/* ==========================================================================
   Club LSN - Theme & Style System
   Color Palette:
   - Background: #08080a / #0e0e12
   - Card/Surface: #14141c with Glassmorphism
   - Primary Accent: #D10459 (Neon Magenta Crimson)
   - Accent Glow: rgba(209, 4, 89, 0.4)
   - Secondary Text: #a0a0b8
   - Text Light: #ffffff
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700&display=swap');

:root {
    --bg-dark: #08080a;
    --bg-surface: rgba(20, 20, 28, 0.85);
    --bg-surface-solid: #14141c;
    --bg-card: rgba(28, 28, 38, 0.7);
    --border-color: rgba(255, 255, 255, 0.12);
    --border-focus: #D10459;
    
    --primary: #D10459;
    --primary-hover: #e50965;
    --primary-glow: rgba(209, 4, 89, 0.4);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --text-muted: #6e6e85;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(209, 4, 89, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(209, 4, 89, 0.08) 0%, transparent 45%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 60px;
}

.container {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Brand Header */
.header-brand {
    text-align: center;
    padding: 40px 0 25px;
}

.brand-logo-wrap {
    display: inline-block;
    position: relative;
    margin-bottom: 12px;
}

.brand-logo-img {
    max-height: 85px;
    width: auto;
    filter: drop-shadow(0 0 15px rgba(209, 4, 89, 0.5));
    transition: var(--transition);
    display: inline-block;
}

.brand-logo-img:hover {
    transform: scale(1.03);
    filter: drop-shadow(0 0 22px rgba(209, 4, 89, 0.8));
}

.brand-badge {
    background: linear-gradient(135deg, #D10459 0%, #800033 100%);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 28px;
    letter-spacing: 4px;
    padding: 8px 24px;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 25px var(--primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-subtext {
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    margin-top: 15px;
    color: #fff;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 600px;
    margin: 8px auto 0;
}

/* Form Card Container */
.form-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(209, 4, 89, 0.05);
    margin-top: 20px;
}

/* Disclaimer Banner */
.disclaimer-box {
    background: rgba(209, 4, 89, 0.1);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 16px 20px;
    margin-bottom: 30px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.disclaimer-box .icon {
    color: var(--primary);
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.disclaimer-box p {
    color: #f1f1f5;
    font-size: 13.5px;
    line-height: 1.5;
}

/* Section Headings */
.form-section {
    margin-bottom: 32px;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.section-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(209, 4, 89, 0.15);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

/* Form Layout Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.grid-4 {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr 1fr;
    gap: 15px;
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.form-group label .required {
    color: var(--primary);
    margin-left: 3px;
}

.form-control {
    width: 100%;
    background: rgba(10, 10, 15, 0.7);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14.5px;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 12px var(--primary-glow);
    background: rgba(15, 15, 22, 0.9);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    cursor: pointer;
}

/* Document Upload Switcher Tabs */
.doc-options-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.doc-tab-btn {
    background: rgba(15, 15, 22, 0.8);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.doc-tab-btn:hover {
    border-color: rgba(209, 4, 89, 0.5);
    color: var(--text-primary);
}

.doc-tab-btn.active {
    border-color: var(--primary);
    background: rgba(209, 4, 89, 0.12);
    color: #fff;
    box-shadow: 0 0 15px rgba(209, 4, 89, 0.2);
}

.doc-tab-btn .tab-title {
    font-weight: 700;
    font-size: 15px;
    margin-top: 4px;
}

.doc-tab-btn .tab-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Tab Panels */
.tab-content-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* File Upload Zone */
.file-upload-zone {
    border: 2px dashed rgba(209, 4, 89, 0.4);
    background: rgba(10, 10, 15, 0.5);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload-zone:hover {
    border-color: var(--primary);
    background: rgba(209, 4, 89, 0.08);
}

.file-upload-icon {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 8px;
}

.preview-container {
    margin-top: 15px;
    display: none;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.preview-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--primary);
}

/* Camera UI Rettangolare ID-Card (85.6mm x 54mm - Ratio 1.58:1) */
.camera-container {
    background: #050508;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    margin-bottom: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(0,0,0,0.9);
}

.camera-video {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
}

/* Mirino Rettangolare Documenti (ID-Card Aspect Ratio 1.58) */
.camera-overlay-guide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 82%;
    max-width: 460px;
    aspect-ratio: 1.58 / 1;
    border: 2px dashed rgba(209, 4, 89, 0.8);
    border-radius: 12px;
    pointer-events: none;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.65), 0 0 20px rgba(209, 4, 89, 0.4);
    transition: var(--transition);
}

/* Angoli Laser d'inquadratura */
.camera-overlay-guide::before,
.camera-overlay-guide::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: #ffffff;
    border-style: solid;
    pointer-events: none;
}

.camera-overlay-guide::before {
    top: -2px;
    left: -2px;
    border-width: 3px 0 0 3px;
    border-top-left-radius: 10px;
}

.camera-overlay-guide::after {
    bottom: -2px;
    right: -2px;
    border-width: 0 3px 3px 0;
    border-bottom-right-radius: 10px;
}

.camera-overlay-text {
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: rgba(8, 8, 12, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(209, 4, 89, 0.5);
    padding: 8px 20px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

.camera-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 20px;
}

.camera-photos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.photo-card {
    background: rgba(12, 12, 18, 0.9);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

.photo-card-header {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Anteprima Rettangolare proporzionata (85.6mm x 54mm - ID Card) */
.photo-preview-img {
    width: 100%;
    aspect-ratio: 1.58 / 1;
    object-fit: cover;
    border-radius: 8px;
    background: #050508;
    border: 1px solid rgba(209, 4, 89, 0.4);
    box-shadow: 0 4px 12px rgba(0,0,0,0.6);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #D10459 0%, #a80044 100%);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e50965 0%, #bf004e 100%);
    box-shadow: 0 6px 20px rgba(209, 4, 89, 0.6);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
}

.btn-submit-large {
    width: 100%;
    padding: 16px 32px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-top: 20px;
    text-transform: uppercase;
}

/* Badges & Status */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap !important;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.4);
}

/* Confirmation Card */
.confirmation-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 45px 36px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(209, 4, 89, 0.2);
    border: 2px solid var(--primary);
    color: var(--primary);
    font-size: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 0 25px var(--primary-glow);
}

.ref-code-box {
    background: rgba(10, 10, 15, 0.8);
    border: 1px dashed var(--primary);
    padding: 16px;
    border-radius: var(--radius-md);
    margin: 20px 0;
}

.ref-code-value {
    font-family: monospace;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary);
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 13px;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer a:hover {
    color: var(--primary);
}

/* ==========================================================================
   RESPONSIVE MOBILE OPTIMIZATION (<768px & <480px)
   ========================================================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }

    .header-brand {
        padding: 25px 0 15px;
    }

    .page-title {
        font-size: 24px;
    }

    .page-subtitle {
        font-size: 13.5px;
    }

    .brand-logo-img {
        max-height: 65px;
    }

    .form-card {
        padding: 20px 16px;
        border-radius: var(--radius-md);
        margin-top: 10px;
    }

    .disclaimer-box {
        padding: 12px 14px;
        margin-bottom: 20px;
        gap: 10px;
    }

    .disclaimer-box p {
        font-size: 12.5px;
    }

    .doc-options-tabs {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .doc-tab-btn {
        padding: 12px 8px;
    }

    .doc-tab-btn .tab-title {
        font-size: 13px;
    }

    .doc-tab-btn .tab-desc {
        font-size: 11px;
    }

    .file-upload-zone {
        padding: 20px 12px;
    }

    .file-upload-zone h4 {
        font-size: 14px;
    }

    /* Camera Viewport & Overlay Mobile */
    .camera-video {
        height: 280px;
    }

    .camera-overlay-guide {
        width: 90%;
    }

    .camera-overlay-text {
        font-size: 11px;
        padding: 6px 12px;
        width: 90%;
        max-width: 90%;
        white-space: normal;
        text-align: center;
        box-sizing: border-box;
    }

    .camera-actions {
        flex-wrap: wrap;
        gap: 8px;
    }

    .camera-actions .btn {
        flex: 1 1 45%;
        padding: 10px 12px;
        font-size: 13px;
    }

    .camera-photos-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .preview-container {
        flex-direction: column;
        align-items: flex-start;
        word-break: break-word;
    }

    .preview-container div {
        width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }

    .confirmation-card {
        padding: 30px 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }

    .form-card {
        padding: 16px 12px;
    }

    .section-title {
        font-size: 16px;
    }

    .doc-options-tabs {
        grid-template-columns: 1fr;
    }

    .step-progress-bar {
        flex-direction: column;
        gap: 6px !important;
    }

    .step-pill {
        font-size: 12px !important;
        padding: 8px !important;
    }

    .camera-overlay-text {
        font-size: 10.5px;
        padding: 5px 10px;
    }

    .btn-submit-large {
        padding: 14px 20px;
        font-size: 15px;
    }
}