:root {
    --bg-base: #f9fafb;
    --bg-surface: #ffffff;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --border-color: #e5e7eb;
    
    --mango-green: #2e7d32;
    --mango-green-light: #f1f8e9;
    --mango-orange: #e67e22;
    --mango-orange-light: #fef5ec;
    
    --primary: #111827;
    --primary-hover: #1f2937;
    --primary-text: #ffffff;
    
    --secondary-bg: #f3f4f6;
    --secondary-hover: #e5e7eb;
    --secondary-text: #374151;
    
    --success-bg: #ecfdf5;
    --success-text: #2e7d32;
    
    --warning-bg: #fffbeb;
    --warning-text: #d97706;
    
    --danger-bg: #fef2f2;
    --danger-text: #dc2626;

    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
}

/* Utils */
.view {
    display: none;
    min-height: 100vh;
}
.view.active {
    display: flex;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}
.btn-primary {
    background-color: var(--primary);
    color: var(--primary-text);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}
.btn-secondary {
    background-color: var(--secondary-bg);
    color: var(--secondary-text);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--secondary-hover);
}
.btn-text {
    background: transparent;
    color: var(--text-secondary);
}
.btn-text:hover {
    color: var(--text-primary);
}

/* Formularios */
.input-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}
.input-group label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}
.input-group input, .input-group select {
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    background-color: var(--bg-surface);
    color: var(--text-primary);
}
.input-group input:focus, .input-group select:focus {
    border-color: var(--mango-green);
    box-shadow: 0 0 0 3px var(--mango-green-light);
}
.error-msg {
    color: var(--danger-text);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    text-align: center;
}

/* Pantalla Login */
.login-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}
.login-box {
    background-color: var(--bg-surface);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--mango-orange);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    width: 100%;
    max-width: 400px;
}
.brand svg {
    color: var(--mango-orange);
}
.login-box .brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}
.login-box h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}
.login-box .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}
.login-box button {
    width: 100%;
    margin-top: 0.5rem;
}

/* Layout Principal (Sidebar + Content) */
#dashboard-view {
    flex-direction: row;
}
.sidebar {
    width: 250px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
}
.sidebar .brand {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}
.nav-links {
    list-style: none;
    flex-grow: 1;
}
.nav-links li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.nav-links li a:hover {
    background-color: var(--secondary-bg);
    color: var(--text-primary);
}
.nav-links li a.active {
    background-color: var(--mango-green-light);
    color: var(--mango-green);
    border-left-color: var(--mango-orange);
    font-weight: 600;
}
.nav-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.user-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.user-info span:first-child {
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
}
.badge-gray { background-color: var(--secondary-bg); color: var(--text-secondary); }
.badge-success { background-color: var(--success-bg); color: var(--success-text); }
.badge-warning { background-color: var(--warning-bg); color: var(--warning-text); }
.badge-danger { background-color: var(--danger-bg); color: var(--danger-text); }

/* Main Content */
.content {
    flex-grow: 1;
    padding: 2rem;
    overflow-y: auto;
}
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}
.topbar h2 {
    font-size: 1.25rem;
    font-weight: 600;
}
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

/* Tabla */
.table-container {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
table th, table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}
table th {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--bg-base);
}
table tbody tr:last-child td {
    border-bottom: none;
}
table tbody tr:hover {
    background-color: var(--bg-base);
}
select.estado-select {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    background: transparent;
    cursor: pointer;
    outline: none;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 24, 39, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 50;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.modal {
    background-color: var(--bg-surface);
    width: 100%;
    max-width: 580px;
    border-radius: var(--radius-lg);
    border-top: 3px solid var(--mango-green);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(10px);
    transition: transform 0.2s ease;
}
.modal-overlay.active .modal {
    transform: translateY(0);
}
.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}
.btn-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}
.modal-body {
    padding: 1.5rem;
}
.form-row {
    display: flex;
    gap: 1rem;
    min-width: 0;
}
.form-row .input-group {
    flex: 1;
    min-width: 0;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background-color: #f9fafb;
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}