:root {
    /* Colors */
    /* Colors */
    --color-primary: #dc2626;
    /* Tailwind Red 600 */
    --color-primary-light: #ef4444;
    /* Tailwind Red 500 */
    --color-action: #b91c1c;
    /* Tailwind Red 700 */
    --color-accent: #ffffff;
    /* White */
    --color-accent-text: #dc2626;
    /* Text on White */
    --color-bg: #f4f6f9;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #e0e0e0;
    --color-success: #e6f4ea;
    --color-success-text: #1e7e34;
    --color-warning: #fff8e1;
    --color-warning-text: #b38600;
    --color-danger: #fdecea;
    --color-danger-text: #c62828;

    /* Specific Table Button Colors */
    --color-table-btn-primary: #dc2626;
    /* Red */
    --color-table-btn-text: #ffffff;
    /* White Text */
    --color-table-btn-hover: #b91c1c;
    /* Darker Red */

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    height: 100vh;
    overflow: hidden;
}

#app {
    display: flex;
    height: 100%;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--color-primary);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    transition: width 0.3s;
}

.brand {
    padding: var(--spacing-lg);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-links {
    list-style: none;
    flex: 1;
    padding: var(--spacing-md);
}

.nav-links li {
    margin-bottom: var(--spacing-xs);
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.nav-links a.active {
    border-left: 4px solid var(--color-white);
}

.user-profile {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    background-color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.top-bar h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.content-wrapper {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* Mobile */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -250px;
        height: 100%;
        z-index: 1000;
    }

    .sidebar.open {
        left: 0;
    }

    .mobile-only {
        display: block;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 15px;
    }
    .page-header-actions {
        width: 100%;
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    .page-header-actions .btn {
        flex: 1 1 45%;
        font-size: 0.85rem;
        padding: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }

    .chat-modal-filters {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    .chat-modal-filters input, .chat-modal-filters button {
        width: 100% !important;
        margin-bottom: 5px;
    }
    
    .chat-modal-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 15px !important;
    }
    .chat-modal-header-actions {
        width: 100% !important;
        justify-content: space-between !important;
    }
    .mobile-hidden-filters {
        display: none !important;
    }
    .mobile-hidden-filters.show {
        display: flex !important;
    }
}

@media (min-width: 769px) {
    .mobile-only {
        display: none;
    }
}

/* Utilities */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-primary {
    background-color: var(--color-action);
    color: var(--color-white);
}

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

.btn-warning {
    background-color: #fca5a5;
    /* Light Red/Pinkish for warning in this theme */
    color: #7f1d1d;
    /* Dark Red text */
    font-weight: 600;
}

.btn-warning:hover {
    background-color: #f87171;
}

.btn-danger {
    background-color: #d32f2f;
    /* Red */
    color: var(--color-white);
}

.btn-danger:hover {
    background-color: #b71c1c;
}

/* Specific Table Action Button */
.btn-table-action {
    background-color: var(--color-primary);
    /* Red */
    color: var(--color-white) !important;
    /* White */
    font-weight: 700;
}

.btn-table-action:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white) !important;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    /* Ensure content doesn't overflow card */
    overflow: hidden;
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(2px);
}

.modal-content {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 450px;
    /* Slightly smaller max-width */
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    /* Prevent touching top/bottom */
    overflow-y: auto;
    /* Scroll internally */
    margin: 20px;
    /* Margin from edges on mobile */
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--color-white);
    color: var(--color-text-primary);
    padding: 1rem 1.5rem;
    min-width: 300px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease-out;
    border-left: 5px solid var(--color-primary);
}

.toast.success {
    border-left-color: var(--color-success);
}

.toast.error {
    border-left-color: var(--color-danger);
}

.toast.info {
    border-left-color: var(--color-primary);
}

.toast i {
    font-size: 1.2rem;
}

.toast.success i {
    color: var(--color-success);
}

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

.toast.info i {
    color: var(--color-primary);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
    }
}

/* Global Confirmation Modal */
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-md);
}

.modal-header h3 {
    margin: 0;
    color: var(--color-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
}

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

/* Login Page specific */
body.login-page {
    background-color: var(--color-primary) !important;
    overflow: hidden;
    /* Prevent scrolling */
}

/* Hide standard layout elements when on login page */
body.login-page #sidebar,
body.login-page .top-bar,
body.login-page .sidebar {
    display: none !important;
}

body.login-page .main-content {
    margin-left: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100vw;
}

body.login-page .content-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    overflow: hidden;
    padding: 0;
}

.login-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.login-container h2 {
    color: var(--color-primary);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 1rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.btn-block {
    width: 100%;
}

/* --- Table Enhancements (Restoring & Improving) --- */
.table-responsive {
    overflow-x: auto;
    width: 100%;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
    /* Force scroll on mobile */
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    /* Prevent squashing */
}

.table th {
    background-color: #f8f9fa;
    /* Light gray header */
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    position: sticky;
    top: 0;
}

.table th:hover {
    background-color: #e9ecef;
}

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

/* Filters */
.filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.search-input {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    min-width: 250px;
    font-size: 0.95rem;
}

/* Pills/Badges */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: capitalize;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

/* Status Colors */
.badge.success,
.badge.active,
.badge.Normal,
.badge.completed {
    /* Entregado -> Green */
    background-color: var(--color-success);
    color: var(--color-success-text);
}

.badge.warning,
.badge.created,
.badge.Bajo {
    background-color: var(--color-warning);
    color: var(--color-warning-text);
}

.badge.pending_payment,
/* Pendiente de Pago -> Blue */
.badge.paid {
    /* Pagado -> Blue */
    background-color: #e3f2fd;
    color: #0d47a1;
}

.badge.danger,
.badge.cancelled,
.badge.inactive {
    background-color: var(--color-danger);
    color: var(--color-danger-text);
}

.badge.refunded {
    background-color: #f3e5f5;
    color: #7b1fa2;
}

/* Pet Tag Style / Subscription Tag Style (Red background, White text) */
.badge.pet-tag {
    background-color: var(--color-primary) !important;
    color: var(--color-white) !important;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
    margin-right: 4px;
    margin-bottom: 2px;
    font-weight: 700;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid transparent;
    text-align: center;
}

.badge.pet-tag:hover {
    background-color: var(--color-primary-light) !important;
    color: var(--color-white) !important;
    text-decoration: none;
    border-color: var(--color-white);
}