/* =========================================
   EIU Certificate Verification - Public CSS
   ========================================= */

:root {
    --p: #1a56db;
    --p2: #7c3aed;
    --success: #059669;
    --danger: #dc2626;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --radius: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,.1);
    --shadow-lg: 0 20px 40px rgba(0,0,0,.12);
}

.eiu-verify-wrap { max-width: 680px; margin: 0 auto; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

/* ── Hero ── */
.eiu-verify-hero {
    background: linear-gradient(135deg, #1a56db 0%, #7c3aed 100%);
    border-radius: 20px; padding: 36px 32px;
    margin-bottom: 24px; text-align: center;
    box-shadow: 0 8px 32px rgba(26,86,219,.35);
    position: relative; overflow: hidden;
}
.eiu-verify-hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255,255,255,.15) 0%, transparent 60%);
}
.eiu-verify-hero-inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.eiu-verify-badge { animation: float 3s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.eiu-verify-hero-text h1 { color: #fff; font-size: 26px; font-weight: 800; margin: 0 0 6px; letter-spacing: -.02em; }
.eiu-verify-hero-text p { color: rgba(255,255,255,.8); font-size: 14px; margin: 0; }

/* ── Search Panel ── */
.eiu-search-panel { margin-bottom: 20px; }
.eiu-search-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 32px; border: 1px solid var(--gray-100); }
.eiu-search-card h2 { font-size: 20px; font-weight: 700; color: var(--gray-900); margin: 0 0 6px; }
.eiu-search-card p { color: var(--gray-500); font-size: 14px; margin: 0 0 24px; }
.eiu-verify-input-group { display: flex; gap: 0; align-items: stretch; background: var(--gray-50); border: 2px solid var(--gray-200); border-radius: 12px; overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.eiu-verify-input-group:focus-within { border-color: var(--p); box-shadow: 0 0 0 4px rgba(26,86,219,.12); }
.eiu-input-icon { display: flex; align-items: center; justify-content: center; padding: 0 14px; color: var(--gray-400); flex-shrink: 0; }
.eiu-verify-input { flex: 1; border: none; background: transparent; font-size: 15px; padding: 15px 4px; color: var(--gray-900); outline: none; min-width: 0; }
.eiu-verify-input::placeholder { color: var(--gray-400); }
.eiu-verify-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 0 22px; background: linear-gradient(135deg, var(--p), var(--p2));
    color: #fff; border: none; font-size: 14px; font-weight: 700;
    cursor: pointer; transition: opacity .2s, transform .1s; white-space: nowrap;
    flex-shrink: 0;
}
.eiu-verify-btn:hover { opacity: .9; }
.eiu-verify-btn:active { transform: scale(.98); }
.eiu-verify-hint { font-size: 12px; color: var(--gray-400); margin: 12px 0 0; text-align: center; }

/* ── Loading ── */
.eiu-loading-card {
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
    padding: 48px 32px; text-align: center; border: 1px solid var(--gray-100);
}
.eiu-orbit-loader { position: relative; width: 80px; height: 80px; margin: 0 auto 28px; }
.eiu-orbit-ring {
    position: absolute; inset: 0; border-radius: 50%;
    border: 2px solid transparent; border-top-color: var(--p);
    animation: eiu-orbit linear infinite;
}
.eiu-orbit-ring-1 { animation-duration: 1.2s; }
.eiu-orbit-ring-2 { inset: 10px; border-top-color: var(--p2); animation-duration: .9s; animation-direction: reverse; }
.eiu-orbit-ring-3 { inset: 20px; border-top-color: #60a5fa; animation-duration: .7s; }
.eiu-orbit-center {
    position: absolute; inset: 28px; background: linear-gradient(135deg, var(--p), var(--p2));
    border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff;
    box-shadow: 0 0 20px rgba(26,86,219,.4);
}
@keyframes eiu-orbit { to { transform: rotate(360deg); } }
.eiu-loading-title { font-size: 20px; font-weight: 700; color: var(--gray-900); margin: 0 0 8px; }
.eiu-loading-subtitle { color: var(--gray-500); font-size: 14px; margin: 0 0 24px; min-height: 20px; }
.eiu-progress-bar-wrap { background: var(--gray-100); border-radius: 100px; height: 6px; margin-bottom: 28px; overflow: hidden; }
.eiu-progress-bar { height: 100%; background: linear-gradient(90deg, var(--p), var(--p2)); border-radius: 100px; width: 0; transition: width .5s ease; }
.eiu-loading-steps { display: flex; flex-direction: column; gap: 10px; text-align: left; max-width: 320px; margin: 0 auto; }
.eiu-step { display: flex; gap: 12px; align-items: center; font-size: 13px; color: var(--gray-400); transition: color .3s; }
.eiu-step.active { color: var(--gray-700); }
.eiu-step.done { color: var(--success); }
.eiu-step-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gray-200); flex-shrink: 0; transition: background .3s; }
.eiu-step.active .eiu-step-dot { background: var(--p); animation: eiu-pulse-dot 1s ease-in-out infinite; }
.eiu-step.done .eiu-step-dot { background: var(--success); }
@keyframes eiu-pulse-dot { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: .7; } }

/* ── Result Cards ── */
.eiu-result-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid var(--gray-100); animation: eiu-slide-in .5s cubic-bezier(.34,1.56,.64,1); }
@keyframes eiu-slide-in { from { opacity: 0; transform: translateY(30px) scale(.95); } to { opacity: 1; transform: none; } }

/* Verified Banner */
.eiu-verified-banner { background: linear-gradient(135deg, #059669 0%, #0d9488 100%); padding: 32px 28px; display: flex; gap: 20px; align-items: center; }
.eiu-verified-icon-wrap { position: relative; flex-shrink: 0; }
.eiu-verified-icon { width: 72px; height: 72px; background: rgba(255,255,255,.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.eiu-verified-rings { position: absolute; inset: 0; pointer-events: none; }
.eiu-ring { position: absolute; border-radius: 50%; border: 2px solid rgba(255,255,255,.3); animation: eiu-ring-expand 2s ease-out infinite; }
.eiu-ring-1 { inset: -8px; animation-delay: 0s; }
.eiu-ring-2 { inset: -18px; animation-delay: .5s; }
@keyframes eiu-ring-expand { 0% { opacity: .8; transform: scale(.9); } 100% { opacity: 0; transform: scale(1.4); } }
.eiu-verified-text { flex: 1; }
.eiu-status-badge { display: inline-block; background: rgba(255,255,255,.25); color: #fff; font-size: 11px; font-weight: 800; padding: 4px 12px; border-radius: 100px; letter-spacing: .1em; margin-bottom: 8px; }
.eiu-verified-text h2 { color: #fff; font-size: 22px; font-weight: 800; margin: 0 0 4px; }
.eiu-verified-text p { color: rgba(255,255,255,.85); font-size: 13.5px; margin: 0; }

/* Certificate Details */
.eiu-cert-details { padding: 28px; }
.eiu-cert-detail-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.eiu-cert-detail-full { margin-bottom: 20px; }
.eiu-cert-detail label, .eiu-cert-detail-full label { font-size: 11px; font-weight: 700; color: var(--gray-400); text-transform: uppercase; letter-spacing: .08em; display: block; margin-bottom: 4px; }
.eiu-cert-value { font-size: 15px; font-weight: 600; color: var(--gray-900); }
.eiu-cert-value-award { font-size: 16px; font-weight: 700; color: var(--p); }
.eiu-mono { font-family: monospace; font-size: 14px; background: var(--gray-100); padding: 4px 10px; border-radius: 6px; display: inline-block; }
.eiu-cert-timestamp { font-size: 12px; color: var(--gray-400); display: flex; align-items: center; gap: 6px; padding-top: 16px; border-top: 1px solid var(--gray-100); margin-top: 4px; }

/* Actions */
.eiu-result-actions { display: flex; gap: 10px; padding: 0 28px 28px; flex-wrap: wrap; }
.eiu-action-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: all .2s; }
.eiu-action-btn-outline { background: var(--gray-50); color: var(--gray-700); border: 1.5px solid var(--gray-200); }
.eiu-action-btn-outline:hover { background: var(--gray-100); border-color: var(--gray-300); }
.eiu-action-btn-primary { background: linear-gradient(135deg, var(--p), var(--p2)); color: #fff; flex: 1; justify-content: center; }
.eiu-action-btn-primary:hover { opacity: .9; }

/* Error card */
.eiu-result-invalid { padding: 48px 32px; text-align: center; }
.eiu-invalid-icon-wrap { margin-bottom: 20px; }
.eiu-invalid-icon { width: 80px; height: 80px; background: linear-gradient(135deg, #dc2626, #b91c1c); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }
.eiu-result-invalid h2 { font-size: 22px; font-weight: 700; color: var(--gray-900); margin: 0 0 8px; }
.eiu-result-invalid p { color: var(--gray-500); font-size: 14px; margin: 0; max-width: 380px; margin-inline: auto; }

/* ── Print Styles ── */
@media print {
    body * { visibility: hidden !important; }
    #eiu-print-template, #eiu-print-template * { visibility: visible !important; }
    #eiu-print-template { position: fixed; inset: 0; display: block !important; }
    .eiu-print-doc { font-family: 'Times New Roman', serif; max-width: 700px; margin: 0 auto; padding: 40px; }
    .eiu-print-header { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 20px; border-bottom: 3px double #1a56db; margin-bottom: 28px; }
    .eiu-print-school-name { font-size: 18px; font-weight: bold; color: #1a56db; }
    .eiu-print-school-url { font-size: 12px; color: #6b7280; }
    .eiu-print-doc-title { font-size: 16px; font-weight: bold; color: #111827; text-align: right; }
    .eiu-print-doc-subtitle { font-size: 11px; color: #6b7280; text-align: right; }
    .eiu-print-status-bar { background: #d1fae5; border: 2px solid #059669; border-radius: 8px; padding: 14px 18px; display: flex; gap: 14px; align-items: center; margin-bottom: 24px; }
    .eiu-print-status-icon { width: 36px; height: 36px; background: #059669; border-radius: 50%; color: white; font-size: 20px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .eiu-print-status-label { font-size: 10px; font-weight: bold; color: #6b7280; text-transform: uppercase; letter-spacing: .06em; }
    .eiu-print-status-value { font-size: 18px; font-weight: bold; color: #059669; }
    .eiu-print-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
    .eiu-print-table th, .eiu-print-table td { border: 1px solid #e5e7eb; padding: 10px 14px; font-size: 13px; text-align: left; }
    .eiu-print-table th { background: #f9fafb; font-weight: bold; color: #374151; width: 35%; }
    .eiu-print-table td { color: #111827; }
    .eiu-print-footer { border-top: 2px solid #e5e7eb; padding-top: 16px; }
    .eiu-print-footer-seal { font-size: 11px; color: #6b7280; margin-bottom: 10px; }
    .eiu-print-footer-line { font-size: 10px; color: #9ca3af; }
}

@media (max-width: 600px) {
    .eiu-verify-hero { padding: 28px 20px; }
    .eiu-search-card, .eiu-loading-card { padding: 24px 20px; }
    .eiu-cert-detail-row { grid-template-columns: 1fr; }
    .eiu-verified-banner { flex-direction: column; text-align: center; padding: 24px 20px; }
    .eiu-cert-details { padding: 20px; }
    .eiu-result-actions { padding: 0 20px 20px; flex-direction: column; }
    .eiu-action-btn-primary { flex: unset; }
    .eiu-verify-btn .eiu-verify-btn-text { display: none; }
}

/* ══════════════════════════════════════
   MODE TABS
══════════════════════════════════════ */
.eiu-mode-tabs {
    display: flex; gap: 8px; margin-bottom: 20px;
    background: #fff; border-radius: 14px; padding: 6px;
    box-shadow: 0 2px 12px rgba(14,52,124,.08);
    border: 1px solid var(--gray-200, #e5e7eb);
}
.eiu-mode-tab {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 16px; border-radius: 10px; border: none; cursor: pointer;
    font-size: 13.5px; font-weight: 600; color: #64748b; background: transparent;
    transition: all .2s;
}
.eiu-mode-tab:hover { background: #f0f4f9; color: #0e347c; }
.eiu-mode-tab.active {
    background: linear-gradient(135deg, #0e347c, #1a56db);
    color: #fff;
    box-shadow: 0 4px 12px rgba(14,52,124,.25);
}

/* Student field labels */
.eiu-stu-label {
    display: block; font-size: 13px; font-weight: 600;
    color: #374151; margin-bottom: 6px;
}

/* Admin badge for completed */
.eiu-badge-completed { background: #ede9fe; color: #7c3aed; }