h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #1b6ec2;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}
/* ===== SchoolManager theme (colors from variables — light + dark) ===== */

/* reset أساسي (كان يوفّره Bootstrap قبل إزالته) */
*, *::before, *::after { box-sizing: border-box; }

:root {
    --bg: #eef2f7;
    --surface: #ffffff;
    --surface-2: #f5f8fc;
    --text: #1f2a3a;
    --text-muted: #5b6b82;
    --border: #d9e1ec;
    --primary: #2563eb;      /* أزرق: حفظ/رئيسي */
    --primary-600: #1d4ed8;
    --success: #16a34a;      /* أخضر: إضافة */
    --danger: #dc2626;       /* أحمر: حذف */
    --neutral: #64748b;      /* رمادي: إلغاء/ثانوي */
    --brand-grad-1: #2563eb;
    --brand-grad-2: #7c3aed;
    --shadow: 0 10px 30px rgba(20, 40, 80, 0.12);
}

/* الوضع الداكن — يُفعَّل عبر data-theme على html (ThemeService).
   سكربت صغير في index.html يضبطه قبل التحميل لتفادي وميض الفاتح. */
:root[data-theme="dark"] {
    --bg: #0f172a;
    --surface: #1e293b;
    --surface-2: #172033;
    --text: #e6edf6;
    --text-muted: #9fb0c8;
    --border: #31415a;
    --primary: #3b82f6;
    --primary-600: #2563eb;
    --success: #22c55e;
    --danger: #ef4444;
    --neutral: #64748b;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
}

/* زر تبديل الثيم */
.theme-toggle {
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
    width: 34px; height: 30px; border-radius: 10px; cursor: pointer; font-size: .95rem; line-height: 1;
}
.theme-toggle:hover { filter: brightness(1.1); }

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

.app-root { min-height: 100vh; display: flex; flex-direction: column; }
.app-main { flex: 1; padding: 1.25rem; }
.page-center { min-height: 60vh; display: grid; place-items: center; color: var(--text-muted); }

/* Top bar */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.6rem 1.1rem; background: var(--surface); border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.topbar .brand { font-weight: 700; font-size: 1.05rem; color: var(--text); }
.topbar-actions { display: flex; align-items: center; gap: 0.6rem; }

/* Buttons — semantic */
.btn {
    border: none; border-radius: 10px; padding: 0.55rem 1.1rem; font-size: 0.95rem;
    font-weight: 600; cursor: pointer; color: #fff; transition: filter .15s, transform .02s;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-block { width: 100%; margin-top: .5rem; padding: .7rem; font-size: 1rem; }
.btn-save { background: var(--primary); }
.btn-add { background: var(--success); }
.btn-delete { background: var(--danger); }
.btn-cancel { background: var(--neutral); }

/* Language switcher */
.lang-switcher { display: inline-flex; gap: 2px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 2px; }
.lang-btn { border: none; background: transparent; color: var(--text-muted); padding: .3rem .6rem; border-radius: 8px; cursor: pointer; font-size: .82rem; font-weight: 600; }
.lang-btn.active { background: var(--primary); color: #fff; }

/* Login */
.login-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center;
    background: linear-gradient(135deg, var(--brand-grad-1), var(--brand-grad-2)); }
.login-topbar { width: 100%; display: flex; justify-content: flex-end; align-items: center; gap: .5rem; padding: 1rem 1.25rem; }
.login-card {
    background: var(--surface); color: var(--text); width: min(92vw, 400px);
    margin: auto; margin-top: 4vh; padding: 2rem 1.75rem 2.25rem; border-radius: 18px; box-shadow: var(--shadow);
}
.login-brand { font-size: 2.6rem; text-align: center; }
.login-title { text-align: center; margin: .4rem 0 .1rem; font-size: 1.5rem; }
.login-subtitle { text-align: center; color: var(--text-muted); margin: 0 0 1.4rem; font-size: .9rem; }

.field { margin-bottom: .95rem; }
.field-label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .3rem; color: var(--text-muted); }
.field-input {
    width: 100%; box-sizing: border-box; padding: .6rem .75rem; border: 1px solid var(--border);
    border-radius: 10px; background: var(--surface-2); color: var(--text); font-size: .95rem;
}
.field-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.18); }
.field-hint { display: block; font-size: .75rem; color: var(--text-muted); margin-top: .25rem; }

.alert-error { background: rgba(220,38,38,.12); color: var(--danger); border: 1px solid rgba(220,38,38,.35);
    padding: .55rem .75rem; border-radius: 10px; font-size: .88rem; margin-bottom: .6rem; text-align: center; }

/* Home */
.home-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
    padding: 1.5rem 1.75rem; max-width: 560px; margin: 1rem auto; box-shadow: var(--shadow); }
.home-card h1 { margin: 0 0 1rem; font-size: 1.4rem; }
.home-info { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.home-info li { display: flex; gap: .5rem; padding: .5rem .7rem; background: var(--surface-2); border-radius: 10px; }
.home-info .k { color: var(--text-muted); font-weight: 600; }
.home-info .v { color: var(--text); font-weight: 600; }

/* ===== Screens: lists, tables, editors ===== */
.screen { max-width: 1100px; margin: 0 auto; }
.screen-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .75rem; flex-wrap: wrap; }
.screen-head h1 { font-size: 1.35rem; margin: 0; }
.screen-head-actions { display: flex; align-items: center; gap: .6rem; }
.year-chip { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-muted);
    padding: .3rem .65rem; border-radius: 999px; font-size: .8rem; font-weight: 600; }

.search-box { margin-bottom: .75rem; }
.muted { color: var(--text-muted); }
.count-line { font-size: .82rem; margin: 0 0 .4rem; }

/* Top nav */
.topnav { display: flex; gap: .35rem; flex: 1; margin: 0 1rem; }
.navlink { text-decoration: none; color: var(--text-muted); font-weight: 600; font-size: .9rem;
    padding: .35rem .7rem; border-radius: 8px; }
.navlink:hover { background: var(--surface-2); color: var(--text); }
.navlink.active { background: var(--primary); color: #fff; }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.grid { width: 100%; border-collapse: collapse; font-size: .9rem; }
.grid thead th { background: var(--primary); color: #fff; text-align: start; padding: .55rem .7rem; font-weight: 700; white-space: nowrap; }
.grid tbody td { padding: .45rem .7rem; border-top: 1px solid var(--border); }
.grid tbody tr:nth-child(even) { background: var(--surface-2); }
.grid tbody tr:hover { background: rgba(37, 99, 235, .10); }
.row-inactive { opacity: .55; }
.row-actions { display: flex; gap: .35rem; white-space: nowrap; }
.btn-sm { padding: .28rem .6rem; font-size: .8rem; border-radius: 8px; }

/* Modal editor */
.modal-backdrop { position: fixed; inset: 0; background: rgba(10, 20, 40, .55); z-index: 40; }
/* display صريح: أي CSS خارجي (مثل Bootstrap) يعرّف .modal بـ display:none كان يخفيها. */
.modal { display: block; position: fixed; z-index: 50; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: min(94vw, 620px); max-height: 90vh; overflow-y: auto; background: var(--surface); color: var(--text);
    border-radius: 16px; box-shadow: var(--shadow); padding: 1.25rem 1.4rem 1.1rem; }
.modal-sm { width: min(92vw, 400px); }
.modal h2 { margin: 0 0 .9rem; font-size: 1.15rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }
.confirm-target { background: var(--surface-2); border-radius: 8px; padding: .5rem .7rem; font-weight: 600; margin: 0; }

.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: .1rem .9rem; }
.form-2col .field-wide { grid-column: 1 / -1; }
.field-check { display: flex; align-items: center; margin-bottom: .95rem; }
.field-check label { display: flex; align-items: center; gap: .4rem; font-size: .9rem; font-weight: 600; color: var(--text-muted); }
@media (max-width: 640px) { .form-2col { grid-template-columns: 1fr; } }

.alert-warn { background: rgba(234, 179, 8, .14); color: #a16207; border: 1px solid rgba(234, 179, 8, .4);
    padding: .5rem .7rem; border-radius: 10px; font-size: .85rem; margin-bottom: .8rem; }
:root[data-theme="dark"] .alert-warn { color: #fbbf24; }

/* Tabs (academic setup) */
.tabs { display: flex; gap: .3rem; margin-bottom: .85rem; border-bottom: 2px solid var(--border); }
.tab { border: none; background: transparent; color: var(--text-muted); font-weight: 700; font-size: .9rem;
    padding: .5rem .95rem; cursor: pointer; border-radius: 10px 10px 0 0; margin-bottom: -2px;
    border-bottom: 2px solid transparent; }
.tab:hover { background: var(--surface-2); color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.filter-row { display: flex; align-items: center; gap: .6rem; margin-bottom: .75rem; }
.filter-row .field-label { margin: 0; white-space: nowrap; }
.filter-row .field-input { max-width: 260px; }