/* ── CERTIFICATES LIST PAGE ── */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
}

.certificate-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.certificate-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #C9A84C, #F0D080, #C9A84C);
}

.certificate-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: #C9A84C;
}

.certificate-card-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #C9A84C, #F0D080);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.certificate-card-course {
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.certificate-card-id {
    font-size: var(--text-xs);
    font-family: monospace;
    color: var(--color-text-muted);
    background-color: var(--color-surface-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-bottom: var(--space-3);
}

.certificate-card-date {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.certificate-card-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

/* ── CERTIFICATE VIEW PAGE ── */
.certificate-view-wrapper {
    max-width: 860px;
    margin: 0 auto;
}

.certificate-actions-bar {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

/* ── CERTIFICATE DOCUMENT ── */
.certificate-document {
    background-color: #FFFDF5;
    border: 4px solid #C9A84C;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(201, 168, 76, 0.2), var(--shadow-lg);
    position: relative;
}

.certificate-document::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid #C9A84C;
    border-radius: 4px;
    pointer-events: none;
    z-index: 1;
}

/* ── CERT HEADER ── */
.cert-header {
    background: linear-gradient(135deg, #1B3A6B 0%, #2A5298 100%);
    padding: var(--space-8) var(--space-10);
    text-align: center;
    position: relative;
}

.cert-header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #C9A84C, #F0D080, #C9A84C);
}

.cert-brand {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: var(--font-bold);
    color: #C9A84C;
    letter-spacing: 3px;
    margin-bottom: var(--space-1);
}

.cert-authority {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ── CERT BODY ── */
.cert-body {
    padding: var(--space-10) var(--space-12);
    text-align: center;
    position: relative;
}

.cert-watermark {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    font-weight: var(--font-bold);
    color: rgba(201, 168, 76, 0.06);
    letter-spacing: 8px;
    pointer-events: none;
    user-select: none;
}

.cert-label {
    font-size: var(--text-sm);
    color: #8B6914;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.cert-achievement-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: #8B6914;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: var(--space-8);
    position: relative;
    display: inline-block;
}

.cert-achievement-title::before,
.cert-achievement-title::after {
    content: "✦";
    color: #C9A84C;
    margin: 0 var(--space-3);
    font-size: var(--text-sm);
}

.cert-certifies {
    font-size: var(--text-base);
    color: #555555;
    margin-bottom: var(--space-4);
}

.cert-name {
    font-family: "Georgia", "Times New Roman", serif;
    font-size: 2.8rem;
    font-weight: bold;
    color: #1B3A6B;
    margin-bottom: var(--space-2);
    line-height: 1.2;
}

.cert-name-underline {
    width: 300px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #C9A84C, transparent);
    margin: 0 auto var(--space-6);
}

.cert-completed-text {
    font-size: var(--text-base);
    color: #555555;
    margin-bottom: var(--space-3);
}

.cert-course-name {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: #1B3A6B;
    margin-bottom: var(--space-8);
}

/* ── CERT DIVIDER ── */
.cert-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.cert-divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, #C9A84C, transparent);
}

.cert-divider-diamond {
    color: #C9A84C;
    font-size: var(--text-lg);
}

/* ── CERT FOOTER ── */
.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 var(--space-4);
}

.cert-footer-item {
    text-align: center;
}

.cert-footer-label {
    font-size: var(--text-xs);
    color: #888888;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-1);
}

.cert-footer-value {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: #2C2C2C;
}

.cert-seal {
    width: 80px;
    height: 80px;
    border: 3px solid #C9A84C;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    background: radial-gradient(circle, rgba(201,168,76,0.1), transparent);
}

.cert-seal-text {
    font-size: 7px;
    font-weight: var(--font-bold);
    color: #C9A84C;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    line-height: 1.4;
}

/* ── CERT BOTTOM BAND ── */
.cert-bottom-band {
    background: linear-gradient(90deg, #C9A84C, #F0D080, #C9A84C);
    padding: var(--space-3) var(--space-8);
    text-align: center;
}

.cert-verify-url {
    font-size: var(--text-xs);
    color: #1B3A6B;
    font-weight: var(--font-semibold);
    letter-spacing: 0.5px;
}

/* ── VERIFY PAGE ── */
.verify-page {
    min-height: 100vh;
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
}

.verify-topbar {
    height: var(--navbar-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
}

.verify-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

.verify-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    width: 100%;
    max-width: 560px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.verify-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.verify-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
}

.verify-input-row {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.verify-result {
    margin-top: var(--space-6);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: left;
}

.verify-result-valid {
    background-color: rgba(16, 185, 129, 0.08);
    border: 2px solid var(--color-success);
}

.verify-result-invalid {
    background-color: rgba(239, 68, 68, 0.08);
    border: 2px solid var(--color-error);
}

.verify-result-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.verify-result-icon {
    font-size: 2rem;
}

.verify-result-status {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
}

.verify-result-status.valid {
    color: var(--color-success);
}

.verify-result-status.invalid {
    color: var(--color-error);
}

.verify-result-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.verify-detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.verify-detail-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.verify-detail-value {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

/* ── ADMIN CERTIFICATES ── */
.cert-status-active {
    background-color: rgba(201, 168, 76, 0.1);
    color: #8B6914;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .cert-name {
        font-size: 1.8rem;
    }

    .cert-body {
        padding: var(--space-8) var(--space-6);
    }

    .cert-footer {
        flex-direction: column;
        gap: var(--space-6);
        align-items: center;
    }

    .certificate-actions-bar {
        flex-direction: column;
    }

    .verify-input-row {
        flex-direction: column;
    }
}