/* ==========================================================================
   SELLER APPLICATION - New Vendor Application
   The Original Lab - Modern Design
   ========================================================================== */

/* Root Variables (heredadas del sistema) */
:root {
    --primary: #1a1a2e;
    --primary-light: #2d2d44;
    --accent: #130c9d;
    --accent-light: #060aed;
    --accent-dark: #1c0dc7;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border: #e5e7eb;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

/* ==========================================================================
   SELLER APPLICATION CONTAINER
   ========================================================================== */

.seller_application_container {
    min-height: 100vh;
    background: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

/* ==========================================================================
   HEADER / HERO BANNER
   ========================================================================== */

.seller_application_header {
    background: linear-gradient(135deg, #021469 0%, #130523 100%);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-2xl);
}

.seller_application_header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><path d="M0 0L50 50M50 0L100 50M0 50L50 100M50 50L100 100" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></svg>');
    opacity: 0.3;
}

.seller_application_banner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.seller_application_banner_content {
    text-align: center;
    color: white;
}

.seller_application_icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    margin: 0 auto var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.seller_application_icon svg {
    width: 48px;
    height: 48px;
    stroke-width: 2;
}

.seller_application_title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .seller_application_title {
        font-size: 3.5rem;
    }
}

.seller_application_subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================================================
   PROGRESS STEPS
   ========================================================================== */

.seller_application_steps {
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}

.seller_application_steps_container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
}

.seller_application_steps_line {
    position: absolute;
    top: 50%;
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.seller_application_steps_line_progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--accent);
    transition: width var(--transition-slow);
}

.seller_application_step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.seller_application_step_number {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: white;
    border: 3px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    margin-bottom: var(--spacing-sm);
}

.seller_application_step.active .seller_application_step_number {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    box-shadow: 0 0 0 4px rgba(19, 12, 157, 0.1);
}

.seller_application_step.completed .seller_application_step_number {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.seller_application_step_label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.seller_application_step.active .seller_application_step_label {
    color: var(--accent);
}

.seller_application_step.completed .seller_application_step_label {
    color: var(--success);
}

/* ==========================================================================
   FORM CARD
   ========================================================================== */

.seller_application_form {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.seller_application_card {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    overflow: hidden;
}

.seller_application_card_header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.seller_application_card_title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.seller_application_card_subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.seller_application_card_body {
    padding: var(--spacing-xl);
}

/* ==========================================================================
   VENDOR INFO (from referral)
   ========================================================================== */

.seller_application_vendor_info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(19, 12, 157, 0.1) 0%, rgba(6, 10, 237, 0.1) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(19, 12, 157, 0.2);
}

.seller_application_vendor_avatar {
    flex-shrink: 0;
}

.seller_application_vendor_avatar img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
}

.seller_application_vendor_details {
    flex-grow: 1;
}

.seller_application_vendor_label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.seller_application_vendor_name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.seller_application_vendor_badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--accent);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.seller_application_vendor_badge svg {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

/* ==========================================================================
   FORM SECTIONS
   ========================================================================== */

.seller_application_form_section {
    margin-bottom: var(--spacing-2xl);
}

.seller_application_form_section:last-child {
    margin-bottom: 0;
}

.seller_application_section_title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.seller_application_section_title svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    color: var(--accent);
}

.seller_application_section_description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.seller_application_form_row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .seller_application_form_row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.seller_application_form_group {
    margin-bottom: var(--spacing-md);
}

.seller_application_form_group.full-width {
    grid-column: 1 / -1;
}

.seller_application_label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.seller_application_label.required::after {
    content: '*';
    color: var(--error);
    margin-left: var(--spacing-xs);
}

.seller_application_label svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    color: var(--text-secondary);
}

.seller_application_input,
.seller_application_textarea,
.seller_application_select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    background: white;
}

.seller_application_input:focus,
.seller_application_textarea:focus,
.seller_application_select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(19, 12, 157, 0.1);
}

.seller_application_textarea {
    resize: vertical;
    min-height: 120px;
}

.seller_application_input_hint {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

/* ==========================================================================
   PRODUCT SELECTION
   ========================================================================== */

.seller_application_products_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.seller_application_product_count {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.seller_application_product_count_number {
    font-size: 1.25rem;
    font-weight: 800;
}

.seller_application_search_wrapper {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.seller_application_search_wrapper svg {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    stroke-width: 2;
}

.seller_application_search {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) calc(var(--spacing-md) * 3);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.seller_application_search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(19, 12, 157, 0.1);
}

.seller_application_products_grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-height: 500px;
    overflow-y: auto;
    padding: var(--spacing-xs);
}

@media (min-width: 640px) {
    .seller_application_products_grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.seller_application_product_item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.seller_application_product_item:hover {
    border-color: var(--accent-light);
    box-shadow: var(--shadow-sm);
}

.seller_application_product_item.selected {
    border-color: var(--accent);
    background: rgba(19, 12, 157, 0.05);
    box-shadow: 0 0 0 3px rgba(19, 12, 157, 0.1);
}

.seller_application_product_checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    flex-shrink: 0;
}

.seller_application_product_image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

.seller_application_product_info {
    flex-grow: 1;
    min-width: 0;
}

.seller_application_product_name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.seller_application_product_price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
}

/* ==========================================================================
   TERMS & CONDITIONS
   ========================================================================== */

.seller_application_terms {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
}

.seller_application_checkbox_label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.seller_application_checkbox_label input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.seller_application_checkbox_label span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.seller_application_link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
}

.seller_application_link:hover {
    color: var(--accent-dark);
}

/* ==========================================================================
   FORM ACTIONS
   ========================================================================== */

.seller_application_actions {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border);
    margin-top: var(--spacing-xl);
}

@media (max-width: 640px) {
    .seller_application_actions {
        flex-direction: column;
    }
}

.seller_application_btn {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.seller_application_btn svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.seller_application_btn_back {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}

.seller_application_btn_back:hover {
    background: var(--bg-secondary);
    border-color: var(--text-secondary);
}

.seller_application_btn_next {
    background: var(--accent);
    color: white;
}

.seller_application_btn_next:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.seller_application_btn_submit {
    background: var(--success);
    color: white;
}

.seller_application_btn_submit:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.seller_application_btn:disabled {
    background: var(--bg-tertiary);
    color: var(--text-light);
    border-color: var(--border);
    cursor: not-allowed;
    transform: none;
}

/* ==========================================================================
   SUCCESS MODAL
   ========================================================================== */

.seller_application_modal_overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.seller_application_modal {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    text-align: center;
    animation: modalSlideUp 0.3s ease-out;
}

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

.seller_application_modal_success_icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.seller_application_modal_success_icon svg {
    width: 60px;
    height: 60px;
    stroke-width: 2;
}

.seller_application_modal_title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.seller_application_modal_text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   ALERT MESSAGES
   ========================================================================== */

.seller_application_alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.seller_application_alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 2;
}

.seller_application_alert_info {
    background: rgba(6, 10, 237, 0.1);
    color: var(--accent);
    border: 1px solid rgba(6, 10, 237, 0.2);
}

.seller_application_alert_success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.seller_application_alert_warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.seller_application_alert_error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 767px) {
    .seller_application_title {
        font-size: 2rem;
    }
    
    .seller_application_steps_container {
        padding: var(--spacing-md);
    }
    
    .seller_application_step_label {
        font-size: 0.75rem;
    }
    
    .seller_application_step_number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .seller_application_vendor_info {
        flex-direction: column;
        text-align: center;
    }
    
    .seller_application_card_body {
        padding: var(--spacing-md);
    }
}