs:    #64748B;
  --color-accent-bg:  rgba(37,99,235,0.15);
}