/* assets/css/style.css */
:root {
    /* Palette B: Professional Navy & Royal Blue */
    --primary: #2563eb;          /* Royal Blue */
    --primary-hover: #1d4ed8;    /* Darker Blue on Hover */
    --primary-light: #eff6ff;    /* Soft Blue Tint */
    --primary-border: #bfdbfe;   /* Border Accent */
    --navy-header: #1e293b;      /* Deep Slate/Navy for Headers */
    --navy-header-text: #ffffff;
    --bg-main: #f8fafc;          /* Cool Gray/Slate Background */
    --surface: #ffffff;          /* Pure White Cards */
    --text-main: #0f172a;        /* High Contrast Slate Text */
    --text-muted: #64748b;       /* Subtle Text / Captions */
    --border-color: #e2e8f0;     /* Clean Borders */

    /* Status Badges */
    --status-pending-bg: #fef3c7;
    --status-pending-text: #92400e;
    --status-approved-bg: #ecfdf5;
    --status-approved-text: #065f46;
    --status-completed-bg: #eff6ff;
    --status-completed-text: #1d4ed8;
    --status-cancelled-bg: #fef2f2;
    --status-cancelled-text: #991b1b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
}

/* Card & Containers */
.card {
    background: var(--surface);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    border: 1px solid var(--border-color);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.15s ease, transform 0.05s ease;
}

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

.btn-primary:active {
    transform: scale(0.98);
}

/* Inputs & Forms */
.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-main);
    background-color: #ffffff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-pending { background-color: var(--status-pending-bg); color: var(--status-pending-text); }
.badge-approved { background-color: var(--status-approved-bg); color: var(--status-approved-text); }
.badge-completed { background-color: var(--status-completed-bg); color: var(--status-completed-text); }
.badge-cancelled { background-color: var(--status-cancelled-bg); color: var(--status-cancelled-text); }

/* --- Reusable Frosted-Glass Modal Styles --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.modal-card {
    background: #ffffff;
    width: 100%;
    max-width: 400px;
    padding: 28px 24px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.25);
    animation: modalPop 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from { transform: scale(0.92); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-icon-circle {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: #fee2e2;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
}

.modal-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 8px;
}

.modal-card p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.btn-modal-cancel {
    flex: 1;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #475569;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.btn-modal-cancel:hover {
    background-color: #f8fafc;
}

.btn-modal-confirm {
    flex: 1;
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    background-color: #ef4444;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    line-height: 20px;
    transition: background-color 0.15s ease;
}

.btn-modal-confirm:hover {
    background-color: #dc2626;
}

/* ==========================================================
   MOBILE & TABLET RESPONSIVE SYSTEM
   ========================================================== */

/* 1. Global Touch & Viewport Baseline */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
    width: 100%;
}

/* 2. Responsive Top Navigation */
@media (max-width: 768px) {
    .top-navbar {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 14px !important;
        padding: 14px 18px !important;
    }

    .top-navbar > div:first-child {
        width: 100%;
        justify-content: flex-start;
    }

    .top-navbar h1 {
        font-size: 16px !important;
    }

    .top-navbar .nav-actions,
    .top-navbar > div:last-child {
        width: 100% !important;
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 10px !important;
        padding-top: 10px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .top-navbar .btn-primary,
    .top-navbar .btn-print-nav {
        padding: 7px 12px !important;
        font-size: 12px !important;
    }
}

/* 3. Containers & Layout Grids */
@media (max-width: 768px) {
    .container,
    .main-container,
    .main-wrapper {
        margin-top: 18px !important;
        padding: 0 14px !important;
    }

    .portal-hero,
    .portal-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 14px !important;
    }

    .portal-hero h2,
    .portal-header h2,
    .page-header h2 {
        font-size: 20px !important;
    }

    .btn-book-cta,
    .btn-new-booking {
        width: 100% !important;
        justify-content: center !important;
        text-align: center !important;
    }

    /* Metric cards: Stack into 1 column on phones */
    .metrics-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    /* Form & Booking workspaces: Collapse columns */
    .booking-workspace,
    .dashboard-body-grid,
    .main-container {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .form-row {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .booking-form-card,
    .form-card,
    .table-card {
        padding: 18px !important;
    }
}

/* 4. Responsive Filter Bar (Admin & Dentist Dashboards) */
@media (max-width: 768px) {
    .filter-card form,
    form.filter-form,
    div[style*="display: flex"][style*="gap: 12px"] {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
    }

    .filter-card select,
    .filter-card input,
    .filter-card button,
    .filter-card a {
        width: 100% !important;
    }
}

/* 5. Mobile Table Overflow & Touch Scrolling */
.table-card,
.portal-card,
.card-table-wrapper {
    width: 100%;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
}

/* Enforce minimum table width so clinical columns don't compress */
table,
.portal-table,
.styled-table {
    min-width: 680px;
    width: 100%;
}

@media (max-width: 768px) {
    th, td {
        padding: 10px 12px !important;
        font-size: 12.5px !important;
    }
}

/* 6. Modals & Dialogs on Small Screens */
@media (max-width: 480px) {
    .modal-card {
        width: 90% !important;
        padding: 20px 16px !important;
        margin: 0 auto;
    }

    .modal-actions {
        flex-direction: column !important;
        gap: 8px !important;
    }

    .btn-modal-cancel,
    .btn-modal-confirm {
        width: 100% !important;
        text-align: center;
        padding: 12px !important;
    }
}