/* ============================================================
   StayZiro – registration.css (Light Interface)
   Estetica coesa con la landing page (style-base.css)
   Vibrante, Moderna, Premium
   ============================================================ */

/* ---------- Background Logic ---------- */
html {
    overflow-x: hidden;
}

.registration-page {
    background: var(--c-bg); /* Sfondo chiaro della landing */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 191, 207, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 191, 207, 0.05) 0%, transparent 40%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-10) var(--sp-4);
    position: relative;
    overflow-x: hidden;
}

/* Decorazioni astratte animate */
.registration-page::before,
.registration-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: var(--r-full);
    background: var(--c-primary-glow);
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
    animation: pulseGlow 8s ease-in-out infinite alternate;
}

.registration-page::before { top: -100px; right: -100px; }
.registration-page::after { bottom: -100px; left: -100px; animation-delay: -4s; }

@media (max-width: 768px) {
    .registration-page::before,
    .registration-page::after {
        display: none !important;
    }
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.3; }
    100% { transform: scale(1.2) translate(20px, 20px); opacity: 0.5; }
}

/* ---------- Container ---------- */
.registration-container {
    width: 100%;
    max-width: 1180px;
    box-sizing: border-box; /* Garantisce che il padding non aumenti la larghezza */
    background: rgba(255, 255, 255, 0.92);
    border-radius: 36px;
    box-shadow: 0 24px 70px rgba(0, 55, 64, 0.08);
    border: 1px solid rgba(0, 191, 207, 0.08);
    padding: 36px 40px 36px;
    position: relative;
    z-index: 10;
    animation: slideInUp 0.6s var(--ease-spring);
    backdrop-filter: blur(10px);
    overflow: hidden; /* Evita scorrimento orizzontale per le animazioni interne */
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Header & Logo ---------- */
.registration-header {
    text-align: center;
    margin-bottom: 20px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.registration-header .logo {
    display: inline-block;
    font-family: var(--ff-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--c-text);
    margin-bottom: 10px;
}

.registration-header .logo span {
    color: var(--c-primary);
}

.registration-header h2 {
    font-size: clamp(2rem, 4vw, 2.9rem);
    color: var(--c-text);
    letter-spacing: -0.05em;
}

.registration-header p {
    font-size: 0.9rem;
    color: var(--c-text-sec);
    margin-top: 6px;
}

.registration-type-switch {
    margin-top: var(--sp-3);
}

.registration-type-switch a {
    color: var(--c-primary-deep);
    font-weight: 700;
}

.compact-registration-gate {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.compact-gate-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 16px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    text-decoration: none;
    color: var(--c-text);
    transition: all 0.2s ease;
}

.compact-gate-card:hover {
    transform: translateY(-2px);
    border-color: var(--c-primary);
    box-shadow: 0 8px 24px rgba(0, 191, 207, 0.1);
}

.gate-emoji {
    font-size: 2.5rem;
    line-height: 1;
}

.compact-gate-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    text-align: center;
    color: var(--text-dark, #333);
}

/* ---------- Steps Indicator ---------- */
.steps-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-10);
}

.step-dot {
    width: 32px;
    height: 32px;
    border-radius: var(--r-full);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    color: var(--c-text-sec);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all var(--dur) var(--ease);
}

.step-dot.active {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: var(--c-white);
    box-shadow: 0 0 15px var(--c-primary-glow);
}

.step-line {
    width: 40px;
    height: 2px;
    background: var(--c-border);
}

.step-dot.completed {
    background: var(--c-primary-light);
    border-color: var(--c-primary);
    color: var(--c-primary-deep);
}

/* ---------- Forms ---------- */
.multi-step-form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}

.form-row {
    display: flex;
    gap: var(--sp-4);
    margin-bottom: var(--sp-4);
}

.form-row .input-group {
    flex: 1;
    margin-bottom: 0;
}

.form-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ---------- Input Groups ---------- */
.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
    margin-bottom: var(--sp-4);
}

.input-group {
    margin-bottom: var(--sp-5);
    position: relative;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--sp-2);
    padding-left: 4px;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: var(--sp-4) var(--sp-5);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    color: var(--c-text);
    font-size: var(--fs-base);
    transition: all var(--dur) var(--ease);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    background: var(--c-white);
    border-color: var(--c-primary);
    box-shadow: 0 0 0 4px var(--c-primary-glow);
}

.input-group input::placeholder {
    color: #A0AEC0;
}

.input-error {
    border-color: #ff5252 !important;
}

.choice-card-grid.input-error {
    padding: var(--sp-3);
    border: 1px solid rgba(255, 82, 82, 0.2);
    border-radius: 28px;
    background: rgba(255, 82, 82, 0.03);
}

.error-msg {
    margin-top: 0.65rem;
    color: #d14a4a;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Error State */
.input-group.error input {
    border-color: #ff5252;
    background: rgba(255, 82, 82, 0.02);
}

/* ---------- File Upload styling ---------- */
.file-upload-wrapper {
    background: var(--c-bg);
    border: 2px dashed var(--c-border);
    border-radius: var(--r-md);
    padding: var(--sp-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
}

.file-upload-wrapper:hover {
    border-color: var(--c-primary);
    background: var(--c-primary-light);
}

.file-upload-wrapper i {
    font-size: 1.5rem;
    color: var(--c-primary);
}

.file-upload-wrapper span {
    font-size: 0.8rem;
    color: var(--c-text-sec);
}

/* ---------- File Upload styling & Drop Zone ---------- */
.file-upload-section {
    margin-top: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}

.file-upload-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
    align-items: stretch;
}

.file-upload-section h4 {
    font-size: 1.1rem;
    color: var(--c-text);
    margin-bottom: -0.5rem;
}

.drop-zone-wrapper {
    display: flex;
    flex-direction: column;
}

.drop-zone-wrapper label {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--c-text);
    margin-bottom: 0.2rem;
    min-height: 2.4rem;
    display: flex;
    align-items: center;
}

.doc-explanation {
    font-size: 0.75rem;
    color: var(--c-text-sec);
    line-height: 1.3;
    margin-bottom: 0.8rem;
    display: block;
    min-height: 3rem;
}

.drop-zone {
    width: 100%;
    min-height: 140px;
    padding: var(--sp-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 2px dashed var(--c-border);
    border-radius: var(--r-md);
    background: var(--c-bg);
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    position: relative;
    gap: 6px;
    flex: 1;
}

@media (max-width: 1024px) {
    .file-upload-grid {
        grid-template-columns: 1fr;
    }
    
    .drop-zone-wrapper label,
    .doc-explanation {
        min-height: auto;
    }
}

.drop-zone:hover, .drop-zone:focus {
    border-color: var(--c-primary);
    background: var(--c-primary-light);
}

.drop-zone--over {
    border-style: solid;
    border-color: var(--c-primary);
    background: var(--c-primary-light);
    transform: scale(1.01);
}

.drop-icon {
    font-size: 2rem;
    margin-bottom: 4px;
}

.drop-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c-text-sec);
}

.drop-zone__input {
    display: none;
}

/* File Selected State (via JS class) */
.drop-zone--thumb {
    border-color: var(--c-primary-deep);
    border-style: solid;
    background: rgba(0, 191, 207, 0.05);
}

.drop-zone.is-uploading {
    border-color: rgba(0, 191, 207, 0.4);
    background: rgba(0, 191, 207, 0.08);
}

.drop-zone.is-uploaded {
    border-color: rgba(76, 209, 55, 0.4);
    background: rgba(76, 209, 55, 0.08);
}

.drop-zone.is-error {
    border-color: rgba(255, 82, 82, 0.46);
    background: rgba(255, 82, 82, 0.08);
}

.drop-zone-status {
    min-height: 1.2rem;
    margin-top: 0.4rem;
    font-size: 0.76rem;
    color: var(--c-text-sec);
}

.drop-zone-status.is-success {
    color: #4cd137;
}

.drop-zone-status.is-error {
    color: #ff6b6b;
}

.drop-zone-progress {
    display: none;
    width: 100%;
    height: 8px;
    margin-top: 0.45rem;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.drop-zone-progress-bar {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #10c7d9, #08a9b8);
    transition: width 0.18s ease;
}

.drop-zone-actions {
    display: none;
    align-items: center;
    gap: 0.65rem;
    margin-top: 0.55rem;
    flex-wrap: wrap;
}

.drop-zone-action {
    appearance: none;
    border: 1px solid rgba(0, 191, 207, 0.2);
    background: rgba(0, 191, 207, 0.08);
    color: var(--c-primary-deep);
    border-radius: 999px;
    padding: 0.42rem 0.8rem;
    font-size: 0.76rem;
    font-weight: 700;
    cursor: pointer;
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.drop-zone-action:hover {
    background: rgba(0, 191, 207, 0.14);
    border-color: rgba(0, 191, 207, 0.32);
}

.drop-zone-action-danger {
    color: #c94949;
    border-color: rgba(201, 73, 73, 0.18);
    background: rgba(201, 73, 73, 0.08);
}

.drop-zone-action-danger:hover {
    background: rgba(201, 73, 73, 0.14);
    border-color: rgba(201, 73, 73, 0.28);
}

/* Video Error text */
.video-error {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 6px;
    color: #ff5252;
    display: none;
}

/* ---------- Actions ---------- */
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-4);
    margin-top: var(--sp-8);
    padding-top: var(--sp-6);
}

.form-actions .btn {
    flex: 1;
    height: 54px;
}

.single-next {
    justify-content: flex-end;
}

.single-next .btn {
    flex: 0 0 auto;
    min-width: 170px;
}

/* ---------- User Journey ---------- */
.user-journey {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 10px 12px;
    margin-bottom: 22px;
    border-radius: 18px;
    background:
        linear-gradient(90deg, rgba(241, 251, 252, 0.92), rgba(255, 255, 255, 0.98)),
        var(--c-white);
    border: 1px solid rgba(0, 191, 207, 0.08);
    box-shadow: 0 8px 20px rgba(0, 108, 118, 0.04);
}

.user-journey-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.user-journey-tag {
    display: inline-flex;
    align-self: center;
    padding: 0.2rem 0.5rem;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.92);
    color: var(--c-primary-deep);
    font-size: 0.58rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    white-space: nowrap;
}

.user-journey-title {
    font-family: var(--ff-display);
    font-size: 1rem;
    color: var(--c-text);
    letter-spacing: -0.03em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-journey-copy {
    display: none;
}

.user-journey-progress {
    width: 100%;
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(0, 191, 207, 0.08);
}

.user-journey-progress-bar {
    display: block;
    width: 10%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(0, 191, 207, 0.22), rgba(0, 191, 207, 0.08));
    transition: width 0.45s var(--ease);
}

.user-journey-count {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
    border-radius: 0;
    background: transparent;
    color: #0b5560;
    font-weight: 800;
    position: static;
    z-index: 1;
    font-size: 0.7rem;
    white-space: nowrap;
}

.user-step-shell {
    max-width: 640px;
    margin: 0 auto;
}

.user-step-shell h3 {
    font-size: clamp(2.3rem, 5vw, 3.4rem);
    letter-spacing: -0.08em;
    line-height: 0.95;
    margin-bottom: 10px;
}

.user-step-shell .step-desc {
    margin-bottom: 24px;
    max-width: 18ch;
    font-size: 0.95rem;
    line-height: 1.5;
}

.user-single-field {
    max-width: 510px;
}

.user-step-shell .input-group input {
    min-height: 56px;
    border-radius: 16px;
    background: rgba(226, 236, 248, 0.78);
    border: 1px solid rgba(192, 208, 224, 0.88);
    padding: 0 18px;
}

.user-step-shell .input-group input:focus {
    background: #fff;
}

.choice-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.choice-card-grid-compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    padding: 18px;
    min-height: 126px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.055);
    box-shadow: 0 8px 22px rgba(0, 64, 72, 0.05);
    cursor: pointer;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
    overflow: hidden;
}

.choice-card::after {
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(0, 191, 207, 0.42), transparent);
    opacity: 0;
    transition: opacity var(--dur) var(--ease);
}

.choice-card:hover {
    transform: translateY(-2px);
    border-color: rgba(0, 191, 207, 0.22);
    box-shadow: 0 16px 30px rgba(0, 64, 72, 0.08);
}

.choice-card-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

.choice-card-input:checked + .choice-card-icon,
.choice-card:has(.choice-card-input:checked) .choice-card-icon {
    transform: scale(1.06);
}

.choice-card:has(.choice-card-input:checked) {
    border-color: rgba(0, 191, 207, 0.45);
    background: linear-gradient(180deg, rgba(238, 252, 253, 0.98), rgba(255, 255, 255, 1));
    box-shadow: 0 18px 30px rgba(0, 151, 167, 0.11);
}

.choice-card.is-selected {
    border-color: rgba(0, 191, 207, 0.45);
    background: linear-gradient(180deg, rgba(238, 252, 253, 0.98), rgba(255, 255, 255, 1));
    box-shadow: 0 18px 30px rgba(0, 151, 167, 0.11);
}

.choice-card:has(.choice-card-input:checked)::after {
    opacity: 1;
}

.choice-card.is-selected::after {
    opacity: 1;
}

.choice-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 16px;
    background: rgba(0, 191, 207, 0.09);
    color: var(--c-primary-deep);
    font-size: 1.35rem;
    transition: transform var(--dur) var(--ease);
}

.choice-card strong {
    color: var(--c-text);
    font-size: 0.98rem;
    letter-spacing: -0.03em;
}

.choice-card small {
    color: var(--c-text-sec);
    font-size: 0.8rem;
    line-height: 1.38;
}

.user-finish-card {
    margin-top: var(--sp-6);
    padding: 16px 18px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(0, 191, 207, 0.09), rgba(255, 255, 255, 0.96));
    border: 1px solid rgba(0, 191, 207, 0.1);
}

.user-finish-card strong {
    display: block;
    margin-bottom: 0;
    font-size: 0.98rem;
    color: var(--c-primary-dark);
}

.user-finish-card p {
    display: none;
}

.user-step-shell .form-actions {
    justify-content: flex-end;
    gap: 14px;
    padding-top: 18px;
}

.user-step-shell .btn {
    min-width: 156px;
    height: 50px;
    border-radius: 999px;
}

.user-step-shell .btn.btn-primary {
    box-shadow: 0 12px 24px rgba(0, 191, 207, 0.2);
}

.form-overlay {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--sp-4);
    padding: var(--sp-8);
    background: rgba(247, 250, 251, 0.82);
    backdrop-filter: blur(14px);
    border-radius: inherit;
    z-index: 20;
}

.form-overlay.is-visible {
    display: flex;
}

.spinner {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 4px solid rgba(0, 191, 207, 0.18);
    border-top-color: var(--c-primary);
    animation: rotation 0.8s linear infinite;
}

@keyframes rotation {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ---------- Footer ---------- */ 
.registration-footer {
    text-align: center;
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    font-size: 0.78rem;
    color: var(--c-text-sec);
    opacity: 0.9;
}

.registration-footer a {
    color: var(--c-primary-deep);
    font-weight: 700;
}

.registration-footer a:hover {
    text-decoration: underline;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .registration-container {
        padding: 28px 20px 24px;
        border-radius: 28px;
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
    
    .registration-header h2 {
        font-size: var(--fs-xl);
    }

    .registration-gate-card {
        padding: 16px;
        border-radius: 16px;
    }

    .registration-gate-card h3 {
        font-size: 1.15rem;
        margin-bottom: 8px;
    }

    .registration-gate-card p {
        font-size: 0.82rem;
        margin-bottom: 10px;
        max-width: none;
    }

    .registration-gate-list {
        margin-bottom: 14px;
        gap: 6px;
    }

    .registration-gate-list li {
        font-size: 0.78rem;
    }

    .registration-gate-cta {
        height: 44px;
        font-size: 0.85rem;
    }

    .user-journey {
        grid-template-columns: 1fr;
        align-items: stretch;
        padding: 10px 12px;
        border-radius: 18px;
        margin-bottom: 18px;
        gap: 8px;
    }

    .user-journey-meta {
        gap: 8px;
    }

    .user-journey-count {
        justify-content: flex-start;
        font-size: 0.68rem;
    }

    .user-step-shell h3 {
        font-size: 2.1rem;
        line-height: 0.98;
    }

    .user-step-shell .step-desc {
        max-width: none;
        margin-bottom: 18px;
    }

    .choice-card-grid,
    .choice-card-grid-compact,
    .form-row {
        grid-template-columns: 1fr;
        display: grid;
    }

    .choice-card {
        min-height: 112px;
        padding: 16px;
        border-radius: 22px;
    }

    .form-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .single-next {
        justify-content: stretch;
    }

    .single-next .btn {
        min-width: 0;
    }
}

@media (max-width: 1024px) {
    .registration-gate {
        grid-template-columns: 1fr;
    }

    .registration-container {
        padding: 40px 32px 32px;
    }
}

@media (max-width: 480px) {
    .registration-container {
        width: 100%;
        padding: 24px 16px 20px;
        border-radius: 20px;
        margin: 0;
    }

    .registration-header .logo {
        font-size: 1.6rem;
    }

    .registration-header h2 {
        font-size: 1.5rem;
        word-break: break-word;
    }
}

@media (max-width: 360px) {
    .registration-container {
        padding: 20px 12px 16px;
    }
}
/* ---------- Password Toggle ---------- */
.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    padding-right: 50px !important; /* Spazio per l'icona */
}

.password-toggle {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    color: var(--c-text-sec);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--dur) var(--ease);
    z-index: 5;
    width: 24px;
    height: 24px;
}

.password-toggle:hover {
    color: var(--c-primary);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
    pointer-events: none;
}

.password-toggle .eye-off {
    display: none;
}

.password-toggle.is-visible .eye-on {
    display: none;
}

.password-toggle.is-visible .eye-off {
    display: block;
}

/* ---------- Legal Checkbox ---------- */
.legal-acceptance {
    margin-top: var(--sp-4);
    padding: var(--sp-4);
    background: rgba(0, 191, 207, 0.04);
    border-radius: var(--r-md);
    border: 1px solid rgba(0, 191, 207, 0.1);
}

.custom-checkbox {
    display: flex;
    align-items: flex-start;
    position: relative;
    cursor: pointer;
    user-select: none;
    font-size: 0.85rem;
    color: var(--c-text-sec);
    line-height: 1.4;
    gap: 12px;
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.custom-checkbox .checkmark {
    min-width: 20px;
    height: 20px;
    background-color: var(--c-bg);
    border: 2px solid var(--c-border);
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-top: 2px;
}

.custom-checkbox:hover input ~ .checkmark {
    border-color: var(--c-primary);
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--c-primary);
    border-color: var(--c-primary);
}

.custom-checkbox .checkmark:after {
    content: "";
    display: none;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

.custom-checkbox a {
    color: var(--c-primary-deep);
    font-weight: 600;
    text-decoration: none;
}

.custom-checkbox a:hover {
    text-decoration: underline;
}

/* Collapsible Section for Documents */
.collapsible-section {
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 12px;
    margin-bottom: 24px;
    background: #fdfdfd;
    overflow: hidden;
    transition: all 0.3s ease;
}

.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    user-select: none;
    background: #fff;
    transition: background 0.2s ease;
}

.collapsible-header:hover {
    background: #fafafa;
}

.collapsible-header h4 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--text-dark, #333);
    font-weight: 600;
}

.collapsible-icon {
    font-size: 0.9rem;
    color: #888;
    transition: transform 0.3s ease;
}

.collapsible-content {
    padding: 0 20px;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-out;
}

/* When open */
.collapsible-section.is-open .collapsible-icon {
    transform: rotate(-180deg);
}

.collapsible-section.is-open .collapsible-content {
    padding: 16px 20px 24px;
    max-height: 2000px; /* arbitrary large value */
    opacity: 1;
    visibility: visible;
    border-top: 1px solid rgba(0,0,0,0.05);
}

@media (max-width: 480px) {
    .compact-registration-gate {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
    .compact-gate-card {
        padding: 20px 12px;
    }
    .gate-emoji {
        font-size: 2.2rem;
    }
    .compact-gate-card h3 {
        font-size: 0.95rem;
    }
}