/*
 |  Dental Management System — Theme
 |  Palette: Dark Blue #0A2342 · Red #C1121F · White · Light Gray
 */
:root {
    --dms-navy: #0A2342;
    --dms-navy-700: #0d2c54;
    --dms-navy-600: #143a6b;
    --dms-red: #C1121F;
    --dms-red-600: #a30f1a;
    --dms-white: #ffffff;
    --dms-gray: #f4f6f9;
    --dms-gray-200: #e7ebf0;
    --dms-gray-400: #c3ccd6;
    --dms-text: #1f2d3d;
    --dms-muted: #6c7a89;
    --dms-sidebar-w: 260px;
    --dms-topbar-h: 62px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    /* English uses Segoe UI/Arial; Bangla glyphs fall back to Noto Serif Bengali */
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Serif Bengali", sans-serif;
    background: var(--dms-gray);
    color: var(--dms-text);
    font-size: 14.5px;
}

input, select, textarea, button, .form-control, .form-select {
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Serif Bengali", sans-serif;
}

a { text-decoration: none; }

/* ---------- Auth screens ---------- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dms-navy) 0%, var(--dms-navy-600) 100%);
    padding: 24px;
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 18px 48px rgba(10, 35, 66, .35);
    overflow: hidden;
}
.auth-card .auth-head {
    background: var(--dms-navy);
    color: #fff;
    padding: 26px 28px;
    text-align: center;
}
.auth-card .auth-head .brand-badge {
    width: 56px; height: 56px; line-height: 56px;
    border-radius: 14px;
    background: var(--dms-red);
    display: inline-block;
    font-size: 26px;
    margin-bottom: 10px;
}
.auth-card .auth-body { padding: 28px; }

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--dms-sidebar-w);
    background: var(--dms-navy);
    color: #cdd6e3;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    overflow-y: auto;
    transition: transform .25s ease;
    z-index: 1040;
}
.sidebar .sidebar-brand {
    height: var(--dms-topbar-h);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px;
    color: #fff;
    font-weight: 700;
    font-size: 17px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar .sidebar-brand .dot { color: var(--dms-red); }
.sidebar .nav-section {
    padding: 14px 20px 6px;
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #6f7f97;
}
.sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 20px;
    color: #cdd6e3;
    border-left: 3px solid transparent;
}
.sidebar .nav-link:hover { background: var(--dms-navy-700); color: #fff; }
.sidebar .nav-link.active {
    background: var(--dms-navy-700);
    color: #fff;
    border-left-color: var(--dms-red);
}
.sidebar .nav-link i { width: 18px; text-align: center; }

.content-wrap {
    flex: 1;
    margin-left: var(--dms-sidebar-w);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    height: var(--dms-topbar-h);
    background: #fff;
    border-bottom: 1px solid var(--dms-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    position: sticky;
    top: 0;
    z-index: 1030;
}
.topbar .btn-burger {
    border: none; background: transparent; font-size: 20px;
    color: var(--dms-navy); display: none;
}
.page-body { padding: 22px; flex: 1; }

/* ---------- Cards / widgets ---------- */
.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 18px;
    border: 1px solid var(--dms-gray-200);
    height: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
}
.stat-card .stat-icon {
    width: 52px; height: 52px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #fff; flex: 0 0 52px;
}
.stat-card .stat-value { font-size: 22px; font-weight: 700; line-height: 1.1; }
.stat-card .stat-label { color: var(--dms-muted); font-size: 12.5px; }

.bg-navy { background: var(--dms-navy) !important; }
.bg-red { background: var(--dms-red) !important; }
.text-navy { color: var(--dms-navy) !important; }
.text-red { color: var(--dms-red) !important; }

.btn-navy { background: var(--dms-navy); border-color: var(--dms-navy); color: #fff; }
.btn-navy:hover { background: var(--dms-navy-700); border-color: var(--dms-navy-700); color: #fff; }
.btn-red { background: var(--dms-red); border-color: var(--dms-red); color: #fff; }
.btn-red:hover { background: var(--dms-red-600); border-color: var(--dms-red-600); color: #fff; }

.panel {
    background: #fff;
    border: 1px solid var(--dms-gray-200);
    border-radius: 12px;
}
.panel .panel-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--dms-gray-200);
    font-weight: 600;
    color: var(--dms-navy);
    display: flex; align-items: center; justify-content: space-between;
}
.panel .panel-body { padding: 18px; }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .content-wrap { margin-left: 0; }
    .topbar .btn-burger { display: inline-block; }
}

.sidebar-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.45);
    z-index: 1035; display: none;
}
.sidebar-backdrop.show { display: block; }