:root {
  --bg-color: #f8fafc;
  --navbar-bg: #ffffff;
  --navbar-text: #1e293b;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --border-color: #e2e8f0;
  --accent-color: #38bdf8;
  --nav-link-color: #64748b;
  --table-header-bg: rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
  --bg-color: #0f172a;
  --navbar-bg: #1e293b;
  --navbar-text: #f1f5f9;
  --card-bg: #1e293b;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  --border-color: rgba(255, 255, 255, 0.1);
  --nav-link-color: rgba(255, 255, 255, 0.8);
  --table-header-bg: rgba(255, 255, 255, 0.05);
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  transition:
    background-color 0.3s,
    color 0.3s,
    border-color 0.3s;
}

.text-main {
  color: var(--text-main) !important;
}
.text-muted,
.text-secondary,
.small.text-muted {
  color: var(--text-muted) !important;
  opacity: 1 !important;
}

.navbar {
  background-color: var(--navbar-bg) !important;
  box-shadow: var(--shadow-md);
  transition: background-color 0.3s;
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--accent-color) !important;
}

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

.nav-link {
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0 5px;
  color: var(--nav-link-color) !important;
  padding: 10px 15px !important;
  border-radius: 8px;
  transition: all 0.2s ease-in-out;
  display: flex;
  align-items: center;
}
.nav-link:hover {
  background-color: rgba(128, 128, 128, 0.1);
  color: var(--navbar-text) !important;
}
.nav-link.active {
  background-color: var(--accent-color);
  color: #0f172a !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cursor-pointer {
  cursor: pointer;
}

.width-20 {
  width: 20px;
  display: inline-block;
}

.theme-toggle {
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition:
    background 0.3s,
    color 0.3s;
  display: flex;
  align-items: center;
  color: var(--navbar-text);
}
.theme-toggle:hover {
  background: rgba(128, 128, 128, 0.1);
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  transition:
    background-color 0.3s,
    color 0.3s,
    border-color 0.3s;
}

.table {
  color: var(--text-main) !important;
  background-color: transparent !important;
}

.table th,
.table td {
  border-color: var(--border-color) !important;
  background-color: transparent !important;
  color: var(--text-main) !important;
  transition:
    background-color 0.3s,
    color 0.3s,
    border-color 0.3s;
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.03) !important;
}

[data-theme="dark"] .table-hover tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.05) !important;
}

.theme-aware-icon {
  color: var(--text-main) !important;
  fill: currentColor !important;
  transition: color 0.3s;
}

.dropdown-menu {
  background-color: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-main);
}

.dropdown-item {
  color: var(--text-main);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: rgba(128, 128, 128, 0.1);
  color: var(--text-main);
}

.dropdown-item.active,
.dropdown-item:active {
  background-color: var(--accent-color) !important;
  color: #ffffff !important;
}

.no-caret::after {
  display: none !important;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30, 41, 59, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(241, 245, 249, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link span {
  position: relative;
  top: 1px;
}

[data-theme="dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

.form-control {
  background-color: var(--bg-color);
  border-color: var(--border-color);
  color: var(--text-main) !important;
}

.form-control:focus {
  background-color: var(--bg-color);
  color: var(--text-main) !important;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.25rem rgba(56, 189, 248, 0.25);
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.form-select {
  background-color: var(--bg-color);
  border-color: var(--border-color);
  color: var(--text-main);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-select:focus {
  background-color: var(--bg-color);
  border-color: var(--accent-color);
  color: var(--text-main);
  box-shadow: 0 0 0 0.25rem rgba(56, 189, 248, 0.25);
}

[data-theme="dark"] .form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* Native select option theming (Chrome/Firefox) */
.form-select option,
select.form-select option {
  background-color: var(--bg-color);
  color: var(--text-main);
  padding: 8px 12px;
}

[data-theme="dark"] .form-select option:checked,
[data-theme="dark"] select.form-select option:checked {
  background-color: var(--accent-color);
  color: #fff;
}

[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

input[type="date"] {
  cursor: pointer;
}

#backToTop {
  position: fixed;
  bottom: 80px;
  right: 40px;
  width: 45px;
  height: 45px;
  background: var(--accent-color);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(20px);
}

#backToTop.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#backToTop:hover {
  background: #0ea5e9;
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

#backToTop i {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

#backToTop:hover i {
  transform: translateY(-2px);
}

[data-theme="dark"] #backToTop {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* ── Modal theme fix ───────────────────────────────────────────────────── */
.modal-content {
  background-color: var(--card-bg) !important;
  border-color: var(--border-color) !important;
  color: var(--text-main) !important;
}
.modal-header,
.modal-footer {
  border-color: var(--border-color) !important;
}
.modal-title {
  color: var(--text-main) !important;
}
.modal .form-label {
  color: var(--text-main) !important;
}

.dropdown-toggle-hide-arrow::after {
  display: none !important;
}