/* ==========================================================================
   Sistem Event Management - Professional SaaS Dashboard Stylesheet
   Pure Vanilla CSS - Lightweight, Modern, Responsive, Light-Themed
   ========================================================================== */

:root {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --primary: #0f172a;
  --primary-hover: #1e293b;
  --primary-light: #f1f5f9;
  
  --emerald-bg: #ecfdf5;
  --emerald-text: #065f46;
  --emerald-border: #a7f3d0;
  --emerald-btn: #059669;
  --emerald-btn-hover: #047857;

  --amber-bg: #fffbeb;
  --amber-text: #92400e;
  --amber-border: #fde68a;
  --amber-btn: #d97706;

  --rose-bg: #fff1f2;
  --rose-text: #9f1239;
  --rose-border: #fecdd3;
  --rose-btn: #e11d48;
  --rose-btn-hover: #be123c;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --radius-lg: 0.75rem;
  --radius-md: 0.5rem;
  --radius-sm: 0.375rem;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.main-content {
  flex: 1 1 auto;
  padding-top: 2rem;
  padding-bottom: 3rem;
}

/* Navbar */
.navbar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 40;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.navbar-logo-box {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.navbar-brand-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.navbar-brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.navbar-user-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.navbar-user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.badge-role {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  background-color: var(--primary-light);
  color: var(--text-main);
  border-radius: 9999px;
  border: 1px solid var(--border-subtle);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
  line-height: 1.25;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

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

.btn-outline:hover:not(:disabled) {
  background-color: var(--primary-light);
}

.btn-success {
  background-color: var(--emerald-btn);
  color: #ffffff;
}

.btn-success:hover:not(:disabled) {
  background-color: var(--emerald-btn-hover);
}

.btn-danger {
  background-color: var(--rose-btn);
  color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--rose-btn-hover);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

.btn-w-full {
  width: 100%;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

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

.stat-card-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.stat-icon-wrapper {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon-default { background-color: var(--primary-light); color: var(--text-main); }
.stat-icon-amber   { background-color: var(--amber-bg); color: var(--amber-text); }
.stat-icon-emerald { background-color: var(--emerald-bg); color: var(--emerald-text); }
.stat-icon-rose    { background-color: var(--rose-bg); color: var(--rose-text); }

.stat-card-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.5rem;
  line-height: 1;
}

.stat-card-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Card Component */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .card-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 0.25rem;
  background-color: var(--primary-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
}

.filter-label {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  color: var(--text-muted);
  font-weight: 600;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s ease-in-out;
}

.filter-tab:hover {
  color: var(--text-main);
  background-color: rgba(203, 213, 225, 0.4);
}

.filter-tab.active {
  background-color: #ffffff;
  color: var(--text-main);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.filter-tab-count {
  margin-left: 0.375rem;
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  background-color: #e2e8f0;
  color: var(--text-main);
}

.filter-tab.active .filter-tab-count {
  background-color: var(--primary);
  color: #ffffff;
}

/* Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

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

.data-table thead {
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table th {
  padding: 0.875rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.data-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background-color: rgba(248, 250, 252, 0.8);
}

.table-event-title {
  font-weight: 600;
  color: var(--text-main);
}

.table-event-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.125rem;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Status Badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  border-width: 1px;
  border-style: solid;
}

.badge-dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
}

.badge-submitted {
  background-color: var(--amber-bg);
  color: var(--amber-text);
  border-color: var(--amber-border);
}
.badge-submitted .badge-dot { background-color: var(--amber-btn); }

.badge-approved {
  background-color: var(--emerald-bg);
  color: var(--emerald-text);
  border-color: var(--emerald-border);
}
.badge-approved .badge-dot { background-color: var(--emerald-btn); }

.badge-rejected {
  background-color: var(--rose-bg);
  color: var(--rose-text);
  border-color: var(--rose-border);
}
.badge-rejected .badge-dot { background-color: var(--rose-btn); }

.tag-badge {
  display: inline-flex;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--primary-light);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  border: 1px solid transparent;
}

.alert-error {
  background-color: var(--rose-bg);
  color: var(--rose-text);
  border-color: var(--rose-border);
}

.alert-success {
  background-color: var(--emerald-bg);
  color: var(--emerald-text);
  border-color: var(--emerald-border);
}

/* Empty State */
.empty-state {
  padding: 3.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-state-icon {
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--primary-light);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

.empty-state-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  max-width: 380px;
}

/* Detail Page Components */
.detail-grid-meta {
  display: grid;
  grid-template-columns: 1fr;
  background-color: #fafbfc;
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 768px) {
  .detail-grid-meta {
    grid-template-columns: repeat(3, 1fr);
  }
}

.detail-meta-item {
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 768px) {
  .detail-meta-item {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
  }
  .detail-meta-item:last-child {
    border-right: none;
  }
}

.detail-meta-icon {
  padding: 0.625rem;
  background-color: #f1f5f9;
  border-radius: var(--radius-md);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.detail-meta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 0.125rem;
}

.rejection-banner {
  background-color: var(--rose-bg);
  border-bottom: 1px solid var(--rose-border);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.rejection-banner-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--rose-text);
}

.rejection-banner-text {
  font-size: 0.875rem;
  color: #881337;
  margin-top: 0.25rem;
  line-height: 1.6;
}

/* Modal */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 50;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.is-active {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 32rem;
  width: 100%;
  padding: 1.75rem;
  border: 1px solid var(--border-subtle);
  animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.375rem;
}

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 5.5rem;
}

/* Login Page Styling */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 1.5rem;
}

.auth-card-box {
  width: 100%;
  max-width: 26rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header-icon {
  margin: 0 auto;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  background-color: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.auth-header-title {
  margin-top: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.auth-header-subtitle {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.input-icon-group {
  position: relative;
}

.input-icon {
  position: absolute;
  top: 50%;
  left: 0.875rem;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-control-icon {
  padding-left: 2.5rem;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
  padding: 1.5rem 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}