/* =========================================================
   NU Result Unified – Premium Design Layer (v3.0.0)
   Visual redesign matching the reference checker.
   Loaded AFTER the original style.css so it overrides freely.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── Scoped tokens — only apply inside .ebru-redesign ── */
.ebru-redesign {
    --primary: #0F52BA;
    --primary-rgb: 15, 82, 186;
    --secondary: #2563EB;
    --accent: #3B82F6;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --dark: #0F172A;
    --light: #F8FAFC;
    --white: #FFFFFF;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #64748B;
    --gray-600: #475569;
    --gray-800: #1E293B;
    --font-primary: 'Outfit', sans-serif;
    --font-bengali: 'Hind Siliguri', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.06), 0 4px 6px -2px rgba(0,0,0,.04);
    --shadow-xl: 0 20px 25px -5px rgba(15,82,186,.06), 0 10px 10px -5px rgba(0,0,0,.03);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition-normal: all .3s cubic-bezier(.4,0,.2,1);
    --transition-fast: all .15s ease;

    font-family: var(--font-primary);
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* ── Container layout ─────────────────────────────────── */
.ebru-checker-wrapper {
    width: 100%;
    padding: 1.5rem .5rem 2rem;
}
.checker-section-wrapper { width: 100%; }
.checker-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 .5rem;
}

/* ── Utilities ────────────────────────────────────────── */
.ebru-redesign .flex-center { display: flex; align-items: center; justify-content: center; }
.ebru-redesign .flex-1 { flex: 1; min-width: 150px; }
.ebru-redesign .w-full { width: 100%; }
.ebru-redesign .text-center { text-align: center; }
.ebru-redesign .text-primary { color: var(--primary); }

/* ── Icons ────────────────────────────────────────────── */
.ebru-redesign .icon-sm { width: 18px; height: 18px; flex-shrink: 0; }
.ebru-redesign .icon-md { width: 22px; height: 22px; flex-shrink: 0; }

/* ── Checker card (override the original .nucom-card here) ── */
.ebru-redesign.ebru-app,
.ebru-redesign #ebru-app {
    max-width: 100%;
    margin: 0;
    padding: 0;
}
.ebru-redesign .checker-card {
    /* Reset original glassmorphism look from style.css */
    background: var(--white) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--gray-200) !important;
    border-radius: var(--radius-md) !important;
    padding: 0 !important;
    box-shadow: var(--shadow-sm) !important;
    margin: 0 auto 1rem;
    max-width: 950px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: var(--transition-normal);
}
.ebru-redesign .checker-card:hover { box-shadow: var(--shadow-lg) !important; }
.ebru-redesign .card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(15,82,186,.05) 0%, rgba(255,255,255,0) 50%);
    pointer-events: none;
}

/* ── Tabs ─────────────────────────────────────────────── */
.checker-tabs {
    display: flex;
    background-color: var(--white);
    border-bottom: 1.5px solid var(--gray-100);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.checker-tabs::-webkit-scrollbar { display: none; }
.checker-tabs .tab-btn {
    flex: 1;
    min-width: 100px;
    padding: 1rem .75rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: .9rem;
    font-weight: 700;
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    transition: var(--transition-normal);
    white-space: nowrap;
    flex-shrink: 0;
    font-family: var(--font-primary);
}
.checker-tabs .tab-btn:hover { color: var(--primary); }
.checker-tabs .tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background-color: var(--white);
}

/* ── Tab panels ───────────────────────────────────────── */
.checker-tab-panels { position: relative; }
.checker-tab-panel { display: none; }
.checker-tab-panel.active-panel { display: block; }

/* When a form is rendered inside a tab panel, neutralise outer wrapper margin */
.checker-tab-panel .ebru-app,
.checker-tab-panel #ebru-app { margin: 0; padding: 0; max-width: 100%; }

/* ── Checker body (form padding) ──────────────────────── */
.ebru-redesign .checker-body {
    padding: 1.75rem 2.25rem 2rem;
    flex: 1;
    position: relative;
    background: var(--white);
}

/* ── Form layout — full-width, no sidebar ─────────────── */
.ebru-redesign .form-grid {
    display: block; /* unused in ebru — kept for compat */
}
.ebru-redesign .form-inputs-side {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
/* ebru-row: each row of fields stacked inside checker-body */
.ebru-redesign .ebru-row {
    margin-bottom: 1.5rem;
}
.ebru-redesign .form-row {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}
.ebru-redesign .form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}
.ebru-redesign .select-half { width: 140px; }
.ebru-redesign .form-label {
    font-size: .8rem;
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: .5rem;
}

/* ── Select / Input controls ──────────────────────────── */
.ebru-redesign .select-wrapper { position: relative; }
.ebru-redesign .form-control {
    width: 100%;
    background-color: var(--white);
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: .75rem 1rem;
    font-family: var(--font-primary);
    font-size: .95rem;
    color: var(--dark);
    font-weight: 600;
    outline: none;
    transition: var(--transition-fast);
    height: 48px;
    line-height: 1.2;
}
.ebru-redesign .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15,82,186,.1);
}
.ebru-redesign select.form-control {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.25rem;
    cursor: pointer;
}
.ebru-redesign .select-arrow {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
    width: 16px;
    height: 16px;
}
.ebru-redesign input[type="number"].form-control { padding-right: .5rem; }

/* ── Floating-label group ─────────────────────────────── */
.ebru-redesign .floating-group { position: relative; flex: 1; min-width: 180px; }
.ebru-redesign .form-control.text-input {
    padding-top: 1.4rem;
    padding-bottom: .35rem;
}
.ebru-redesign .floating-label {
    position: absolute;
    left: 16px;
    top: 14px;
    color: var(--gray-400);
    font-size: .95rem;
    font-weight: 500;
    pointer-events: none;
    transition: all .2s ease;
    background: transparent;
}
.ebru-redesign .text-input:focus ~ .floating-label,
.ebru-redesign .text-input:not(:placeholder-shown) ~ .floating-label {
    top: 5px;
    left: 13px;
    font-size: .7rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: .04em;
}
.ebru-redesign .input-helper {
    font-size: .72rem;
    color: var(--gray-400);
    margin-top: 4px;
    padding-left: 2px;
}

/* Invalid state overlay (preserve legacy .nucom-invalid hook from JS) */
.ebru-redesign .form-control.nucom-invalid {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 3px rgba(239,68,68,.12) !important;
}

/* ── CAPTCHA box ──────────────────────────────────────── */
.ebru-redesign .captcha-row { align-items: stretch; }
.ebru-redesign .captcha-box {
    background-color: var(--gray-100);
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 0 .5rem 0 1.25rem;
    gap: 0;
    font-family: 'Outfit', monospace;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gray-800);
    user-select: none;
    height: 48px;
    min-width: 170px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.ebru-redesign .captcha-question { letter-spacing: .03em; white-space: nowrap; flex: 1; }
.ebru-redesign .btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--gray-500);
    padding: .3rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    margin-left: .25rem;
}
.ebru-redesign .btn-icon:hover { background: var(--white); color: var(--primary); box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.ebru-redesign .btn-icon:active { transform: rotate(180deg); }

.ebru-redesign .captcha-box.flex-center { justify-content: space-between; }

/* Fading transition while captcha re-loads */
.ebru-redesign .nucom-fading { opacity: .4; }

/* ── Buttons ──────────────────────────────────────────── */
.ebru-redesign .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: .95rem;
    padding: .75rem 1.5rem;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    user-select: none;
    gap: .5rem;
    font-family: var(--font-primary);
    line-height: 1.2;
    min-height: 48px;
}
.ebru-redesign .btn-primary {
    background-color: var(--primary);
    color: var(--white);
}
.ebru-redesign .btn-primary:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15,82,186,.25);
}
.ebru-redesign .btn-primary:disabled {
    opacity: .65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.ebru-redesign .btn-outline {
    background-color: transparent;
    color: var(--gray-600);
    border-color: var(--gray-300);
}
.ebru-redesign .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: rgba(15,82,186,.04);
}
.ebru-redesign .btn-full { flex: 1; min-width: 0; }

.ebru-redesign .form-actions {
    display: flex;
    gap: 1rem;
    margin-top: .5rem;
}

/* ── Helper Info Side ─────────────────────────────────── */
.ebru-redesign .form-info-side {
    border-left: 1px solid var(--gray-200);
    padding-left: 2rem;
}
.ebru-redesign .helper-info-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.ebru-redesign .helper-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 1rem;
    display: flex;
    align-items: center;
    gap: .4rem;
    color: var(--dark);
}
.ebru-redesign .helper-desc {
    font-size: .9rem;
    color: var(--gray-600);
    margin: 0 0 1rem;
    line-height: 1.55;
}
.ebru-redesign .helper-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .65rem;
    margin: 0 0 1.5rem;
    padding: 0;
}
.ebru-redesign .helper-list li {
    position: relative;
    padding-left: 1.4rem;
    font-size: .85rem;
    color: var(--gray-600);
    line-height: 1.5;
}
.ebru-redesign .helper-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success);
    font-weight: 800;
    font-size: .95rem;
}

/* ── Spinner inside buttons (keeps original .nucom-spin animation) ── */
.ebru-redesign .nucom-spin {
    animation: nucom-spin 1s linear infinite;
}
@keyframes nucom-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ── Alert override inside redesigned wrappers ────────── */
.ebru-redesign .nucom-alert {
    padding: .85rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    border: 1px solid;
    margin: 0 auto 1rem;
    max-width: 950px;
    font-weight: 500;
}

/* ── Loading panel ────────────────────────────────────── */
.ebru-redesign .nucom-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    max-width: 950px;
    margin: 0 auto;
    color: var(--gray-600);
    font-weight: 600;
}
.ebru-redesign .nucom-spinner {
    width: 26px;
    height: 26px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: nucom-spin 0.8s linear infinite;
}

/* ── Error card override ──────────────────────────────── */
.ebru-redesign .nucom-error {
    background: var(--white) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--gray-200) !important;
    border-radius: var(--radius-md) !important;
    padding: 1.75rem !important;
    box-shadow: var(--shadow-sm) !important;
    max-width: 950px;
    margin: 0 auto 1rem;
}
.ebru-redesign .nucom-err-text {
    color: var(--danger);
    font-weight: 600;
    margin: 0 0 1rem;
    text-align: center;
}
.ebru-redesign .nucom-retry-btn,
.ebru-redesign .nucom-btn-submit {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    padding: .65rem 1.25rem;
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    transition: var(--transition-fast);
}
.ebru-redesign .nucom-retry-btn:hover,
.ebru-redesign .nucom-btn-submit:hover {
    background-color: var(--secondary);
}
.ebru-redesign .nucom-submit-row {
    display: flex;
    gap: .75rem;
    margin-top: 1rem;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 880px) {
    .ebru-redesign .form-row { gap: 1rem; }
}
@media (max-width: 768px) {
    .ebru-checker-wrapper { padding: 1rem .25rem 1.5rem; }
    .ebru-redesign .checker-body { padding: 1.5rem 1.1rem; }
    .checker-tabs .tab-btn { padding: .85rem .5rem; font-size: .82rem; min-width: 80px; }
    .ebru-redesign .form-row { flex-direction: column; gap: 1rem; }
    .ebru-redesign .select-half { width: 100%; }
    .ebru-redesign .floating-group { min-width: unset; }
    .ebru-redesign .form-actions { flex-direction: column; gap: .75rem; }
    .ebru-redesign .btn-full { width: 100%; }
    .ebru-redesign .captcha-box { min-width: unset; width: 100%; }
}
@media (max-width: 480px) {
    .ebru-redesign .checker-body { padding: 1.25rem .9rem; }
    .checker-tabs .tab-btn span { display: inline; font-size: .72rem; }
    .checker-tabs .tab-btn { min-width: 0; flex: 1; padding: .75rem .3rem; gap: .25rem; flex-direction: column; font-size: .72rem; }
}

/* ──────────────────────────────────────────────────────────────
   TWEAKS FOR ONE-CONTAINER VISUAL IN TABBED VIEW & CAPTCHA ROW
   ────────────────────────────────────────────────────────────── */

/* Neutralize the inner card borders/backgrounds/shadows in the tabbed layout */
.checker-tab-panel .checker-card {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
}

.checker-tab-panel .checker-card:hover {
    box-shadow: none !important;
}

.checker-tab-panel .card-glow {
    display: none !important;
}

/* Ensure the captcha question and refresh icon stay side-by-side on the same line */
.ebru-redesign .captcha-box {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
}

/* Fine-tune panel padding for a cohesive visual structure */
.checker-tab-panel .checker-body {
    padding: 1.75rem 2.25rem 2rem !important;
}

@media (max-width: 768px) {
    .checker-tab-panel .checker-body {
        padding: 10px !important;
    }
}


/* ============================================================
   EDU BOARD RESULT – Specific component overrides
   ============================================================ */

/* Year dropdown — fixed width so it doesn't stretch full row */
.ebru-redesign .ebru-year-group { width: 160px; flex-shrink: 0; }

/* Row bottom spacing */
.ebru-redesign .ebru-row { margin-bottom: 1.5rem; }
.ebru-redesign .ebru-row:last-of-type { margin-bottom: 0; }

/* Submit row top gap */
.ebru-redesign .form-actions { margin-top: .25rem; }

/* ── Locked board display — sits where a select would be ── */
.ebru-locked-board {
    display: flex;
    align-items: center;
    gap: .5rem;
    background-color: var(--gray-100);
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: .75rem 1rem;
    height: 48px;
    font-size: .95rem;
    font-weight: 600;
    color: var(--dark);
    cursor: default;
}

/* ── Captcha image box ─────────────────────────────────── */
.ebru-captcha-box {
    height: 64px !important;
    min-width: 220px;
    padding: .5rem .75rem .5rem 1rem !important;
}
.ebru-captcha-img-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    height: 52px;
    overflow: hidden;
}
.ebru-captcha-img {
    max-height: 52px;
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
    image-rendering: crisp-edges;
}
.ebru-captcha-loading {
    font-size: .78rem;
    color: var(--gray-400);
    font-weight: 500;
}
/* Match answer input height to captcha box */
.ebru-redesign .captcha-row .form-control.text-input {
    height: 64px;
    padding-top: 1.6rem;
    padding-bottom: .45rem;
}

/* ── Result content inside modal ──────────────────────── */
.ebru-result-content { font-size: .88rem; }

/* Grade badge reuse from nu-result style.css nu-result-badge */
.ebru-grade-badge {
    display: inline-block;
    background: var(--primary-lt, #eff6ff);
    color: #1e40af;
    font-size: .78rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 4px;
    border: 1px solid var(--primary-md, #bfdbfe);
}
.ebru-grade-badge.fail { background: var(--red-lt, #fef2f2); color: #991b1b; border-color: #fca5a5; }
.ebru-grade-badge.aplus { background: #d1fae5; color: #065f46; border-color: #6ee7b7; }

/* ── Neutralise inner card in tabbed panels ─────────────── */
.checker-tab-panel .ebru-app .checker-card {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
    min-height: auto !important;
}
.checker-tab-panel .ebru-app .checker-card:hover { box-shadow: none !important; }
.checker-tab-panel .ebru-app .card-glow { display: none !important; }
.checker-tab-panel .ebru-app .checker-body {
    padding: 1.75rem 2.25rem 2rem !important;
}

/* ── Print ── */
@media print {
    @page { size: A4 portrait; margin: 8mm; }
    body * { visibility: hidden !important; }
    .ebru-result-content, .ebru-result-content * { visibility: visible !important; }
    .ebru-result-content { position: absolute; left: 0; top: 0; width: 100%; padding: 8px; }
    .nucom-modal-overlay {
        position: static !important;
        display: block !important;
        background: none !important;
    }
    .nucom-modal-box {
        box-shadow: none !important;
        max-height: none !important;
    }
    .nucom-result-actions,
    .ebru-subjects-section .nu-course-heading { margin-top: 8px; }
    .nucom-modal-close,
    .nucom-result-actions { display: none !important; }
}

@media (max-width: 768px) {
    .checker-tab-panel .ebru-app .checker-body {
        padding: 10px !important;
    }
}