:root {
    --navbar-height: 60px;
    --primary-color: #3498db;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --secondary-color: #6c757d;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
}

/* Navbar Styles */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    min-height: var(--navbar-height);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar-brand {
    font-weight: 700;
    color: #2c3e50;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0;
}

.navbar-brand img {
    display: block;
}

.navbar-brand i {
    color: var(--primary-color);
}

.navbar-nav {
    align-items: center;
}

.navbar-nav .nav-link {
    display: flex;
    align-items: center;
}

.navbar-text {
    color: var(--primary-color);
    font-weight: 500;
}

/* Navbar Collapse Background on Mobile */
@media (max-width: 991px) {
    .navbar-collapse {
        background-color: #fff;
        padding: 1rem;
        border-radius: 8px;
        margin-top: 0.5rem;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
}

@media (min-width: 992px) {
    .navbar-collapse {
        display: flex !important;
        align-items: center;
    }
}

/* Main Content */
.main-content {
    padding: 2rem;
    margin-top: var(--navbar-height);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 2rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 2px solid #f0f0f0;
    padding: 1.25rem;
    font-weight: 600;
    font-size: 1.1rem;
}


/* Compact card body for exchange toggle */
.card-body-compact {
    padding: 0.75rem 1.25rem !important;
}

/* Compact search section */
.search-container-compact {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
}

.search-input-group-compact .form-control {
    max-width: 500px;
}

/* Payment Block */
.payment-block {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #28a745 !important;
}

.payment-block .card-title {
    color: #2c3e50;
    font-weight: 700;
}

.payment-block .table {
    font-size: 0.9rem;
}

.premium-col {
    background-color: #d4edda;
    color: #155724;
    font-weight: 600;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
}

.stock-table {
    margin-bottom: 0;
    table-layout: fixed;
}

.stock-table thead {
    background-color: #f8f9fa;
}

.stock-table th {
    font-weight: 600;
    color: #495057;
    border-bottom: 2px solid #dee2e6;
    padding: 0.75rem 1rem;
}

.stock-table th:nth-child(1) {
    width: 60%;
}

.stock-table th:nth-child(2) {
    width: 25%;
}

.stock-table th:nth-child(3) {
    width: 15%;
}

.stock-table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.stock-table td:nth-child(1) {
    white-space: normal;
    word-break: break-word;
}

.sortable-header {
    cursor: pointer;
    user-select: none;
}

.sortable-header:hover {
    background-color: #e9ecef;
}

.stock-name-link {
    color: #337ab7;
    text-decoration: none;
    font-weight: 400;
}

.stock-name-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
}

/* Search Box */
.search-container {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
}

.stock-search-results {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    background-color: #fff;
    display: none;
}

.stock-search-results.show {
    display: block;
}

.search-result-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-result-item:hover {
    background-color: #f8f9fa;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-company {
    font-weight: 600;
    color: #2c3e50;
}

/* Announcements */
.announcement-item {
    padding: 1rem;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s;
}

.announcement-item:hover {
    background-color: #f8f9fa;
}

.announcement-item:last-child {
    border-bottom: none;
}

.announcement-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.announcement-link:hover {
    color: var(--primary-color);
}

.announcement-company {
    font-weight: 600;
    color: #2c3e50;
    font-size: 0.95rem;
}

.announcement-subject {
    color: #495057;
    font-size: 0.9rem;
    margin: 0.25rem 0;
}

.announcement-time {
    font-size: 0.8rem;
    color: #95a5a6;
}

.badge-new {
    background-color: var(--primary-color);
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
}

/* User Dropdown */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
}

.user-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* Exchange Toggle */
.btn-check:checked + .btn-outline-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Loading Spinner */
.spinner-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.spinner-overlay.show {
    display: flex;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #6c757d;
}

.empty-state i {
    font-size: 4rem;
    color: #dee2e6;
    margin-bottom: 1rem;
}

/* Toast Container */
.toast-container {
    z-index: 10000;
}

/* Checkbox */
.delete-checkbox {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
        margin-top: calc(var(--navbar-height) + 10px);
        max-width: 100%;
    }

    .card-header {
        font-size: 0.95rem;
        padding: 0.75rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .card-header .btn-sm {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }

    .card-header span {
        font-size: 0.95rem;
    }

    .stock-table {
        table-layout: auto;
    }

    .stock-table td, .stock-table th {
        padding: 0.5rem;
        font-size: 0.85rem;
    }

    .stock-table th:nth-child(1),
    .stock-table th:nth-child(2),
    .stock-table th:nth-child(3) {
        width: auto;
    }

    /* Keep exchange toggle buttons side-by-side on mobile */
    .btn-group {
        display: flex;
        flex-wrap: nowrap;
    }

    .btn-group label {
        flex: 1;
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
    }

    /* Ensure navbar collapse has proper background */
    .navbar-collapse.show,
    .navbar-collapse.collapsing {
        background-color: #fff;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        padding: 1rem;
        margin-top: 0.5rem;
        border-radius: 8px;
    }

    /* Adjust navbar items spacing on mobile */
    .navbar-nav {
        margin-bottom: 1rem;
    }

    .navbar-nav .nav-item {
        margin-bottom: 0.5rem;
    }
}

/* Modal Enhancements */
.modal-header {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
}

.modal-title {
    color: #2c3e50;
    font-weight: 600;
}

/* Form Switches */
.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    font-weight: 500;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #218838;
    border-color: #218838;
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #c82333;
    border-color: #c82333;
}

/* Scrollbar Styling */
.card-body::-webkit-scrollbar,
.stock-search-results::-webkit-scrollbar {
    width: 8px;
}

.card-body::-webkit-scrollbar-track,
.stock-search-results::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.card-body::-webkit-scrollbar-thumb,
.stock-search-results::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.card-body::-webkit-scrollbar-thumb:hover,
.stock-search-results::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Additional compact styles */
@media (min-width: 769px) {
    .search-input-group-compact {
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .search-input-group-compact {
        max-width: 100%;
    }
    
    .search-input-group-compact .form-control {
        font-size: 0.9rem;
    }
}