:root {
    /* Color Palette */
    --bg-main: #090d16;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    --bg-sidebar: #0f1624;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --color-primary: #6366f1; /* Indigo */
    --color-primary-hover: #4f46e5;
    --color-accent: #a855f7; /* Purple */
    --color-success: #10b981; /* Green */
    --color-warning: #f59e0b; /* Amber */
    --color-danger: #ef4444; /* Red */
    --color-info: #0ea5e9; /* Sky Blue */

    --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, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables overrides if needed */
[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-sidebar: #ffffff;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --color-primary: #4f46e5;
    --color-primary-hover: #3730a3;
    
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

/* Global Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--color-accent);
}

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

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width var(--transition-normal), background-color var(--transition-normal);
    z-index: 100;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.logo-text span {
    color: var(--color-primary);
}

.sidebar-menu {
    list-style: none;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: all var(--transition-fast);
}

.menu-item a svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.menu-item a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.menu-item a:hover svg {
    transform: scale(1.05);
}

.menu-item.active a {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
}

.user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents flex children from stretching */
    position: relative;
}

/* Top Navigation Bar */
.topbar {
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background-color: rgba(9, 13, 22, 0.5);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-grow: 1;
    max-width: 450px;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box input {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 16px 10px 44px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.action-btn svg {
    width: 22px;
    height: 22px;
}

.badge-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

/* Page Wrapper */
.page-wrapper {
    padding: 32px;
    overflow-y: auto;
    flex-grow: 1;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 4px;
}

/* Dashboard Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.metric-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.metric-card:hover::before {
    opacity: 1;
}

.metric-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-icon-box {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-footer {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Dashboard Sections Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Card Panel Layout */
.panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-size: 18px;
    font-weight: 600;
}

/* Tables design */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.table-custom {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table-custom th {
    padding: 12px 16px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.table-custom td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-primary);
}

.table-custom tbody tr {
    transition: background-color var(--transition-fast);
}

.table-custom tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Badges styling */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.badge-warning { background-color: rgba(245, 158, 11, 0.15); color: var(--color-warning); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--color-danger); }
.badge-info { background-color: rgba(14, 165, 233, 0.15); color: var(--color-info); }
.badge-primary { background-color: rgba(99, 102, 241, 0.15); color: var(--color-primary); }

/* Funnel Widget */
.funnel-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.funnel-stage {
    display: flex;
    align-items: center;
    gap: 12px;
}

.funnel-stage-name {
    width: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.funnel-stage-bar-wrapper {
    flex-grow: 1;
    background-color: rgba(255, 255, 255, 0.05);
    height: 24px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.funnel-stage-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-sm);
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.funnel-stage-val {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    font-weight: 600;
    color: #ffffff;
    z-index: 5;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control, select, textarea {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

select option {
    background-color: #0f1624; /* Fondo oscuro sólido */
    color: #f3f4f6; /* Texto claro legible */
}

[data-theme="light"] select option {
    background-color: #ffffff;
    color: #0f172a;
}

.form-control:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* Login Card Styling */
.login-container {
    width: 100%;
    max-width: 440px;
    padding: 20px;
    z-index: 10;
}

.login-card {
    background-color: rgba(15, 23, 42, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.login-header {
    text-align: center;
}

.login-header .logo-box {
    justify-content: center;
    margin-bottom: 16px;
}

.login-header h2 {
    font-size: 22px;
    font-weight: 700;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 6px;
}

.input-icon-group {
    position: relative;
    width: 100%;
}

.input-icon-group input {
    width: 100%;
    padding-left: 44px;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    pointer-events: none;
}

.password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.password-toggle svg {
    width: 18px;
    height: 18px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.checkbox-container input {
    cursor: pointer;
}

.forgot-link {
    color: var(--color-primary);
    font-weight: 500;
}

.login-footer {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

.demo-credentials {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px;
    margin-top: 15px;
    text-align: left;
    line-height: 1.5;
}

.demo-credentials code {
    color: var(--color-accent);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-dialog {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

.modal-content {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Error feedback formatting */
.error-feedback {
    color: var(--color-danger);
    font-size: 12px;
    margin-top: 4px;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 15px;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #fca5a5;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #a7f3d0;
}

/* Configuration Nav Tabs */
.config-layout {
    display: flex;
    gap: 32px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.config-sidebar {
    width: 200px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-shrink: 0;
}

.config-tab-btn {
    background: none;
    border: none;
    padding: 10px 16px;
    text-align: left;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.config-tab-btn:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.config-tab-btn.active {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    font-weight: 600;
}

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

.config-section {
    display: none;
}

.config-section.active {
    display: block;
}

.config-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* Empty states */
.empty-state {
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}