/* ============================================
   Registration Form Page Styles
   ============================================ */

/* Form Hero */
.form-hero {
    position: relative;
    padding: 160px 0 60px;
    text-align: center;
    overflow: hidden;
}

.form-hero-content {
    position: relative;
    z-index: 2;
}

.form-hero-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
}

.form-hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Form Section */
.form-section {
    padding: 40px 0 100px;
}

.registration-form {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Form Cards */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 36px;
    transition: border-color var(--transition-base);
}

.form-card:hover {
    border-color: var(--border-hover);
}

.form-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.form-card-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
}

.form-card-header h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
}

.form-card-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

/* Form Elements */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.required {
    color: #ef4444;
}

.form-optional {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.8rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-base);
    outline: none;
    box-sizing: border-box;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
    line-height: 1.4;
}

/* Checkbox Cards (Workshops) */
.checkbox-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.checkbox-card:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
}

.checkbox-card input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-card input:checked + .checkbox-content + .checkbox-check {
    opacity: 1;
    transform: scale(1);
}

.checkbox-card:has(input:checked) {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.08);
}

.checkbox-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.checkbox-date {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-secondary);
    background: rgba(139, 92, 246, 0.12);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.checkbox-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.checkbox-check {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

/* Interest Chips */
.interest-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.interest-chip {
    cursor: pointer;
    position: relative;
}

.interest-chip input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.interest-chip span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.interest-chip:hover span {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.interest-chip input:checked + span {
    background: rgba(99, 102, 241, 0.12);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--accent-primary);
}

/* Submit Area */
.form-submit-area {
    text-align: center;
    padding: 12px 0;
}

.form-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 48px !important;
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    white-space: nowrap;
}

.form-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-disclaimer {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.5;
    margin-top: 16px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Validation Error Styles */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error-msg {
    display: none;
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 6px;
    font-weight: 500;
    align-items: center;
    gap: 4px;
}

.form-group.has-error .form-error-msg {
    display: flex;
}

.interest-grid.has-error {
    border: 1px solid #ef4444;
    border-radius: var(--radius-md);
    padding: 12px;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.interest-error-msg {
    display: none;
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 8px;
    font-weight: 500;
}

.interest-error-msg.visible {
    display: block;
}

/* Success State */
.form-success {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 0;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: successPop 0.5s ease-out;
}

@keyframes successPop {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.form-success h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-success > p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 40px;
}

.success-next-steps {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-bottom: 32px;
    text-align: left;
}

.success-next-steps h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.success-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.success-step {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.success-step-num {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

/* Shake animation for validation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.shake {
    animation: shake 0.5s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .form-hero {
        padding: 130px 0 40px;
    }

    .form-hero-title {
        font-size: 2rem;
    }

    .form-card {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .checkbox-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .interest-chip span {
        font-size: 0.8rem;
        padding: 8px 14px;
    }
}

@media (max-width: 480px) {
    .form-hero-title {
        font-size: 1.7rem;
    }

    .form-hero-subtitle {
        font-size: 0.95rem;
    }

    .form-card {
        padding: 20px;
    }

    .form-card-header h2 {
        font-size: 1.2rem;
    }
}