/* ========== Light Theme — Global ========== */

:root {
    --bg: #F5F6FA;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F0F1F5;
    --bg-input: #F0F1F5;
    --border: rgba(0,0,0,0.08);
    --border-light: rgba(0,0,0,0.12);
    --text: #1A1A2E;
    --text-secondary: #4A4A68;
    --text-muted: #8A8AA8;
    --accent: #06d6a0;
    --accent-hover: #05c090;
    --teal: #0a9396;
    --yellow: #fb8500;
    --red: #e63946;
    --blue: #5c7cfa;
    --cyan: #22b8cf;
    --orange: #ee9b00;
}

/* ========== Dark Theme ========== */
[data-theme="dark"] {
    --bg: #121218;
    --bg-card: #1E1E2A;
    --bg-card-hover: #28283A;
    --bg-input: #28283A;
    --border: rgba(255,255,255,0.08);
    --border-light: rgba(255,255,255,0.12);
    --text: #E8E8F0;
    --text-secondary: #B0B0C8;
    --text-muted: #70708A;
}

/* ========== Global ========== */
body {
    background: var(--bg);
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

hr { border-color: var(--border); }

/* ========== Navbar ========== */
.navbar { margin-bottom: 2rem; }

.navbar.md-navbar {
    background: var(--bg-card);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border: none;
}
.navbar.md-navbar .navbar-brand {
    font-weight: 500;
    letter-spacing: 0.25px;
    font-size: 1.15rem;
    color: var(--accent);
}
.navbar.md-navbar .navbar-brand:hover {
    color: var(--accent);
}
.navbar.md-navbar .nav-link {
    font-weight: 400;
    letter-spacing: 0.15px;
    color: var(--text-secondary) !important;
    opacity: 0.85;
    transition: opacity 0.2s, color 0.2s;
}
.navbar.md-navbar .nav-link:hover {
    opacity: 1;
    color: var(--text) !important;
}
.navbar.md-navbar .nav-link.active {
    color: var(--accent) !important;
    opacity: 1;
}
.navbar-toggler {
    border-color: var(--border-light) !important;
}
.navbar-light .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2826, 26, 46, 0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
[data-theme="dark"] .navbar-light .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28232, 232, 240, 0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ========== Elevation ========== */
.md-elevation-1 { box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.md-elevation-2 { box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.md-elevation-4 { box-shadow: 0 4px 16px rgba(0,0,0,0.16); }

/* ========== Bootstrap overrides ========== */
.container { max-width: 1100px; }

.card, .md-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
}
.md-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.btn-primary, .btn-auth-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #111;
    font-weight: 500;
}
.btn-primary:hover, .btn-auth-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #111;
}
.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-light);
}
.btn-outline-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text);
    border-color: var(--border-light);
}
.btn-danger {
    background: var(--red);
    border-color: var(--red);
}
.btn-sm {
    border-radius: 20px;
}

.form-control, .custom-select {
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text);
    border-radius: 8px;
}
.form-control:focus, .custom-select:focus {
    background: var(--bg-card);
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 0 0 0 3px rgba(6, 214, 160, 0.15);
}
.form-control::placeholder {
    color: var(--text-muted);
}

label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.table {
    color: var(--text);
}
.table-bordered, .table-bordered th, .table-bordered td {
    border-color: var(--border);
}
.table-sm th, .table-sm td {
    padding: 6px 10px;
}

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

.alert-danger {
    background: rgba(230, 57, 70, 0.08);
    border-color: rgba(230, 57, 70, 0.15);
    color: #c62828;
}
.alert-success {
    background: rgba(6, 214, 160, 0.08);
    border-color: rgba(6, 214, 160, 0.15);
    color: #00897b;
}

/* Select2 */
.select2-container--bootstrap4 .select2-selection--single {
    background: var(--bg-input);
    border-color: var(--border-light);
    color: var(--text);
    height: calc(1.5em + .5rem + 2px);
    font-size: .875rem;
}
.select2-container--bootstrap4 .select2-selection--single .select2-selection__rendered {
    color: var(--text);
}
.select2-dropdown {
    background: var(--bg-card);
    border-color: var(--border-light);
}
.select2-results__option {
    font-size: 0.85rem;
    color: var(--text);
}
.select2-results__option--highlighted {
    background: var(--accent) !important;
    color: #111 !important;
}
.select2-container--open .select2-dropdown { min-width: 350px !important; }

/* ========== Today header / date nav ========== */
.today-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 24px 0 16px;
}
.today-header h2 {
    font-size: 1.75rem;
    font-weight: 400;
    margin: 0;
    letter-spacing: -0.25px;
    color: var(--text);
}
.today-date {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 300;
}
.today-header .text-center { text-align: center; }

/* Material icon button */
.md-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--text-muted);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}
.md-icon-btn:hover {
    background: rgba(6, 214, 160, 0.1);
    color: var(--accent);
    text-decoration: none;
}
.md-icon-btn .material-symbols-rounded { font-size: 28px; }

/* Material chip */
.md-chip {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    border: none;
    white-space: nowrap;
}
.md-chip-primary {
    background: var(--accent);
    color: #111;
}
.md-chip-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-muted);
}
.md-chip-kcal { background: rgba(238,155,0,0.15); color: #c67c00; }
.md-chip-protein { background: rgba(6,214,160,0.12); color: #00897b; }
.md-chip-fat { background: rgba(238,155,0,0.12); color: #c67c00; }
.md-chip-carbs { background: rgba(92,124,250,0.12); color: var(--blue); }

/* ========== Footer ========== */
footer {
    border-top: 1px solid var(--border);
}
footer small, footer a {
    color: var(--text-muted) !important;
}
footer a:hover {
    color: var(--accent) !important;
}

/* ========== Dark Mode — Bootstrap 4 overrides ========== */
[data-theme="dark"] .navbar.md-navbar {
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
[data-theme="dark"] .md-elevation-1 { box-shadow: 0 1px 4px rgba(0,0,0,0.3); }
[data-theme="dark"] .md-elevation-2 { box-shadow: 0 2px 8px rgba(0,0,0,0.35); }
[data-theme="dark"] .md-elevation-4 { box-shadow: 0 4px 16px rgba(0,0,0,0.4); }

[data-theme="dark"] .md-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
[data-theme="dark"] .form-control,
[data-theme="dark"] .custom-select {
    background: var(--bg-input);
    border-color: var(--border-light);
    color: var(--text);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .custom-select:focus {
    background: var(--bg-card);
    border-color: var(--accent);
    color: var(--text);
}
[data-theme="dark"] .dropdown-menu {
    background: var(--bg-card);
    border-color: var(--border-light);
    color: var(--text);
}
[data-theme="dark"] .dropdown-item {
    color: var(--text-secondary);
}
[data-theme="dark"] .dropdown-item:hover {
    background: var(--bg-card-hover);
    color: var(--text);
}
[data-theme="dark"] .modal-content {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text);
}
[data-theme="dark"] .modal-header {
    border-color: var(--border);
}
[data-theme="dark"] .modal-footer {
    border-color: var(--border);
}
[data-theme="dark"] .alert-danger {
    background: rgba(230, 57, 70, 0.12);
    border-color: rgba(230, 57, 70, 0.2);
    color: #ff6b6b;
}
[data-theme="dark"] .alert-success {
    background: rgba(6, 214, 160, 0.12);
    border-color: rgba(6, 214, 160, 0.2);
    color: #06d6a0;
}
[data-theme="dark"] .table {
    color: var(--text);
}
[data-theme="dark"] .table-bordered,
[data-theme="dark"] .table-bordered th,
[data-theme="dark"] .table-bordered td {
    border-color: var(--border);
}
[data-theme="dark"] .close {
    color: var(--text);
    text-shadow: none;
}
[data-theme="dark"] .select2-container--bootstrap4 .select2-selection--single {
    background: var(--bg-input);
    border-color: var(--border-light);
    color: var(--text);
}
[data-theme="dark"] .select2-dropdown {
    background: var(--bg-card);
    border-color: var(--border-light);
}
[data-theme="dark"] .select2-results__option {
    color: var(--text);
}
[data-theme="dark"] .select2-results__option--highlighted {
    background: var(--accent) !important;
    color: #111 !important;
}