/* ============================================================================
   iCET Certificate Manager — Frontend CSS
   Formal Institutional Design — Arial/Helvetica/sans-serif, clean structure,
   standard professional primary tones (#1e40af / #2563eb), no glowing effects.
   ============================================================================ */

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

:root {
    /* Institutional primary palette */
    --icet-primary:       #1e40af;
    --icet-primary-l:     #2563eb;
    --icet-secondary:     #1e3a8a;

    /* Neutral functional colours */
    --icet-success:       #166534;
    --icet-success-bg:    #f0fdf4;
    --icet-success-brd:   #bbf7d0;
    --icet-error:         #991b1b;
    --icet-error-bg:      #fef2f2;
    --icet-error-brd:     #fecaca;
    --icet-info-bg:       #eff6ff;
    --icet-info-brd:      #bfdbfe;

    /* Surface / border / text */
    --icet-surface:       #ffffff;
    --icet-border:        #ccd0d4;
    --icet-border-l:      #e2e8f0;
    --icet-text:          #1a1a2e;
    --icet-text-muted:    #4a5568;
    --icet-bg-subtle:     #f7f8fa;

    /* Layout */
    --icet-radius:        4px;
    --icet-shadow:        0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
    --icet-font:          Arial, Helvetica, sans-serif;
}

/* ── Shared Wrappers ──────────────────────────────────────────────────────── */
.icet-reg-wrap,
.icet-verify-wrap {
    font-family: var(--icet-font);
    max-width: 640px;
    margin: 32px auto;
    padding: 0 16px;
}
.icet-verify-wrap { max-width: 820px; }

/* ── Card ─────────────────────────────────────────────────────────────────── */
.icet-card {
    background: var(--icet-surface);
    border: 1px solid var(--icet-border);
    border-radius: var(--icet-radius);
    box-shadow: var(--icet-shadow);
    overflow: hidden;
}

/* ── Card Header — Formal institutional banner ─────────────────────────────── */
.icet-card__header {
    background: var(--icet-primary);
    padding: 28px 32px 22px;
    text-align: center;
    border-bottom: 3px solid var(--icet-secondary);
}
.icet-logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 3px;
    margin-bottom: 14px;
}
.icet-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 6px;
    letter-spacing: .01em;
    line-height: 1.3;
    font-family: var(--icet-font);
}
.icet-card__desc {
    font-size: 13px;
    color: rgba(255,255,255,.82);
    margin: 0;
    line-height: 1.5;
    font-family: var(--icet-font);
}

/* ── Registration Form ─────────────────────────────────────────────────────── */
.icet-form {
    padding: 28px 32px 32px;
    background: var(--icet-surface);
}
.icet-form__group {
    margin-bottom: 16px;
}
.icet-form__label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--icet-text);
    margin-bottom: 5px;
    font-family: var(--icet-font);
}
.icet-required { color: #b91c1c; margin-left: 2px; }

/* Clean institutional input — no glow, standard border */
.icet-form__input {
    display: block;
    width: 100%;
    padding: 9px 12px;
    font-size: 14px;
    font-family: var(--icet-font);
    color: var(--icet-text);
    background: var(--icet-surface);
    border: 1px solid var(--icet-border);
    border-radius: var(--icet-radius);
    outline: none;
    transition: border-color .15s;
    -webkit-appearance: none;
}
.icet-form__input:focus {
    border-color: var(--icet-primary-l);
    outline: 2px solid rgba(37,99,235,.18);
    outline-offset: 0;
}
.icet-form__input::placeholder { color: #9ca3af; }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.icet-btn,
.icet-btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-family: var(--icet-font);
    font-size: 14px;
    font-weight: 700;
    border: 1px solid transparent;
    border-radius: var(--icet-radius);
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, border-color .15s, color .15s;
    letter-spacing: .01em;
}
.icet-btn--primary {
    background: var(--icet-primary);
    color: #ffffff;
    padding: 10px 24px;
    width: 100%;
    margin-top: 8px;
}
.icet-btn--primary:hover { background: var(--icet-secondary); }
.icet-btn--primary:disabled { opacity: .65; cursor: not-allowed; }

.icet-btn--secondary {
    background: var(--icet-surface);
    color: var(--icet-primary);
    border-color: var(--icet-primary);
    padding: 9px 20px;
}
.icet-btn--secondary:hover { background: var(--icet-info-bg); }

.icet-btn--sm { padding: 8px 16px; font-size: 13px; width: auto; }

.icet-btn-download {
    color: #ffffff;
    padding: 10px 24px;
}
.icet-btn__spinner { display: inline-flex; align-items: center; }
@keyframes icet-spin { to { transform: rotate(360deg); } }
.icet-spin { animation: icet-spin .8s linear infinite; }

/* ── Notices ───────────────────────────────────────────────────────────────── */
.icet-notice {
    padding: 10px 14px;
    border-radius: var(--icet-radius);
    font-size: 13px;
    font-weight: 500;
    margin-top: 12px;
    line-height: 1.5;
    border: 1px solid var(--icet-border);
    font-family: var(--icet-font);
}
.icet-notice--success { background: var(--icet-success-bg); color: var(--icet-success); border-color: var(--icet-success-brd); }
.icet-notice--error   { background: var(--icet-error-bg);   color: var(--icet-error);   border-color: var(--icet-error-brd); }
.icet-notice--info    { background: var(--icet-info-bg);    color: var(--icet-primary);  border-color: var(--icet-info-brd); }

/* ── Verifier Search Bar ───────────────────────────────────────────────────── */
.icet-verify-search { padding: 24px 32px 0; }
.icet-search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--icet-surface);
    border: 1px solid var(--icet-border);
    border-radius: var(--icet-radius);
    padding: 5px 5px 5px 12px;
    transition: border-color .15s;
}
.icet-search-bar:focus-within { border-color: var(--icet-primary-l); }
.icet-search-icon { flex-shrink: 0; color: #9ca3af; }
.icet-search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--icet-font);
    font-size: 14px;
    color: var(--icet-text);
    outline: none;
    padding: 7px 0;
}
.icet-search-input::placeholder { color: #9ca3af; }

/* ── Certificate Result ────────────────────────────────────────────────────── */
.icet-cert-result { padding: 0 32px 32px; }
.icet-cert-result__badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 22px 0 14px;
}
.icet-cert-result__valid-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--icet-success);
    margin: 8px 0 0;
    font-family: var(--icet-font);
}

/* Formal institutional information table — standard structure, no gradients */
.icet-cert-info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    border: 1px solid var(--icet-border);
    font-family: var(--icet-font);
}
.icet-cert-info-table th,
.icet-cert-info-table td {
    padding: 9px 14px;
    text-align: left;
    border-bottom: 1px solid var(--icet-border-l);
}
.icet-cert-info-table tr:last-child th,
.icet-cert-info-table tr:last-child td { border-bottom: none; }
.icet-cert-info-table th {
    background: var(--icet-bg-subtle);
    font-weight: 600;
    color: var(--icet-primary);
    width: 38%;
}

/* ── Canvas / Certificate Preview ─────────────────────────────────────────── */
.icet-canvas-section { margin-top: 24px; }
.icet-canvas-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--icet-text);
    margin: 0 0 12px;
    font-family: var(--icet-font);
}
.icet-canvas-wrapper {
    border-radius: var(--icet-radius);
    overflow: hidden;
    border: 1px solid var(--icet-border);
    box-shadow: var(--icet-shadow);
    background: var(--icet-bg-subtle);
}
.icet-cert-canvas { display: block; max-width: 100%; height: auto; }
.icet-download-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.icet-download-actions .icet-btn,
.icet-download-actions .icet-btn-download { flex: 1; min-width: 150px; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .icet-form          { padding: 20px 18px 24px; }
    .icet-card__header  { padding: 22px 18px 18px; }
    .icet-verify-search { padding: 18px 18px 0; }
    .icet-cert-result   { padding: 0 18px 24px; }
    .icet-btn--sm       { width: 100%; }
    .icet-download-actions .icet-btn,
    .icet-download-actions .icet-btn-download { flex: 1 1 100%; }
}

/* ── Comprehensive Form Grid (icet_cm_render_comprehensive_student_form) ──── */
.icet-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 20px;
    padding: 0;
    margin: 0;
}

.icet-form-grid-item { display: flex; flex-direction: column; }
.icet-form-grid-item--full { grid-column: 1 / -1; }
.icet-form-grid-item--half { grid-column: span 1; }

/* ── Select inside form grid ─────────────────────────────────────────────── */
.icet-form-grid .icet-form__input[multiple] {
    height: auto;
    min-height: 90px;
    padding: 6px 10px;
}

/* ── Radio / Checkbox groups inside form grid ────────────────────────────── */
.icet-form-grid fieldset {
    border: 0;
    padding: 0;
    margin: 0;
    min-width: 0;
}
.icet-form-grid fieldset legend {
    font-size: 13px;
    font-weight: 600;
    color: var(--icet-text);
    margin-bottom: 8px;
    width: 100%;
    float: none;
}
.icet-form-grid fieldset label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: normal;
    color: var(--icet-text);
    cursor: pointer;
    padding: 3px 0;
}
.icet-form-grid fieldset input[type="radio"],
.icet-form-grid fieldset input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--icet-primary);
    flex-shrink: 0;
    cursor: pointer;
}

/* ── Textarea inside form grid ───────────────────────────────────────────── */
.icet-form-grid textarea.icet-form__input {
    resize: vertical;
    min-height: 80px;
}

/* ── Collapse to single column on mobile ─────────────────────────────────── */
@media (max-width: 640px) {
    .icet-form-grid {
        grid-template-columns: 1fr;
    }
    .icet-form-grid-item--half { grid-column: 1 / -1; }
}