/* ============================================
   RESET Y VARIABLES CSS
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --accent-color: #27ae60;
    --secondary-color: #34495e;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --border-color: #e1e8ed;
    --error-color: #e74c3c;
    --error-light: #fef2f2;
    --success-color: #16a34a;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* ============================================
   BASE TYPOGRAPHY
   ============================================ */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-medium);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
}

.logo-accent {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: -0.5px;
}

.beta-badge {
    background: var(--accent-color);
    color: var(--white);
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   MAIN CONTAINER
   ============================================ */
.main-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 20px;
}

/* ============================================
   PROGRESS STEPS
   ============================================ */
.progress-container {
    margin-bottom: 40px;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin: 0 50px;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-light);
    transition: var(--transition);
    margin-bottom: 8px;
}

.step-label {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    max-width: 100px;
    line-height: 1.3;
}

.step.active .step-circle {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
}

.step.active .step-label {
    color: var(--text-dark);
    font-weight: 600;
}

.step.completed .step-circle {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
}

.step.completed .step-label {
    color: var(--accent-color);
    font-weight: 500;
}

/* ============================================
   WIZARD CARD
   ============================================ */
.wizard-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.step-content {
    padding: 40px;
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.step-content.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.step-subtitle {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 16px;
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

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

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

.form-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-label::after {
    content: " *";
    color: var(--error-color);
}

.form-label-optional {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-dark);
    transition: var(--transition);
    background: var(--white);
    width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

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

.form-input.error,
.form-select.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

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

/* Error messages */
.error-msg {
    color: var(--error-color);
    font-size: 0.8rem;
    margin-top: 4px;
    min-height: 1em;
}

/* ============================================
   RADIO Y CHECKBOX GROUPS
   ============================================ */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.radio-item:hover {
    border-color: var(--accent-color);
    background: rgba(39, 174, 96, 0.05);
}

.radio-item input[type="radio"] {
    margin: 0;
    accent-color: var(--accent-color);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 8px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    user-select: none;
}

.checkbox-item:hover {
    border-color: var(--accent-color);
    background: rgba(39, 174, 96, 0.05);
}

.checkbox-item input[type="checkbox"] {
    margin-right: 8px;
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-label {
    color: var(--accent-color);
    font-weight: 500;
}

.checkbox-item:has(input:checked) {
    border-color: var(--accent-color);
    background: rgba(39, 174, 96, 0.05);
}

.checkbox-label {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.3;
}

/* ============================================
   PRODUCTOS TABLE
   ============================================ */
.productos-container {
    margin: 20px 0;
}

.productos-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
}

.productos-table th {
    background: var(--light-bg);
    padding: 12px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

.productos-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.productos-table tbody tr:last-child td {
    border-bottom: none;
}

.productos-table tbody tr:hover {
    background: rgba(39, 174, 96, 0.02);
}

.btn-remove {
    background: #fee2e2;
    color: var(--error-color);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 12px;
}

.btn-remove:hover {
    background: var(--error-color);
    color: var(--white);
}

.btn-add {
    background: var(--white);
    color: var(--accent-color);
    border: 1px dashed var(--accent-color);
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: center;
}

.btn-add:hover {
    background: var(--accent-color);
    color: var(--white);
    border-style: solid;
}

/* ============================================
   MEDIDAS
   ============================================ */
.medidas-container {
    margin: 16px 0;
}

.medida-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 8px 0;
    flex-wrap: wrap;
}

.medida-row label {
    font-weight: 600;
    min-width: 100px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.medida-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
}

.medida-inputs input {
    width: 80px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
}

.medida-inputs span {
    color: var(--text-light);
    font-weight: 500;
}

/* ============================================
   COUNTER
   ============================================ */
.counter {
    background: #fef3cd;
    border: 1px solid #ffc107;
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    margin: 16px 0;
    border-radius: 8px;
    color: #856404;
}

.counter.success {
    background: #d4edda;
    border-color: var(--success-color);
    color: var(--success-color);
}

/* ============================================
   SUMMARY / RESUMEN
   ============================================ */
.summary-container {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 30px;
}

.resumen-box {
    background: var(--primary-color);
    color: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    font-family: inherit;
}

.resumen-section {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.resumen-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.resumen-section h4 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #bdc3c7;
    margin-bottom: 8px;
}

.resumen-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 14px;
}

.resumen-line.total {
    border-top: 2px solid rgba(255, 255, 255, 0.3);
    margin-top: 12px;
    padding-top: 12px;
    font-size: 18px;
    font-weight: 700;
}

/* ============================================
   STEP ACTIONS (BOTONES DE NAVEGACIÓN)
   ============================================ */
.step-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.btn-primary,
.btn-secondary {
    padding: 14px 28px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 140px;
    justify-content: center;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    margin-left: auto;
    box-shadow: 0 2px 8px rgba(39, 174, 96, 0.25);
}

.btn-primary:hover {
    background: #229954;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(39, 174, 96, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: #a8d5b8;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--light-bg);
    border-color: var(--text-light);
    transform: translateY(-1px);
}

/* Botones generales (compatibilidad con código anterior) */
.btn {
    padding: 12px 20px;
    border: none;
    font-family: inherit;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-danger {
    background: var(--error-color);
    color: var(--white);
}

.btn-danger:hover {
    background: #c0392b;
}

/* ============================================
   LOADING OVERLAY
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-overlay.show {
    display: flex;
}

.loading-content {
    text-align: center;
}

.loading-content p {
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 500;
    margin-top: 16px;
}

/* Loading spinner mejorado */
.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   ALERTAS TOAST
   ============================================ */
.toast-alert {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    padding: 14px 18px;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    transform: translateX(120%);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-width: 380px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-alert.show {
    transform: translateX(0);
}

.toast-alert.success {
    background: var(--success-color);
}

.toast-alert.error {
    background: var(--error-color);
}

/* Alertas en línea */
.alert {
    padding: 12px 16px;
    margin: 16px 0;
    font-size: 14px;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert.error {
    background: var(--error-light);
    border-color: var(--error-color);
    color: var(--error-color);
}

.alert.success {
    background: #dcfce7;
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert h3 {
    margin-bottom: 8px;
    font-size: 16px;
}

/* ============================================
   RESPONSIVE - TABLET (max 768px)
   ============================================ */
@media (max-width: 768px) {
    .main-container {
        padding: 20px 16px;
    }

    .step-content {
        padding: 24px 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .progress-steps {
        margin: 0 10px;
        gap: 0;
        justify-content: space-between;
    }

    .step-circle {
        width: 36px;
        height: 36px;
        font-size: 12px;
    }

    .step-label {
        font-size: 10px;
        max-width: 70px;
    }

    .checkbox-grid {
        grid-template-columns: 1fr 1fr;
    }

    .step-actions {
        flex-direction: column-reverse;
        gap: 12px;
    }

    .btn-primary {
        margin-left: 0;
        width: 100%;
    }

    .btn-secondary {
        width: 100%;
    }

    .step-title {
        font-size: 20px;
    }

    .productos-table {
        font-size: 12px;
    }

    .productos-table th,
    .productos-table td {
        padding: 8px;
    }

    .medida-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .medida-inputs {
        flex-wrap: wrap;
    }
}

/* ============================================
   RESPONSIVE - MOBILE (max 480px)
   ============================================ */
@media (max-width: 480px) {
    .header {
        padding: 14px 0;
    }

    .logo-text,
    .logo-accent {
        font-size: 20px;
    }

    .wizard-card {
        border-radius: 8px;
        margin: 0 -8px;
    }

    .step-content {
        padding: 20px 16px;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .step-title {
        font-size: 18px;
    }

    .step-subtitle {
        font-size: 14px;
    }

    .medida-inputs {
        flex-direction: column;
        gap: 4px;
    }

    .medida-inputs input {
        width: 100%;
    }

    .progress-steps {
        overflow-x: auto;
        justify-content: flex-start;
        gap: 40px;
        padding: 0 10px;
    }

    /* Tabla responsive en móvil */
    .productos-table {
        font-size: 11px;
    }

    .productos-table th,
    .productos-table td {
        padding: 6px 4px;
    }
}

/* ============================================
   ESTILOS PARA IMPRESIÓN DEL PDF
   ============================================ */
@media print {
    body {
        font-size: 12px;
        background: white;
    }
    
    .no-print {
        display: none;
    }
    
    .wizard-card {
        box-shadow: none;
        border: 1px solid #000;
    }

    .header,
    .progress-container,
    .step-actions {
        display: none;
    }

    .step-content {
        padding: 20px;
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
    }
}
/* Estilos específicos para el PDF */
.pdf-section {
    margin: 16px 0;
    page-break-inside: avoid;
}

.pdf-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #555;
    border-bottom: 2px solid #27ae60;
    padding-bottom: 6px;
    margin-bottom: 10px;
}

.pdf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.pdf-table th {
    background: #2c3e50;
    color: white;
    padding: 8px 10px;
    text-align: left;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.pdf-table td {
    padding: 7px 10px;
    border-bottom: 1px solid #e1e8ed;
    color: #2c3e50;
}

.pdf-table tbody tr:nth-child(even) {
    background: #f8fafc;
}