/* ============================================
   SYSTEM SPACE - APP LAYOUT STYLES
   Layout and page-specific styles
   ============================================ */

/* App Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

.page-content {
    flex: 1;
    padding: var(--space-6);
    overflow-y: auto;
}

/* Page Visibility */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.dashboard-section {
    margin-bottom: var(--space-8);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

.alerts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.alert-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.alert-section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Finanzas Layout */
.tab-container {
    margin-bottom: var(--space-6);
}

.tabs {
    display: flex;
    gap: var(--space-2);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--space-6);
}

.tab {
    padding: var(--space-3) var(--space-6);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    top: 2px;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

.two-column-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

/* Form Layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.form-grid .form-group.full-width {
    grid-column: span 2;
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
}

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
}

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.summary-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-5);
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--transition-base);
}

.product-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-code {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.product-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.product-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.product-detail-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}

.product-detail-label {
    color: var(--text-secondary);
}

.product-detail-value {
    font-weight: 600;
}

.product-margin {
    padding: var(--space-3);
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: var(--space-4);
}

.product-margin-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.product-margin-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-success);
}

.product-actions {
    display: flex;
    gap: var(--space-2);
}

.product-actions .btn {
    flex: 1;
}

/* Inventory Table */
.inventory-row.low-stock {
    background: rgba(239, 68, 68, 0.05);
}

.inventory-row.low-stock td {
    border-left: 3px solid var(--color-danger);
}

.stock-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.stock-bar {
    width: 100px;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.stock-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success), var(--color-accent));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.stock-bar-fill.low {
    background: linear-gradient(90deg, var(--color-danger), var(--color-warning));
}

/* Facturas Upload Area */
.upload-area {
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-12);
    text-align: center;
    background: var(--bg-card);
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: var(--bg-hover);
}

.upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(79, 70, 229, 0.1);
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    color: var(--text-muted);
}

.upload-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.upload-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
}

.upload-input {
    display: none;
}

.extracted-data {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-top: var(--space-6);
}

.extracted-data-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Report Filters */
.report-filters {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.filter-row {
    display: flex;
    gap: var(--space-4);
    align-items: flex-end;
}

.filter-group {
    flex: 1;
}

/* Settings Section */
.settings-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.settings-header {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.profile-photo-upload {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.profile-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border-light);
}

.photo-upload-btn {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

/* Stats Overview */
.stats-row {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-item {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }

    .dashboard-grid,
    .two-column-grid,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }

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

    .page-content {
        padding: var(--space-4);
    }

    .stats-row {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .app-header {
        padding: 0 var(--space-4);
    }

    .header-left h2 {
        font-size: var(--font-size-xl);
    }

    .user-menu span {
        display: none;
    }
}

/* Animation for refresh icon */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ==========================================================================
   AI Chat Widget Styles
   ========================================================================== */

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(184, 147, 74, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(184, 147, 74, 0); }
    100% { box-shadow: 0 0 0 0 rgba(184, 147, 74, 0); }
}

@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

@keyframes status-pulse {
    0% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.5; }
}

.ai-chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: none;
}

.ai-toggle-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
}

.ai-toggle-btn.pulse {
    animation: pulse-glow 2s infinite;
}

.ai-toggle-btn:hover {
    transform: scale(1.1);
}

.ai-toggle-btn.active {
    transform: scale(1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.ai-toggle-btn svg {
    transition: transform 0.3s ease;
}

.ai-toggle-btn.active svg {
    transform: rotate(90deg);
}

.ai-chat-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 380px;
    height: 550px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform-origin: bottom right;
}

.ai-chat-panel.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.ai-chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-status-dot {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    opacity: 0.9;
}

.ai-status-dot::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #4ade80;
    animation: status-pulse 2s infinite;
}

.ai-chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scroll-behavior: smooth;
}

.ai-chat-messages::-webkit-scrollbar {
    width: 6px;
}
.ai-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}
.ai-chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.ai-message {
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.ai-message strong {
    font-weight: 600;
}

.ai-message ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.ai-message li {
    margin-bottom: 0.25rem;
}

.ai-message.system {
    align-self: flex-start;
    background: var(--bg-hover);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.ai-message.user {
    align-self: flex-end;
    background: rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: white !important;
    border-bottom-right-radius: 4px;
}

.ai-typing {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem !important;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background-color: currentColor;
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

.ai-chat-chips {
    padding: 0 1rem 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ai-chip {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.ai-chip:hover {
    background: var(--border-color);
    transform: translateY(-1px);
}

.ai-chat-input-area {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
    background: var(--bg-primary);
}

#ai-chat-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    resize: none;
    max-height: 80px;
    min-height: 44px;
    line-height: 1.4;
}

#ai-chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

#ai-chat-send {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    appearance: none;
    -webkit-appearance: none;
    position: relative;
}

#ai-chat-send::after {
    content: '';
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='22' x2='11' y1='2' y2='13'/%3E%3Cpolygon points='22 2 15 22 11 13 2 9 22 2'/%3E%3C/svg%3E") no-repeat center center;
    background-size: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block !important;
    z-index: 10;
}

#ai-chat-send svg,
#ai-chat-send i {
    display: none !important;
}

#ai-chat-send:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

#ai-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

#ai-chat-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    appearance: none;
    -webkit-appearance: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
}

#ai-chat-close:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    transform: scale(1.05);
}

@media (max-width: 480px) {
    .ai-chat-widget {
        bottom: 1rem;
        right: 1rem;
    }
    
    .ai-chat-panel {
        position: fixed;
        bottom: 0;
        right: 0;
        width: 100vw;
        height: 100dvh;
        border-radius: 0;
        z-index: 1001;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ai-toggle-btn,
    .ai-chat-panel,
    .ai-chip,
    .typing-dots span {
        transition: none !important;
        animation: none !important;
    }
}