/* ==========================================================================
   Clinic System - Main Stylesheet (mint/teal theme, dark mode, RTL)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --font-en: 'Outfit', sans-serif;
    --font-ar: 'Cairo', sans-serif;

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --accent: #6366f1;

    --bg-primary: #F8FAF9;
    --bg-secondary: #ffffff;
    --bg-sidebar: rgba(255, 255, 255, 0.85);
    --bg-card: #ffffff;
    --text-primary: #334155;
    --text-secondary: #5A6670;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --primary-gradient: linear-gradient(135deg, #A8D5BA, #9EDFD3);
    --primary-color: #14b8a6;
    --primary-soft: #EBF5F0;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --hover-bg: #EBF5F0;
    --sidebar-width: 262px;
    --header-height: 70px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

[data-theme="dark"] {
    --bg-primary: #1F2933;
    --bg-secondary: #2B3640;
    --bg-sidebar: rgba(43, 54, 64, 0.9);
    --bg-card: #2B3640;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #3a4652;
    --border-hover: #4b5563;
    --primary-color: #2dd4bf;
    --primary-soft: #33424f;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    --hover-bg: #3A4652;
}

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

body {
    font-family: var(--font-en);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    font-size: 14px;
}
html[dir="rtl"] body { font-family: var(--font-ar); }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---- Layout ---- */
#app-container { display: flex; width: 100%; min-height: 100vh; }

#sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    backdrop-filter: blur(12px);
    border-inline-end: 1px solid var(--border-color);
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.25s ease;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
    padding: 18px 20px; border-bottom: 1px solid var(--border-color);
}
.sidebar-brand img { height: 42px; width: auto; }
.sidebar-brand .brand-text { font-weight: 700; font-size: 15px; line-height: 1.3; color: var(--primary-color); }
.sidebar-brand .brand-sub { font-size: 11px; color: var(--text-muted); font-weight: 400; }

.sidebar-menu { flex: 1; padding: 14px 12px; overflow-y: auto; }
.menu-link {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px; border-radius: var(--radius-sm);
    color: var(--text-secondary); font-weight: 500; margin-bottom: 4px;
    transition: all 0.15s ease;
}
.menu-link i { width: 20px; text-align: center; font-size: 16px; }
.menu-link:hover { background: var(--hover-bg); color: var(--primary-color); }
.menu-link.active { background: var(--primary-gradient); color: #0f3d34; box-shadow: var(--shadow); }

.sidebar-footer { padding: 14px 18px; border-top: 1px solid var(--border-color); font-size: 12px; color: var(--text-muted); }

#main-content {
    flex: 1;
    margin-inline-start: var(--sidebar-width);
    display: flex; flex-direction: column; min-width: 0;
    transition: margin-inline-start 0.25s ease;
}

@media (min-width: 901px) {
    #app-container.sidebar-collapsed #sidebar {
        transform: translateX(-100%);
    }
    html[dir="rtl"] #app-container.sidebar-collapsed #sidebar {
        transform: translateX(100%);
    }
    #app-container.sidebar-collapsed #main-content {
        margin-inline-start: 0;
    }
}

#header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; gap: 16px;
    padding: 0 24px; position: sticky; top: 0; z-index: 50;
}
#header .page-title { font-size: 18px; font-weight: 700; }
#header .header-spacer { flex: 1; }
.header-search {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: 999px; padding: 8px 16px; min-width: 240px;
}
.header-search input { border: none; background: transparent; outline: none; color: var(--text-primary); width: 100%; }
.icon-btn {
    width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border-color);
    background: var(--bg-primary); color: var(--text-secondary);
    display: inline-flex; align-items: center; justify-content: center; font-size: 15px;
}
.icon-btn:hover { color: var(--primary-color); border-color: var(--primary-color); }

.view-viewport { padding: 24px; flex: 1; }

/* ---- Cards / metrics ---- */
.card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); box-shadow: var(--shadow); padding: 20px;
}
.card + .card { margin-top: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.card-title { font-size: 16px; font-weight: 700; }

.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-bottom: 22px; }
.metric-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 20px; box-shadow: var(--shadow);
    display: flex; align-items: center; gap: 16px;
}
.metric-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 22px; color: #fff; }
.metric-icon.teal { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.metric-icon.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.metric-icon.amber { background: linear-gradient(135deg, #f59e0b, #d97706); }
.metric-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.metric-value { font-size: 24px; font-weight: 700; }
.metric-label { font-size: 13px; color: var(--text-muted); }

/* ---- Buttons ---- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid transparent;
    font-weight: 600; font-size: 13px; transition: all 0.15s ease; background: var(--bg-primary); color: var(--text-primary);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary-gradient); color: #0f3d34; }
.btn-secondary { background: var(--bg-primary); border-color: var(--border-color); color: var(--text-secondary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-icon { padding: 6px 9px; }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; }
table.data-table th, table.data-table td { padding: 11px 14px; text-align: start; border-bottom: 1px solid var(--border-color); }
table.data-table th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-muted); background: var(--bg-primary); }
table.data-table tbody tr:hover { background: var(--hover-bg); }
.row-actions { display: inline-flex; gap: 6px; }

/* ---- Badges ---- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-success { background: rgba(16,185,129,0.15); color: #059669; }
.badge-warning { background: rgba(245,158,11,0.15); color: #d97706; }
.badge-danger { background: rgba(239,68,68,0.15); color: #dc2626; }
.badge-info { background: rgba(6,182,212,0.15); color: #0891b2; }
.badge-muted { background: rgba(148,163,184,0.18); color: #64748b; }

.invoice-cancelled-row td { color: #b91c1c; text-decoration: line-through; opacity: 0.85; }
.company-terminated { opacity: 0.7; border-inline-start: 4px solid var(--warning); }

.card-header input, .card-header select { width: auto; }

/* ---- Forms ---- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
input, select, textarea {
    padding: 10px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-sm);
    background: var(--bg-secondary); color: var(--text-primary); font-family: inherit; font-size: 14px;
}
.form-group input, .form-group select, .form-group textarea,
.login-card input, .login-card select,
.filters input, .filters select { width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(20,184,166,0.15); }
textarea { resize: vertical; min-height: 80px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--border-color); margin-bottom: 18px; flex-wrap: wrap; }
.tab-btn { padding: 10px 16px; border: none; background: transparent; color: var(--text-secondary); font-weight: 600; border-bottom: 2px solid transparent; }
.tab-btn.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ---- Modal ---- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(15,23,42,0.55);
    display: none; align-items: flex-start; justify-content: center; z-index: 500; padding: 40px 16px; overflow-y: auto;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
    width: 100%; max-width: 640px; max-height: 90vh; display: flex; flex-direction: column;
}
.modal.modal-lg { max-width: 900px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border-color); }
.modal-head h3 { font-size: 17px; }
.modal-body { padding: 22px; overflow-y: auto; }
.modal-foot { padding: 16px 22px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 10px; }

/* ---- Login ---- */
.login-screen { width: 100%; min-height: 100vh; display: grid; place-items: center; background: var(--primary-gradient); }
.login-card { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 36px; width: 100%; max-width: 400px; }
.login-card img { height: 64px; display: block; margin: 0 auto 12px; }
.login-card h2 { text-align: center; margin-bottom: 4px; }
.login-card p.sub { text-align: center; color: var(--text-muted); margin-bottom: 24px; font-size: 13px; }

/* ---- Misc ---- */
.two-col { display: grid; grid-template-columns: 320px 1fr; gap: 20px; align-items: start; }
.list-item { padding: 12px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); margin-bottom: 8px; cursor: pointer; }
.list-item:hover, .list-item.active { border-color: var(--primary-color); background: var(--primary-soft); }
.muted { color: var(--text-muted); }
.text-end { text-align: end; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 16px; } .mb-2 { margin-bottom: 8px; }
.flex { display: flex; } .gap-2 { gap: 8px; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.hidden { display: none !important; }
.totals-box { background: var(--bg-primary); border-radius: var(--radius-md); padding: 16px; }
.totals-row { display: flex; justify-content: space-between; padding: 5px 0; }
.totals-row.grand { font-weight: 700; font-size: 16px; border-top: 1px solid var(--border-color); margin-top: 6px; padding-top: 10px; color: var(--primary-color); }
.pagetop { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.filters input, .filters select { max-width: 220px; }

.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; inset-inline-end: 0; top: calc(100% + 8px); background: var(--bg-card);
    border: 1px solid var(--border-color); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
    min-width: 180px; padding: 8px; display: none; z-index: 60;
}
.dropdown-menu.open { display: block; }
.dropdown-menu a { display: block; padding: 8px 12px; border-radius: 6px; }
.dropdown-menu a:hover { background: var(--hover-bg); }

@media (max-width: 900px) {
    #sidebar { transform: translateX(-100%); }
    html[dir="rtl"] #sidebar { transform: translateX(100%); }
    #sidebar.open { transform: translateX(0); }
    #main-content { margin-inline-start: 0; }
    .two-col { grid-template-columns: 1fr; }
}

/* ---- DataTables theme integration ---- */
div.dt-container {
    color: var(--text-primary);
    font-size: 13px;
    width: 100%;
}

/* Layout rows (global form reset must not break flex alignment) */
div.dt-container div.dt-layout-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    margin: 0.75em 0;
}
div.dt-container div.dt-layout-row.dt-layout-table {
    display: block;
    margin: 0;
}
div.dt-container div.dt-layout-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 1 auto;
}
div.dt-container div.dt-layout-cell.dt-layout-start { margin-inline-end: auto; }
div.dt-container div.dt-layout-cell.dt-layout-end { margin-inline-start: auto; }
div.dt-container div.dt-layout-start > *:not(:last-child) { margin-inline-end: 1em; }
div.dt-container div.dt-layout-end > *:not(:first-child) { margin-inline-start: 1em; }

div.dt-container .dt-length label,
div.dt-container .dt-search label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    white-space: nowrap;
    font-weight: 600;
    color: var(--text-secondary);
}
div.dt-container .dt-search input,
div.dt-container .dt-length select {
    width: auto;
    min-width: 4.5rem;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
}
div.dt-container .dt-search input { min-width: 200px; }

div.dt-container .dt-info { color: var(--text-muted); }
div.dt-container .dt-paging {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}
div.dt-container .dt-paging .dt-paging-button {
    border: 1px solid var(--border-color) !important;
    background: var(--bg-secondary) !important;
    color: var(--text-secondary) !important;
    border-radius: 6px !important;
    margin: 0 !important;
    padding: 6px 12px !important;
    min-width: 2rem;
}
div.dt-container .dt-paging .dt-paging-button.current,
div.dt-container .dt-paging .dt-paging-button:hover:not(.disabled) {
    background: var(--primary-soft) !important;
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

table.dataTable { width: 100% !important; border-collapse: collapse; }
table.dataTable thead th {
    background: var(--bg-primary);
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--border-color);
    padding: 11px 14px;
}
table.dataTable tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}
table.dataTable tbody tr:hover { background: var(--hover-bg); }
table.dataTable tbody tr.active { background: var(--primary-soft) !important; }
#companies-table tbody tr { cursor: pointer; }
div.dt-container .dt-empty { color: var(--text-muted); padding: 20px; text-align: center; }

@media (max-width: 767px) {
    div.dt-container div.dt-layout-row:not(.dt-layout-table) {
        flex-direction: column;
        align-items: stretch;
    }
    div.dt-container div.dt-layout-cell.dt-layout-start,
    div.dt-container div.dt-layout-cell.dt-layout-end {
        margin-inline: 0;
        justify-content: center;
    }
    div.dt-container .dt-search input { width: 100%; min-width: 0; }
}