/* =========================================
   Optical Clinic – Professional Theme
   Works with Bootstrap 5 + existing script.js
   RTL/LTR safe (logical properties)
   ========================================= */

:root {
    --ink: #0B2B33;
    --teal: #0E7C86;
    --teal-dark: #0A626A;
    --teal-soft: #E3F1F2;
    --amber: #D98E04;
    --amber-dark: #B87700;
    --danger: #C8433B;
    --danger-soft: #FBE9E7;
    --bg: #F3F7F8;
    --surface: #FFFFFF;
    --text: #17323A;
    --muted: #5F7880;
    --line: #DCE7EA;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 1px 2px rgba(11, 43, 51, .06), 0 8px 24px -12px rgba(11, 43, 51, .18);
    --nav-h: 68px;

    /* Bootstrap overrides */
    --bs-primary: #0E7C86;
    --bs-primary-rgb: 14, 124, 134;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Manrope', 'Cairo', system-ui, sans-serif;
    color: var(--text);
    background: var(--bg) !important;
    -webkit-font-smoothing: antialiased;
}
html[lang="ar"] body { font-family: 'Cairo', 'Manrope', system-ui, sans-serif; }

h2, h3, h4, h5 { color: var(--ink); font-weight: 800; letter-spacing: -.01em; }
:focus-visible { outline: 3px solid rgba(14, 124, 134, .45); outline-offset: 2px; }

/* ---------- Bootstrap component overrides ---------- */
.text-primary { color: var(--teal) !important; }
.bg-primary { background: var(--ink) !important; }
.text-muted { color: var(--muted) !important; }
.badge.bg-primary { background: var(--teal) !important; }

.btn { border-radius: var(--radius-sm); font-weight: 700; letter-spacing: .01em; transition: background .2s, transform .1s, box-shadow .2s; }
.btn:active { transform: scale(.98); }
.btn-primary {
    --bs-btn-bg: var(--teal); --bs-btn-border-color: var(--teal);
    --bs-btn-hover-bg: var(--teal-dark); --bs-btn-hover-border-color: var(--teal-dark);
    --bs-btn-active-bg: var(--teal-dark); --bs-btn-active-border-color: var(--teal-dark);
    --bs-btn-disabled-bg: var(--teal); --bs-btn-disabled-border-color: var(--teal);
    box-shadow: 0 6px 14px -8px var(--teal);
}
.btn-warning {
    --bs-btn-color: #fff; --bs-btn-hover-color: #fff; --bs-btn-active-color: #fff;
    --bs-btn-bg: var(--amber); --bs-btn-border-color: var(--amber);
    --bs-btn-hover-bg: var(--amber-dark); --bs-btn-hover-border-color: var(--amber-dark);
    --bs-btn-active-bg: var(--amber-dark); --bs-btn-active-border-color: var(--amber-dark);
}
.btn-success {
    --bs-btn-bg: var(--ink); --bs-btn-border-color: var(--ink);
    --bs-btn-hover-bg: #12404B; --bs-btn-hover-border-color: #12404B;
    --bs-btn-active-bg: #12404B; --bs-btn-active-border-color: #12404B;
}
.btn-danger {
    --bs-btn-color: var(--danger); --bs-btn-bg: var(--danger-soft); --bs-btn-border-color: transparent;
    --bs-btn-hover-bg: var(--danger); --bs-btn-hover-border-color: var(--danger);
    --bs-btn-active-bg: var(--danger); --bs-btn-active-border-color: var(--danger);
}
.btn-secondary {
    --bs-btn-color: var(--text); --bs-btn-bg: #E6EEF0; --bs-btn-border-color: transparent;
    --bs-btn-hover-color: var(--ink); --bs-btn-hover-bg: #D8E4E7; --bs-btn-hover-border-color: transparent;
}
.btn-outline-primary {
    --bs-btn-color: var(--teal); --bs-btn-border-color: var(--teal);
    --bs-btn-hover-bg: var(--teal); --bs-btn-hover-border-color: var(--teal);
    --bs-btn-active-bg: var(--teal-dark); --bs-btn-active-border-color: var(--teal-dark);
}
.btn-outline-danger {
    --bs-btn-color: var(--danger); --bs-btn-border-color: #E8B9B5;
    --bs-btn-hover-bg: var(--danger); --bs-btn-hover-border-color: var(--danger);
}
.btn-link { color: var(--teal); }

.form-label { font-weight: 700; font-size: 13.5px; color: var(--ink); margin-bottom: 6px; }
.form-control, .form-select {
    padding: 12px 14px; font-size: 15px; color: var(--text);
    background-color: #FBFDFD; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
    transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.form-control::placeholder { color: #9AB0B6; }
.form-control:focus, .form-select:focus {
    background-color: #fff; border-color: var(--teal);
    box-shadow: 0 0 0 4px rgba(14, 124, 134, .12);
}

/* ---------- Animations (used by script.js) ---------- */
.fade-out { animation: fadeOut .3s forwards; }
.fade-in { animation: fadeIn .4s ease-out forwards; }
@keyframes fadeOut { to { opacity: 0; visibility: hidden; } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { * { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

/* =========================================
   Brand mark
   ========================================= */
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
    width: 40px; height: 40px; flex: none; border-radius: 12px;
    display: grid; place-items: center; color: #fff;
    background: linear-gradient(145deg, var(--teal), var(--ink));
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-name { font-size: 19px; font-weight: 800; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* =========================================
   Login
   ========================================= */
.login-container {
    position: fixed; inset: 0; z-index: 100; overflow: auto;
    display: flex; justify-content: center; align-items: center; padding: 20px;
    background:
        radial-gradient(circle at 50% 50%, transparent 0 140px, rgba(255,255,255,.06) 141px 142px, transparent 143px 240px, rgba(255,255,255,.05) 241px 242px, transparent 243px 360px, rgba(255,255,255,.04) 361px 362px, transparent 363px),
        linear-gradient(150deg, #0B2B33 0%, #0E4650 100%);
}
.login-box {
    width: 100%; max-width: 410px; padding: 38px 32px 32px;
    background: var(--surface); border-radius: 20px; text-align: start;
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .5);
}
.login-box .brand { flex-direction: column; text-align: center; gap: 10px; margin-bottom: 22px; }
.login-box .brand-mark { width: 56px; height: 56px; border-radius: 16px; }
.login-box .brand-mark svg { width: 30px; height: 30px; }
.login-box h2 { font-size: 22px; margin: 0 0 22px; text-align: center; }
.login-box .btn-primary { padding: 13px; font-size: 16px; }
.error-msg {
    display: none; margin: 14px 0 0; padding: 10px 12px; text-align: center;
    color: var(--danger); background: var(--danger-soft); border-radius: var(--radius-sm);
    font-size: 13.5px; font-weight: 600;
}
.remember-me { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); cursor: pointer; }
.remember-me input { width: 17px; height: 17px; accent-color: var(--teal); cursor: pointer; }
.lang-switch-login {
    position: absolute; top: 22px; inset-inline-start: 22px;
    padding: 8px 18px; border-radius: 999px; cursor: pointer; font-weight: 700; font-size: 13px;
    color: #fff; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25);
    transition: background .2s;
}
.lang-switch-login:hover { background: rgba(255,255,255,.2); }

/* =========================================
   App shell
   ========================================= */
.app-container {
    display: none; flex-direction: column;
    width: 100%; max-width: 1040px; min-height: 100vh; margin: 0 auto;
    background: var(--bg);
}

.header {
    position: sticky; top: 0; z-index: 900;
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 12px 20px; background: rgba(255,255,255,.92);
    backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.header-actions { display: flex; gap: 8px; align-items: center; flex: none; }
.lang-btn, .logout-btn {
    padding: 8px 14px; border: 0; border-radius: 8px; cursor: pointer;
    font-size: 13px; font-weight: 700; font-family: inherit; transition: background .2s;
}
.lang-btn { background: var(--teal-soft); color: var(--teal-dark); }
.lang-btn:hover { background: #D1E8EA; }
.logout-btn { background: var(--danger-soft); color: var(--danger); }
.logout-btn:hover { background: #F6D6D2; }

/* ---------- Pages ---------- */
.page {
    display: none; flex-direction: column; flex: 1;
    padding: 24px 20px calc(var(--nav-h) + 28px + env(safe-area-inset-bottom)) !important;
}
.page.active { display: flex; }
.page > h3 { font-size: 22px; margin-bottom: 18px !important; padding-inline-start: 14px; border-inline-start: 4px solid var(--teal); }

/* Form panels */
.panel {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 22px 20px 8px; box-shadow: var(--shadow);
}

/* ---------- Prescription (trial-card look) ---------- */
.eye-section {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.eye-title {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    padding: 12px; color: #fff; font-weight: 800; font-size: 15px; letter-spacing: .08em;
    background: linear-gradient(135deg, var(--ink), #12515C);
}
.eye-title::before {
    content: ""; width: 12px; height: 12px; border-radius: 50%;
    border: 3px solid #7FD4DB; box-shadow: 0 0 0 3px rgba(127,212,219,.25);
}
.prescription-table { --bs-table-bg: transparent; margin: 0; }
.prescription-table th {
    background: var(--teal-soft) !important; color: var(--teal-dark);
    font-weight: 800; font-size: 13px; padding: 10px 4px; border-color: var(--line);
}
.prescription-table td { padding: 4px !important; vertical-align: middle; border-color: var(--line); }
.prescription-table input {
    padding: 11px 4px; font-size: 16px; font-weight: 600; background: transparent;
    font-variant-numeric: tabular-nums; border-radius: 6px;
}
.prescription-table input:focus { background: #F0FAFB; box-shadow: inset 0 0 0 2px var(--teal); }
.row-label {
    width: 84px; font-size: 12px; font-weight: 800; color: var(--muted);
    background: #F7FBFB !important; text-align: start !important; padding-inline: 12px !important;
}

/* ---------- Records ---------- */
#searchInput { padding-inline-start: 16px; }
.stats-bar { color: var(--muted); font-weight: 600; font-size: 14px; }
.stats-bar .badge { border-radius: 999px; padding: 6px 12px; }

#recordsList .card {
    border: 1px solid var(--line) !important; border-radius: var(--radius);
    background: var(--surface); box-shadow: var(--shadow) !important;
    overflow: hidden; transition: border-color .2s, transform .2s;
}
#recordsList .card:hover { border-color: #B8D5D9 !important; transform: translateY(-2px); }
#recordsList .card-title { font-size: 18px; color: var(--ink) !important; }
#recordsList .card-text { font-size: 13.5px; }
#recordsList .card-footer { background: #F7FBFB !important; border-top: 1px solid var(--line) !important; padding: 4px 8px !important; }
#recordsList .card-footer .btn-link { font-size: 13.5px; font-weight: 700; padding: 8px; }
#recordsList .spinner-border { color: var(--teal) !important; }
#prevBtn, #nextBtn { min-width: 100px; }
#pageInfo { color: var(--ink); min-width: 56px; text-align: center; }

/* ---------- Bottom navigation ---------- */
.bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
    display: flex; max-width: 1040px; margin: 0 auto; min-height: var(--nav-h);
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
}
.nav-item {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    padding: 10px; cursor: pointer; user-select: none;
    color: var(--muted); font-size: 13px; font-weight: 700;
    border-top: 3px solid transparent; transition: color .2s, background .2s;
}
.nav-item svg { width: 22px; height: 22px; }
.nav-item:hover { background: #F7FBFB; }
.nav-item.active { color: var(--teal); border-top-color: var(--teal); background: var(--teal-soft); }

/* ---------- Details overlay ---------- */
#view-record-details {
    display: none; position: fixed; inset: 0; z-index: 2000;
    overflow-y: auto; background: var(--bg) !important; padding: 0 !important;
}
.details-inner { max-width: 1040px; margin: 0 auto; padding: 24px 20px 40px; }
.details-inner h2 { font-size: 22px; }
#detailsContent .card { border: 1px solid var(--line) !important; border-radius: var(--radius); box-shadow: var(--shadow) !important; overflow: hidden; }
#detailsContent .card-body.bg-light { background: var(--surface) !important; }
#detailsContent .card-header { color: #fff; letter-spacing: .08em; padding: 12px; }
#detailsContent .table { margin: 0; }
#detailsContent .table th { background: var(--teal-soft) !important; color: var(--teal-dark); font-size: 13px; }
#detailsContent .table td { font-weight: 600; font-variant-numeric: tabular-nums; }
#detailsContent .row > .fw-bold { font-size: 13.5px; }
.print-brand { display: none; }

/* ---------- Desktop ---------- */
@media (min-width: 768px) {
    .app-container { box-shadow: 0 0 0 1px var(--line); }
    .page { padding-inline: 32px !important; }
    .panel { padding: 28px 28px 12px; }
    .bottom-nav { border-radius: 14px 14px 0 0; border-inline: 1px solid var(--line); }
}
@media (max-width: 420px) {
    .brand-name { font-size: 16px; }
    .prescription-table input { font-size: 15px; }
    .row-label { width: 70px; }
}

/* =========================================
   PRINT
   ========================================= */
@media print {
    @page { margin: 14mm; }
    body, html { background: #fff !important; margin: 0 !important; height: auto !important; overflow: visible !important; }
    .header, .bottom-nav, .page, #login-page, .no-print { display: none !important; }
    .app-container {
        display: block !important; position: static !important; width: 100% !important; max-width: 100% !important;
        min-height: 0 !important; margin: 0 !important; box-shadow: none !important; background: #fff !important;
    }
    #view-record-details {
        display: block !important; position: static !important; overflow: visible !important;
        background: #fff !important;
    }
    .details-inner { max-width: 100%; padding: 0; }
    .print-brand {
        display: block; text-align: center; padding-bottom: 10px; margin-bottom: 16px;
        border-bottom: 2px solid #000; font-size: 22px; font-weight: 800; color: #000;
    }
    #detailsContent .card { border: 1px solid #000 !important; box-shadow: none !important; page-break-inside: avoid; margin-bottom: 14px !important; }
    #detailsContent .card-header {
        background: #eee !important; color: #000 !important; border-bottom: 1px solid #000 !important;
        -webkit-print-color-adjust: exact; print-color-adjust: exact;
    }
    #detailsContent .table th { background: #f2f2f2 !important; color: #000 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .table-bordered th, .table-bordered td { border: 1px solid #000 !important; color: #000 !important; }
    .text-muted { color: #333 !important; }
}