/* Admin Panel Styles */
:root {
    --primary: #1a56db;
    --primary-dark: #1e429f;
    --success: #059669;
    --danger: #dc2626;
    --warning: #d97706;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --sidebar-width: 260px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
}

/* Login Screen */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 50%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.login-screen.hidden {
    display: none;
}

.login-box {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.login-logo svg {
    width: 40px;
    height: 40px;
}

.login-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.login-box .form-group {
    margin-bottom: 20px;
}

.login-box label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.login-box input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
}

.login-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

.login-error {
    color: var(--danger);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 16px;
    min-height: 24px;
}

.admin-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-700);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo svg {
    width: 36px;
    height: 36px;
}

.logo span {
    font-size: 1.25rem;
    font-weight: 700;
}

.sidebar-nav {
    padding: 16px 12px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    margin-bottom: 4px;
}

.nav-item:hover {
    background: var(--gray-800);
    color: var(--white);
}

.nav-item.active {
    background: var(--primary);
    color: var(--white);
}

.nav-item svg {
    width: 20px;
    height: 20px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-700);
}

.sidebar-footer p {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px 32px;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.header-title h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.header-title p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white);
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 10px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--gray-200);
}

.btn-cancel {
    background: transparent;
    color: var(--gray-600);
    padding: 10px 20px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-cancel:hover {
    background: var(--gray-100);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-icon {
    background: transparent;
    border: none;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--gray-500);
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-icon.danger:hover {
    background: #fef2f2;
    color: var(--danger);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 26px;
    height: 26px;
}

.stat-icon.blue {
    background: #dbeafe;
    color: var(--primary);
}

.stat-icon.green {
    background: #d1fae5;
    color: var(--success);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Table */
.table-container {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    overflow: hidden;
}

.table-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.table-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 16px 24px;
    text-align: left;
}

.data-table th {
    background: var(--gray-50);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.95rem;
    color: var(--gray-700);
}

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

.data-table tr:hover td {
    background: var(--gray-50);
}

.business-name {
    display: flex;
    align-items: center;
    gap: 12px;
}

.business-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.business-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.url-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.url-text {
    font-family: monospace;
    font-size: 0.85rem;
    background: var(--gray-100);
    padding: 6px 12px;
    border-radius: 6px;
    color: var(--primary);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.actions-cell {
    display: flex;
    gap: 8px;
}

/* Empty State */
.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.empty-state.show {
    display: flex;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.2s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--gray-600);
}

/* Form */
#addBusinessForm {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 6px;
}

.required {
    color: var(--danger);
}

.optional {
    color: var(--gray-400);
    font-weight: 400;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
    margin-top: 24px;
}

.btn-group {
    display: flex;
    gap: 12px;
}

/* Success Modal */
.modal-success {
    text-align: center;
    padding: 40px 32px;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: #d1fae5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.success-icon svg {
    width: 32px;
    height: 32px;
    color: var(--success);
}

.modal-success h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.modal-success p {
    color: var(--gray-500);
    margin-bottom: 16px;
}

.url-display {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.url-display input {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.9rem;
    background: var(--gray-50);
}

.btn-copy {
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-copy:hover {
    background: var(--gray-200);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--gray-900);
    color: var(--white);
    padding: 14px 24px;
    border-radius: 8px;
    font-size: 0.95rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
    }

    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .data-table th,
    .data-table td {
        padding: 12px 16px;
    }

    .url-text {
        max-width: 150px;
    }

    .form-actions {
        flex-direction: column;
        gap: 16px;
    }

    .btn-group {
        width: 100%;
    }

    .btn-group button {
        flex: 1;
    }
}