:root,
:root[data-theme="light"] {
    --clinic-bg: #eef4fb;
    --clinic-surface: rgba(255, 255, 255, .82);
    --clinic-surface-solid: #ffffff;
    --clinic-surface-2: rgba(248, 250, 252, .9);
    --clinic-border: rgba(15, 23, 42, .10);
    --clinic-border-strong: rgba(15, 23, 42, .16);
    --clinic-primary: #2563eb;
    --clinic-primary-dark: #1d4ed8;
    --clinic-primary-soft: rgba(37, 99, 235, .12);
    --clinic-cyan: #06b6d4;
    --clinic-success: #0f9f6e;
    --clinic-danger: #dc2626;
    --clinic-warning: #f59e0b;
    --clinic-text: #0f172a;
    --clinic-heading: #020617;
    --clinic-muted: #64748b;
    --clinic-shadow: 0 24px 70px rgba(15, 23, 42, .12);
    --clinic-shadow-soft: 0 14px 40px rgba(15, 23, 42, .09);
    --clinic-radius: 22px;
    --clinic-radius-sm: 14px;
    --clinic-input-bg: rgba(255,255,255,.88);
    --clinic-topbar: rgba(255,255,255,.74);
}

:root[data-theme="dark"] {
    --clinic-bg: #07111f;
    --clinic-surface: rgba(15, 23, 42, .74);
    --clinic-surface-solid: #0f172a;
    --clinic-surface-2: rgba(30, 41, 59, .76);
    --clinic-border: rgba(148, 163, 184, .16);
    --clinic-border-strong: rgba(148, 163, 184, .28);
    --clinic-primary: #60a5fa;
    --clinic-primary-dark: #3b82f6;
    --clinic-primary-soft: rgba(96, 165, 250, .16);
    --clinic-cyan: #22d3ee;
    --clinic-success: #34d399;
    --clinic-danger: #fb7185;
    --clinic-warning: #fbbf24;
    --clinic-text: #dbeafe;
    --clinic-heading: #f8fafc;
    --clinic-muted: #94a3b8;
    --clinic-shadow: 0 24px 70px rgba(0, 0, 0, .36);
    --clinic-shadow-soft: 0 14px 40px rgba(0, 0, 0, .25);
    --clinic-input-bg: rgba(15,23,42,.72);
    --clinic-topbar: rgba(2, 6, 23, .68);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
    min-height: 100vh;
    color: var(--clinic-text);
    background:
        radial-gradient(circle at 7% 8%, color-mix(in srgb, var(--clinic-primary) 24%, transparent), transparent 30rem),
        radial-gradient(circle at 88% 5%, color-mix(in srgb, var(--clinic-cyan) 18%, transparent), transparent 28rem),
        radial-gradient(circle at 50% 100%, rgba(20, 184, 166, .10), transparent 34rem),
        var(--clinic-bg);
    background-attachment: fixed;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

:root[dir="rtl"] body,
:root[dir="rtl"] .form-control,
:root[dir="rtl"] .form-select,
:root[dir="rtl"] .btn,
:root[dir="rtl"] .modal,
:root[dir="rtl"] .dropdown-menu {
    font-family: "Noto Sans Arabic", Tahoma, Arial, sans-serif;
}

a { color: var(--clinic-primary); }
a:hover { color: var(--clinic-primary-dark); }
.text-muted, .form-text, .text-secondary { color: var(--clinic-muted) !important; }
.text-danger { color: var(--clinic-danger) !important; }

.app-shell { min-height: 100vh; }
.glass-panel,
.card,
.modal-content,
.sidebar-card,
.login-form-panel {
    background: var(--clinic-surface) !important;
    border: 1px solid var(--clinic-border) !important;
    box-shadow: var(--clinic-shadow-soft) !important;
    backdrop-filter: blur(18px) saturate(140%);
}

.topbar {
    min-height: 78px;
    background: var(--clinic-topbar);
    border-bottom: 1px solid var(--clinic-border);
    backdrop-filter: blur(18px) saturate(140%);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.brand-mark {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 17px;
    color: white;
    background: linear-gradient(135deg, #2563eb, #06b6d4 55%, #14b8a6);
    box-shadow: 0 16px 32px rgba(37, 99, 235, .28);
}

.user-chip {
    min-height: 42px;
    padding: .35rem .55rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--clinic-surface-solid) 64%, transparent);
    border: 1px solid var(--clinic-border);
}
.avatar-mini,
.avatar-initials {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    color: white;
    font-weight: 850;
    background: linear-gradient(135deg, var(--clinic-primary), var(--clinic-cyan));
    box-shadow: 0 12px 22px color-mix(in srgb, var(--clinic-primary) 24%, transparent);
}
.avatar-mini { width: 34px; height: 34px; border-radius: 12px; font-size: .85rem; }
.avatar-large { width:58px; height:58px; border-radius:20px; font-size:1.35rem; }
.avatar-photo,
.patient-profile-photo {
    object-fit: cover;
    border: 2px solid color-mix(in srgb, var(--clinic-primary) 22%, transparent);
    box-shadow: 0 12px 24px rgba(15, 23, 42, .14);
}
.avatar-photo { width: 44px; height: 44px; border-radius: 16px; }
.patient-profile-photo { width: 72px; height: 72px; border-radius: 24px; }

.chrome-select {
    width: auto;
    min-width: 104px;
    background-color: var(--clinic-input-bg);
    color: var(--clinic-text);
    border-color: var(--clinic-border-strong);
}

.theme-switcher {
    display: inline-flex;
    gap: .25rem;
    padding: .25rem;
    border: 1px solid var(--clinic-border);
    border-radius: 999px;
    background: color-mix(in srgb, var(--clinic-surface-solid) 64%, transparent);
}
.theme-option {
    border: 0;
    color: var(--clinic-muted);
    background: transparent;
    border-radius: 999px;
    padding: .42rem .62rem;
    font-size: .78rem;
    font-weight: 800;
    line-height: 1;
    transition: .18s ease;
}
.theme-option:hover { color: var(--clinic-primary); background: var(--clinic-primary-soft); }
.theme-option.active { color: white; background: linear-gradient(135deg, var(--clinic-primary), var(--clinic-cyan)); box-shadow: 0 10px 20px rgba(37, 99, 235, .20); }

.sidebar-card {
    position: sticky;
    top: 102px;
    border-radius: var(--clinic-radius);
    overflow: hidden;
}
.sidebar-title {
    color: var(--clinic-muted);
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-weight: 850;
}
.nav-pills-modern .list-group-item {
    display: flex;
    align-items: center;
    gap: .62rem;
    border: 0;
    margin: 4px 8px;
    border-radius: 15px !important;
    color: var(--clinic-text);
    background: transparent;
    font-weight: 750;
    padding: .82rem .92rem;
    transition: .18s ease;
}
.nav-pills-modern .list-group-item:hover { color: var(--clinic-primary); background: var(--clinic-primary-soft); transform: translateY(-1px); }
.nav-pills-modern .list-group-item.active { color: white; background: linear-gradient(135deg, var(--clinic-primary), var(--clinic-cyan)); box-shadow: 0 14px 26px rgba(37, 99, 235, .24); }
.nav-icon { width: 1.4rem; display:inline-grid; place-items:center; }

.page-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 1.45rem;
}
.page-kicker {
    color: var(--clinic-primary);
    font-size: .75rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: .28rem;
}
.page-title {
    color: var(--clinic-heading);
    font-size: clamp(1.45rem, 1rem + 1.2vw, 2.18rem);
    font-weight: 900;
    letter-spacing: -.04em;
    margin: 0;
}
.page-subtitle { color: var(--clinic-muted); margin: .35rem 0 0; }

.card,
.modal-content { border-radius: var(--clinic-radius) !important; }
.card-header,
.modal-header,
.modal-footer { border-color: var(--clinic-border) !important; }
.modal-header, .modal-footer { background: color-mix(in srgb, var(--clinic-surface-2) 86%, transparent); }

.stat-card { position: relative; overflow: hidden; min-height: 142px; isolation: isolate; }
.stat-card::after {
    content: "";
    position: absolute;
    right: -34px;
    top: -34px;
    width: 124px;
    height: 124px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clinic-primary-soft), rgba(6,182,212,.12));
    z-index: -1;
}
:root[dir="rtl"] .stat-card::after { right: auto; left: -34px; }
.stat-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: var(--clinic-primary-soft);
    color: var(--clinic-primary);
    font-size: 1.35rem;
}
.stat-label { color: var(--clinic-muted); font-size: .72rem; font-weight: 900; text-transform: uppercase; letter-spacing: .075em; }
.stat-value { color: var(--clinic-heading); font-size: 2.1rem; font-weight: 950; letter-spacing: -.045em; }

.btn { border-radius: 14px; font-weight: 800; transition: .18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, #2563eb, #06b6d4); border: 0; box-shadow: 0 12px 24px rgba(37, 99, 235, .20); }
.btn-primary:hover { background: linear-gradient(135deg, #1d4ed8, #0891b2); }
.btn-success { background: linear-gradient(135deg, #0f9f6e, #10b981); border: 0; }
.btn-danger { background: var(--clinic-danger); border: 0; }
.btn-outline-primary { border-color: color-mix(in srgb, var(--clinic-primary) 38%, transparent); color: var(--clinic-primary); }
.btn-outline-secondary, .btn-outline-dark, .btn-outline-danger { background: color-mix(in srgb, var(--clinic-surface-solid) 58%, transparent); border-color: var(--clinic-border-strong); }

.form-control,
.form-select {
    border-radius: 14px;
    border-color: var(--clinic-border-strong);
    padding: .72rem .92rem;
    background-color: var(--clinic-input-bg);
    color: var(--clinic-text);
}
.form-control::placeholder { color: color-mix(in srgb, var(--clinic-muted) 78%, transparent); }
.form-control:focus,
.form-select:focus { border-color: color-mix(in srgb, var(--clinic-primary) 70%, transparent); box-shadow: 0 0 0 .25rem color-mix(in srgb, var(--clinic-primary) 16%, transparent); background-color: var(--clinic-input-bg); color: var(--clinic-text); }
.input-group > .form-control:first-child { border-top-left-radius: 14px; border-bottom-left-radius: 14px; }
.input-group > .btn:last-child { border-top-right-radius: 14px; border-bottom-right-radius: 14px; }
:root[dir="rtl"] .input-group > .form-control:first-child { border-radius: 0 14px 14px 0; }
:root[dir="rtl"] .input-group > .btn:last-child { border-radius: 14px 0 0 14px; }

.table { --bs-table-bg: transparent; --bs-table-color: var(--clinic-text); vertical-align: middle; }
.table thead th { color: var(--clinic-muted); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; border-bottom: 1px solid var(--clinic-border); background: var(--clinic-surface-2) !important; }
.table tbody td { padding-top: .95rem; padding-bottom: .95rem; border-color: var(--clinic-border); }
.table-hover tbody tr:hover td { background: color-mix(in srgb, var(--clinic-primary) 6%, transparent); }

.badge { border-radius: 999px; padding: .45rem .7rem; font-weight: 800; }
.badge-soft-primary { background: var(--clinic-primary-soft); color: var(--clinic-primary); }
.badge-soft-success { background: rgba(16, 185, 129, .14); color: var(--clinic-success); }
.badge-soft-danger { background: rgba(220, 38, 38, .12); color: var(--clinic-danger); }
.badge-soft-muted { background: rgba(100, 116, 139, .13); color: var(--clinic-muted); }

.alert { border: 0; border-radius: 16px; box-shadow: var(--clinic-shadow-soft); }
.empty-state { border: 1px dashed var(--clinic-border-strong); border-radius: var(--clinic-radius); background: color-mix(in srgb, var(--clinic-surface-2) 82%, transparent); }
.visit-card { border: 1px solid var(--clinic-border); border-radius: var(--clinic-radius); background: color-mix(in srgb, var(--clinic-surface-solid) 72%, transparent); box-shadow: 0 12px 32px rgba(15, 23, 42, .06); }
.note-block { background: color-mix(in srgb, var(--clinic-primary) 7%, transparent); border-inline-start: 4px solid var(--clinic-primary); border-radius: 16px; padding: 1rem; }
.visit-image-thumb { width: 118px; height: 96px; object-fit: cover; border-radius: 18px; border: 1px solid var(--clinic-border); box-shadow: 0 10px 22px rgba(15, 23, 42, .14); transition: .18s ease; }
.visit-image-thumb:hover { transform: scale(1.025); box-shadow: var(--clinic-shadow-soft); }


.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 6rem 1.25rem 2rem;
}
.login-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--clinic-primary) 12%, transparent), transparent 36%),
        radial-gradient(circle at 50% 12%, color-mix(in srgb, var(--clinic-cyan) 15%, transparent), transparent 24rem);
    opacity: .88;
}
.login-toolbar {
    position: fixed;
    top: 1rem;
    inset-inline-end: 1rem;
    z-index: 20;
    display: flex;
    gap: .6rem;
    align-items: center;
    flex-wrap: wrap;
}
.login-shell {
    position: relative;
    z-index: 1;
    width: min(1120px, 100%);
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    align-items: stretch;
}
.login-shell-compact { width: min(480px, 100%); }
.login-form-panel {
    border-radius: 32px;
    padding: clamp(1.55rem, 4vw, 3rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
}
.login-brand-mark { width: 58px; height: 58px; border-radius: 22px; font-size: 1.35rem; }
.login-title { font-size: clamp(1.7rem, 1.2rem + 1.5vw, 2.35rem); }
.login-subtitle { max-width: 360px; }
.login-form-stack { display: grid; gap: 1rem; }
.login-submit { min-height: 48px; box-shadow: 0 16px 28px color-mix(in srgb, var(--clinic-primary) 22%, transparent); }

.pagination { --bs-pagination-bg: var(--clinic-surface-solid); --bs-pagination-border-color: var(--clinic-border); --bs-pagination-color: var(--clinic-primary); --bs-pagination-active-bg: var(--clinic-primary); --bs-pagination-active-border-color: var(--clinic-primary); }

:root[data-theme="dark"] .bg-white,
:root[data-theme="dark"] .bg-light { background-color: var(--clinic-surface-2) !important; color: var(--clinic-text) !important; }
:root[data-theme="dark"] .btn-close { filter: invert(1) grayscale(100%); }
:root[data-theme="dark"] .modal-header.bg-danger .btn-close { filter: invert(1) grayscale(100%); }
:root[data-theme="dark"] .alert-info { color: #bae6fd; background: rgba(14, 165, 233, .13); }
:root[data-theme="dark"] .alert-danger { color: #fecdd3; background: rgba(244, 63, 94, .13); }
:root[data-theme="dark"] .alert-success { color: #bbf7d0; background: rgba(34, 197, 94, .13); }


/* Final UI refinements */
.btn-primary,
.btn-success {
    border: 0;
    color: #fff;
    background: linear-gradient(135deg, var(--clinic-primary), var(--clinic-cyan));
    box-shadow: 0 12px 24px color-mix(in srgb, var(--clinic-primary) 18%, transparent);
}
.btn-primary:hover,
.btn-success:hover { color: #fff; filter: saturate(1.05); }
.btn-outline-primary { color: var(--clinic-primary); border-color: color-mix(in srgb, var(--clinic-primary) 42%, transparent); }
.btn-outline-primary:hover { background: var(--clinic-primary); color: #fff; border-color: var(--clinic-primary); }
.btn-outline-secondary { color: var(--clinic-muted); border-color: var(--clinic-border-strong); }
.btn-outline-secondary:hover { background: var(--clinic-surface-2); color: var(--clinic-text); border-color: var(--clinic-border-strong); }
.btn-outline-danger { color: var(--clinic-danger); border-color: color-mix(in srgb, var(--clinic-danger) 42%, transparent); }
.btn-outline-danger:hover { color: #fff; background: var(--clinic-danger); border-color: var(--clinic-danger); }
.table-responsive { border-radius: 18px; }
.table thead th:first-child { border-start-start-radius: 16px; }
.table thead th:last-child { border-start-end-radius: 16px; }
.modal-content { overflow: hidden; }
.modal-backdrop.show { opacity: .38; }
.form-check-input { background-color: var(--clinic-input-bg); border-color: var(--clinic-border-strong); }
.form-check-input:checked { background-color: var(--clinic-primary); border-color: var(--clinic-primary); }
.input-group .btn { transform: none; }
:root[dir="rtl"] .text-start { text-align: right !important; }
:root[dir="rtl"] .text-end { text-align: left !important; }
:root[dir="rtl"] .ms-auto { margin-right: auto !important; margin-left: 0 !important; }
:root[dir="rtl"] .ps-3 { padding-right: 1rem !important; padding-left: 0 !important; }
:root[data-theme="dark"] .table thead th { background: color-mix(in srgb, var(--clinic-surface-solid) 82%, transparent) !important; }
:root[data-theme="dark"] .modal-backdrop.show { opacity: .58; }
@media (max-width: 991.98px) {
    .sidebar-card { position: relative; top: 0; }
    .page-heading { align-items: flex-start; flex-direction: column; }
    .nav-pills-modern { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
}
@media (max-width: 860px) {
    .login-shell { grid-template-columns: 1fr; }
    .login-toolbar { position: static; margin-bottom: 1rem; justify-content: center; flex-wrap: wrap; }
    .login-page { display: block; padding: 1rem; }
}
@media (max-width: 575.98px) {
    .theme-option { padding: .42rem .48rem; }
    .topbar { position: relative; }
    .visit-image-thumb { width: 46%; height: 90px; }
}