/* ============================================
   DOI Plugin — Frontend Styles
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
    --doi-navy:   #0d2340;
    --doi-gold:   #c8973a;
    --doi-gold-l: #e8b84b;
    --doi-green:  #1a6b3c;
    --doi-red:    #c0392b;
    --doi-bg:     #f7f5f0;
    --doi-white:  #ffffff;
    --doi-border: #ddd4c4;
    --doi-text:   #1a1a2e;
    --doi-muted:  #6b7280;
    --doi-shadow: 0 20px 60px rgba(13,35,64,0.18);
    --doi-radius: 14px;
    --doi-font:   'DM Sans', sans-serif;
    --doi-serif:  'Playfair Display', serif;
}

#doi-wrap {
    display: block;
    text-align: center;
    width: 100%;
}

/* ---- Open Button ---- */
#doi-open-btn {
    font-family: var(--doi-font);
    background: linear-gradient(135deg, var(--doi-navy) 0%, #1a3a6b 100%);
    color: #fff;
    border: none;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(13,35,64,0.3);
    transition: all .3s ease;
    letter-spacing: 0.3px;
}
#doi-open-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(13,35,64,0.4);
    background: linear-gradient(135deg, #1a3a6b 0%, #0d2340 100%);
}

/* ---- Modal (Full-screen backdrop + centred card) ---- */
/* Visibility is controlled entirely by JS .show()/.hide() — no CSS class toggling */
#doi-modal {
    display: none;                  /* JS overrides this with show()/hide() */
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    padding: 24px 16px !important;
    background: rgba(10, 20, 40, 0.72) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    z-index: 2147483647 !important;
    box-sizing: border-box !important;
    transform: none !important;
    overflow: hidden !important;
    /* flex layout for centering the inner card */
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}
/* When JS calls .show(), jQuery sets display:block — override to flex */
#doi-modal[style*="display: block"],
#doi-modal[style*="display:block"] {
    display: flex !important;
}

#doi-modal .doi-modal-inner {
    background: #ffffff !important;
    width: 100% !important;
    max-width: 820px !important;
    height: 100% !important;
    max-height: calc(100vh - 48px) !important;
    min-height: 0 !important;
    border-radius: 16px !important;
    box-shadow: 0 32px 80px rgba(0,0,0,0.45) !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    position: relative !important;
    flex: none !important;
    margin: 0 auto !important;
    padding: 0 !important;
    animation: doiSlideUp .35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes doiSlideUp { from { transform:translateY(30px) scale(0.97); opacity:0; } to { transform:translateY(0) scale(1); opacity:1; } }

/* ---- Modal Header ---- */
#doi-modal .doi-modal-header {
    background: linear-gradient(135deg, var(--doi-navy) 0%, #1a3a6b 100%) !important;
    color: #fff !important;
    padding: 20px 28px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin: 0 !important;
}
.doi-logo-area {
    display: flex;
    align-items: center;
    gap: 14px;
}
.doi-logo-icon { font-size: 32px; }
.doi-logo-area h2 {
    font-family: var(--doi-serif);
    font-size: 18px;
    margin: 0;
    color: #fff;
    line-height: 1.2;
}
.doi-logo-area p {
    margin: 0;
    font-size: 12px;
    opacity: 0.75;
    color: var(--doi-gold-l);
    letter-spacing: 0.5px;
}
.doi-close-btn {
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    width: 44px; height: 44px;
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background .2s;
    /* Large touch target for mobile */
    -webkit-tap-highlight-color: rgba(255,255,255,0.2);
    touch-action: manipulation;
    position: relative;
    z-index: 10;
}
.doi-close-btn:hover,
.doi-close-btn:active { background: rgba(255,255,255,0.35); }

/* ---- Step Indicator ---- */
#doi-modal .doi-steps-bar {
    display: flex !important;
    background: var(--doi-bg) !important;
    border-bottom: 1px solid var(--doi-border) !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin: 0 !important;
}
.doi-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px 10px;
    border-bottom: 3px solid transparent;
    transition: all .3s;
    cursor: default;
}
.doi-step span {
    width: 28px; height: 28px;
    background: #d1d5db;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    font-family: var(--doi-font);
    margin-bottom: 4px;
    transition: all .3s;
}
.doi-step small {
    font-family: var(--doi-font);
    font-size: 10px;
    color: var(--doi-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color .3s;
}
.doi-step.active {
    border-bottom-color: var(--doi-gold);
}
.doi-step.active span {
    background: var(--doi-navy);
}
.doi-step.active small {
    color: var(--doi-navy);
    font-weight: 600;
}
.doi-step.completed span {
    background: var(--doi-green);
}

/* ---- Modal Body ---- */
#doi-modal .doi-modal-body {
    flex: 1 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding: 32px 36px 48px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    background: #fafaf8 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    min-height: 0 !important;
}
.doi-modal-body::-webkit-scrollbar { width: 5px; }
.doi-modal-body::-webkit-scrollbar-track { background: var(--doi-bg); }
.doi-modal-body::-webkit-scrollbar-thumb { background: var(--doi-border); border-radius: 10px; }

/* ---- Step Content ---- */
.doi-step-content { display: none; width: 100%; max-width: 760px; }
.doi-step-content.active { display: block; }

.doi-step-content h3 {
    font-family: var(--doi-serif);
    font-size: 22px;
    color: var(--doi-navy);
    margin: 0 0 6px;
}
.doi-subtitle {
    font-family: var(--doi-font);
    color: var(--doi-muted);
    font-size: 14px;
    margin: 0 0 22px;
}

/* ---- Form ---- */
.doi-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.doi-field { display: flex; flex-direction: column; gap: 6px; }
.doi-field-full { grid-column: 1 / -1; }
.doi-field label {
    font-family: var(--doi-font);
    font-size: 13px;
    font-weight: 600;
    color: var(--doi-navy);
    letter-spacing: 0.3px;
}
.doi-field .req { color: var(--doi-red); }
.doi-field input,
.doi-field select {
    font-family: var(--doi-font);
    font-size: 14px;
    padding: 11px 14px;
    border: 1.5px solid var(--doi-border);
    border-radius: 8px;
    background: var(--doi-bg);
    color: var(--doi-text);
    transition: border .2s, box-shadow .2s;
    outline: none;
}
.doi-field input:focus,
.doi-field select:focus {
    border-color: var(--doi-navy);
    box-shadow: 0 0 0 3px rgba(13,35,64,0.08);
    background: #fff;
}

/* ---- Buttons ---- */
.doi-btn {
    font-family: var(--doi-font);
    font-size: 14px;
    font-weight: 600;
    padding: 11px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    text-decoration: none;
}
.doi-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
}
.doi-btn-primary {
    background: linear-gradient(135deg, var(--doi-navy), #1a3a6b);
    color: #fff;
    box-shadow: 0 2px 8px rgba(13,35,64,0.25);
}
.doi-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(13,35,64,0.35);
}
.doi-btn-secondary {
    background: #4b5563;
    color: #fff;
}
.doi-btn-secondary:hover:not(:disabled) { background: #374151; }
.doi-btn-success {
    background: var(--doi-green);
    color: #fff;
}
.doi-btn-success:hover:not(:disabled) { background: #145c33; }
.doi-btn-danger { background: var(--doi-red); color: #fff; }
.doi-btn-danger:hover:not(:disabled) { background: #a93226; }
.doi-btn-outline {
    background: transparent;
    color: var(--doi-navy);
    border: 1.5px solid var(--doi-border);
}
.doi-btn-outline:hover:not(:disabled) {
    border-color: var(--doi-navy);
    background: var(--doi-bg);
}

.doi-step-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--doi-border);
}

/* ---- Camera ---- */
.doi-camera-area {
    background: #111;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    max-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#doi-camera-video, #doi-record-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
#doi-photo-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.doi-camera-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-family: var(--doi-font);
    font-size: 14px;
}
.doi-camera-controls {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.doi-upload-status {
    margin-top: 10px;
    font-family: var(--doi-font);
    font-size: 13px;
    color: var(--doi-green);
    font-weight: 600;
}
.doi-upload-status.error { color: var(--doi-red); }

/* ---- Passport ---- */
.doi-passport-options {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}
.doi-option-card {
    flex: 1;
    border: 2px solid var(--doi-border);
    border-radius: 12px;
    background: var(--doi-bg);
    padding: 20px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: all .2s;
    font-family: var(--doi-font);
    text-align: center;
}
.doi-option-card:hover {
    border-color: var(--doi-navy);
    background: #eef2ff;
    transform: translateY(-2px);
}
.doi-option-card.selected {
    border-color: var(--doi-navy);
    background: rgba(13,35,64,0.06);
}
.doi-option-icon { font-size: 32px; }
.doi-option-card strong { font-size: 14px; color: var(--doi-navy); }
.doi-option-card small { font-size: 12px; color: var(--doi-muted); }

#doi-passport-video {
    width: 100%;
    border-radius: 10px;
    max-height: 250px;
    background: #111;
}
#doi-passport-preview {
    max-width: 100%;
    max-height: 250px;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* ---- Affirmation ---- */
.doi-affirmation-box {
    background: linear-gradient(135deg, #fefce8, #fef3c7);
    border: 1.5px solid #f59e0b;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 20px;
}
.doi-affirmation-box h4 {
    font-family: var(--doi-font);
    font-size: 14px;
    font-weight: 700;
    color: #92400e;
    margin: 0 0 12px;
}
.doi-affirmation-box ul {
    margin: 0;
    padding-left: 20px;
}
.doi-affirmation-box li {
    font-family: var(--doi-font);
    font-size: 13px;
    color: #78350f;
    line-height: 1.7;
    margin-bottom: 4px;
}

/* ---- Video ---- */
.doi-video-area {
    background: #111;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
    max-height: 240px;
}
#doi-record-preview, #doi-recorded-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.doi-timer {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(192,57,43,0.9);
    color: #fff;
    font-family: var(--doi-font);
    font-size: 18px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 20px;
}
.doi-video-controls {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    flex-wrap: wrap;
}

/* ---- Signature ---- */
.doi-signature-wrapper {
    border: 2px solid var(--doi-border);
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    position: relative;
}
.doi-sig-label {
    font-family: var(--doi-font);
    font-size: 11px;
    font-weight: 600;
    color: var(--doi-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 16px 0;
}
#doi-signature-canvas {
    width: 100%;
    height: 200px;
    display: block;
    cursor: crosshair;
    touch-action: none;
}
.doi-sig-line {
    height: 1px;
    background: var(--doi-border);
    margin: 0 16px 12px;
}
.doi-sig-controls {
    display: flex;
    gap: 12px;
    margin-top: 14px;
}

/* ---- Terms ---- */
.doi-terms-box {
    border: 1.5px solid var(--doi-border);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 16px;
}
.doi-terms-box h4 {
    font-family: var(--doi-font);
    font-size: 14px;
    font-weight: 700;
    color: var(--doi-navy);
    margin: 0;
    padding: 14px 18px;
    background: var(--doi-bg);
    border-bottom: 1px solid var(--doi-border);
}
.doi-terms-scroll {
    height: 200px;
    overflow-y: auto;
    padding: 16px 18px;
}
.doi-terms-scroll p {
    font-family: var(--doi-font);
    font-size: 12.5px;
    color: #374151;
    line-height: 1.7;
    margin: 0 0 14px;
}
.doi-terms-scroll::-webkit-scrollbar { width: 4px; }
.doi-terms-scroll::-webkit-scrollbar-thumb { background: var(--doi-border); border-radius: 4px; }
.doi-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: #f0fdf4;
    border-top: 1px solid var(--doi-border);
    cursor: pointer;
    font-family: var(--doi-font);
    font-size: 13px;
    font-weight: 600;
    color: var(--doi-navy);
}
.doi-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--doi-navy);
    cursor: pointer;
    flex-shrink: 0;
}

/* ---- Payment Page ---- */
.doi-payment-page { text-align: center; }
.doi-success-badge {
    font-size: 64px;
    animation: doiBounce .6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes doiBounce {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}
.doi-payment-page h3 {
    font-family: var(--doi-serif);
    font-size: 26px;
    color: var(--doi-green);
    margin: 12px 0 8px;
}
.doi-doc-number-display {
    font-family: var(--doi-font);
    font-size: 15px;
    color: var(--doi-muted);
    margin-bottom: 24px;
}
.doi-doc-number-display strong {
    font-size: 18px;
    color: var(--doi-navy);
    font-family: monospace;
    background: var(--doi-bg);
    padding: 4px 12px;
    border-radius: 6px;
    border: 1px solid var(--doi-border);
}
.doi-payment-box {
    background: var(--doi-bg);
    border: 1.5px solid var(--doi-border);
    border-radius: 14px;
    padding: 24px 28px;
    text-align: left;
    margin-top: 8px;
}
.doi-payment-box h4 {
    font-family: var(--doi-font);
    font-size: 16px;
    font-weight: 700;
    color: var(--doi-navy);
    margin: 0 0 12px;
}
.doi-payment-box > p {
    font-family: var(--doi-font);
    font-size: 14px;
    color: #374151;
    margin-bottom: 18px;
}
.doi-bank-details {
    background: #fff;
    border: 1px solid var(--doi-border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}
.doi-bank-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--doi-border);
    font-family: var(--doi-font);
    font-size: 13.5px;
}
.doi-bank-row:last-child { border-bottom: none; }
.doi-bank-row span { color: var(--doi-muted); min-width: 130px; font-size: 12px; }
.doi-bank-row strong { color: var(--doi-navy); }
.doi-highlight { color: var(--doi-gold) !important; font-size: 16px !important; }
.doi-whatsapp-note {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #f0fff4;
    border: 1px solid #86efac;
    border-radius: 10px;
    padding: 16px;
}
.doi-wa-icon { font-size: 28px; flex-shrink: 0; }
.doi-whatsapp-note strong { font-family: var(--doi-font); font-size: 14px; color: var(--doi-navy); }
.doi-wa-link {
    font-family: var(--doi-font);
    font-size: 16px;
    font-weight: 700;
    color: #16a34a;
    text-decoration: none;
}
.doi-wa-link:hover { text-decoration: underline; }
.doi-whatsapp-note small { font-family: var(--doi-font); font-size: 12px; color: var(--doi-muted); }

/* ---- Loading ---- */
.doi-loading {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.88);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    border-radius: var(--doi-radius);
    z-index: 10;
}
.doi-spinner {
    width: 44px; height: 44px;
    border: 4px solid var(--doi-border);
    border-top-color: var(--doi-navy);
    border-radius: 50%;
    animation: doiSpin .8s linear infinite;
}
@keyframes doiSpin { to { transform:rotate(360deg); } }
.doi-loading p {
    font-family: var(--doi-font);
    font-size: 14px;
    color: var(--doi-navy);
    font-weight: 600;
}

/* =================== VERIFY SECTION =================== */
#doi-verify-wrap {
    font-family: var(--doi-font);
    max-width: 780px;
    margin: 0 auto;
}
.doi-verify-search-box {
    background: var(--doi-bg);
    border: 1.5px solid var(--doi-border);
    border-radius: var(--doi-radius);
    padding: 30px 36px;
    text-align: center;
}
.doi-verify-search-box h3 {
    font-family: var(--doi-serif);
    font-size: 22px;
    color: var(--doi-navy);
    margin: 0 0 8px;
}
.doi-verify-search-box p {
    color: var(--doi-muted);
    font-size: 14px;
    margin-bottom: 20px;
}
.doi-verify-input-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    max-width: 440px;
    margin: 0 auto;
}
#doi-verify-input {
    flex: 1;
    font-family: var(--doi-font);
    font-size: 15px;
    padding: 12px 16px;
    border: 1.5px solid var(--doi-border);
    border-radius: 8px;
    background: #fff;
    color: var(--doi-text);
    outline: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}
#doi-verify-input:focus {
    border-color: var(--doi-navy);
    box-shadow: 0 0 0 3px rgba(13,35,64,0.08);
}
.doi-verify-msg {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
}
.doi-verify-msg.error { color: var(--doi-red); }

.doi-verify-card {
    margin-top: 28px;
    border: 1.5px solid var(--doi-border);
    border-radius: var(--doi-radius);
    overflow: hidden;
    background: #fff;
    box-shadow: 0 8px 30px rgba(13,35,64,0.1);
    animation: doiSlideUp .4s ease;
}
.doi-verify-header {
    background: linear-gradient(135deg, var(--doi-navy), #1a3a6b);
    color: #fff;
    padding: 24px 28px;
    text-align: center;
}
.doi-verify-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}
.doi-verify-badge.pending { background: rgba(245,158,11,0.3); color: #fcd34d; }
.doi-verify-header h3 {
    font-family: var(--doi-serif);
    font-size: 20px;
    margin: 0 0 6px;
    color: #fff;
}
.doi-verify-docnum {
    font-family: monospace;
    font-size: 18px;
    color: var(--doi-gold-l);
    margin: 0;
    letter-spacing: 1px;
}
.doi-verify-body {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0;
}
.doi-verify-photos {
    background: var(--doi-bg);
    padding: 24px;
    border-right: 1px solid var(--doi-border);
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}
.doi-v-photo-box {
    text-align: center;
}
.doi-v-photo-box img {
    width: 140px;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    border: 3px solid var(--doi-border);
    background: #ddd;
}
.doi-v-photo-box small {
    display: block;
    margin-top: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--doi-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.doi-verify-details {
    padding: 24px;
}
.doi-details-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}
.doi-details-table th {
    text-align: left;
    padding: 9px 12px;
    color: var(--doi-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    width: 140px;
    border-bottom: 1px solid var(--doi-border);
}
.doi-details-table td {
    padding: 9px 12px;
    color: var(--doi-text);
    font-weight: 500;
    border-bottom: 1px solid var(--doi-border);
}
.doi-verify-card > div[id$="-section"] {
    padding: 20px 28px;
    border-top: 1px solid var(--doi-border);
}
.doi-verify-card > div[id$="-section"] h4 {
    font-family: var(--doi-font);
    font-size: 15px;
    font-weight: 700;
    color: var(--doi-navy);
    margin: 0 0 14px;
}
.doi-pending-note {
    background: #fffbeb;
    border-top: 1px solid #fde68a;
    padding: 16px 28px !important;
    text-align: center;
    font-size: 14px;
    color: #92400e;
    font-weight: 500;
}

/* ---- Payment Actions ---- */
.doi-payment-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}
.doi-payment-actions .doi-btn {
    font-size: 13px;
    padding: 10px 20px;
}
.doi-email-note {
    width: 100%;
    text-align: center;
    font-family: var(--doi-font);
    font-size: 13px;
    color: var(--doi-green);
    font-weight: 600;
    padding: 8px 0 0;
}

/* ---- Admin signature download ---- */
.doi-download-sig-btn {
    vertical-align: middle;
    font-size: 12px !important;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .doi-form-grid { grid-template-columns: 1fr; }
    .doi-passport-options { flex-direction: column; }
    .doi-verify-body { grid-template-columns: 1fr; }
    .doi-verify-photos { border-right: none; border-bottom: 1px solid var(--doi-border); flex-direction: row; justify-content: center; }
    .doi-modal-body { padding: 20px; }
    .doi-payment-box { padding: 18px; }
}