/* ============================================
   LVWebStudio Admin Panel - Stylesheet
   ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --primary-dark: #0099cc;
    --primary-light: #33ddff;
    --secondary-color: #00ff88;
    --gradient-start: #00ff88;
    --gradient-end: #00d4ff;
    --bg-dark: #0a0e27;
    --bg-darker: #050815;
    --bg-card: #111827;
    --bg-sidebar: #0f1422;
    --success-color: #00ff88;
    --error-color: #ef4444;
    --text-dark: #1f2937;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    --text-gray: #d1d5db;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-white);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

/* ============================================
   Sidebar
   ============================================ */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: linear-gradient(180deg, var(--bg-sidebar) 0%, var(--bg-darker) 100%);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: var(--transition);
}

.logo-icon {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Courier New', monospace;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text span {
    background: linear-gradient(90deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.sidebar-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--text-white);
    transition: var(--transition);
    border-radius: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.nav-menu {
    list-style: none;
}

.nav-menu li {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
    opacity: 0;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-white);
    background-color: rgba(0, 212, 255, 0.1);
}

.nav-link.active::before {
    opacity: 1;
}

.nav-link svg {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
    border-radius: 8px;
    width: 100%;
}

.logout-btn:hover {
    color: var(--text-white);
    background-color: rgba(239, 68, 68, 0.1);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    transition: var(--transition);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    margin-left: 260px;
    min-height: 100vh;
    transition: var(--transition);
}

.top-header {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.8) 0%, rgba(10, 14, 39, 0.8) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-white);
    transition: var(--transition);
    border-radius: 2px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-white);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.user-menu:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-weight: 600;
    color: var(--text-white);
    font-size: 0.875rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-gray);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
}

.content-area {
    padding: 2rem;
}

/* ============================================
   Dashboard
   ============================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.8) 0%, rgba(10, 14, 39, 0.8) 100%);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
    border-color: rgba(0, 212, 255, 0.3);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    flex-shrink: 0;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.content-card {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.8) 0%, rgba(10, 14, 39, 0.8) 100%);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-link:hover {
    color: var(--gradient-start);
}

.card-body {
    padding: 1.5rem;
}

/* ============================================
   Tables
   ============================================ */

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background-color: rgba(0, 212, 255, 0.05);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: rgba(0, 212, 255, 0.05);
}

.table-project {
    display: flex;
    flex-direction: column;
}

.table-project strong {
    color: var(--text-white);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.table-project span {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background-color: rgba(0, 255, 136, 0.2);
    color: var(--secondary-color);
}

.badge-warning {
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--primary-color);
    background-color: rgba(0, 212, 255, 0.1);
}

/* ============================================
   Quick Actions
   ============================================ */

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition);
}

.action-btn:hover {
    transform: translateX(5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.2);
}

.action-btn svg {
    color: var(--primary-color);
}

/* ============================================
   Responsive Design
   ============================================ */

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

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.collapsed {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .top-header {
        padding: 1rem;
    }
    
    .page-title {
        font-size: 1.25rem;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .user-info {
        display: none;
    }
    
    .data-table {
        font-size: 0.875rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
}

/* ============================================
   Buttons & Forms
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--text-white);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-white);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.11);
    border-color: rgba(0, 212, 255, 0.4);
    color: var(--text-white);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-gray);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* ============================================
   Forms
   ============================================ */

.settings-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-white);
    font-weight: 500;
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    background-color: rgba(17, 24, 39, 0.8);
}

.form-control::placeholder {
    color: var(--text-gray);
}

.form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    transition: var(--transition);
    box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="number"]:focus,
.form-group input[type="url"]:focus,
.form-group input[type="date"]:focus,
.form-group input[type="datetime-local"]:focus,
.form-group input[type="time"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    background-color: rgba(17, 24, 39, 0.8);
}

.form-group input[type="text"]:hover,
.form-group input[type="email"]:hover,
.form-group input[type="password"]:hover,
.form-group input[type="tel"]:hover,
.form-group input[type="number"]:hover,
.form-group input[type="url"]:hover,
.form-group input[type="date"]:hover,
.form-group input[type="datetime-local"]:hover,
.form-group input[type="time"]:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background-color: rgba(17, 24, 39, 0.6);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-gray);
    opacity: 0.6;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-white);
    padding: 0.5rem;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator,
.form-group input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(1);
    opacity: 0.7;
    margin-left: 0.5rem;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator:hover,
.form-group input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.form-group input[type="number"] {
    -moz-appearance: textfield;
}

.form-group input[type="number"]::-webkit-outer-spin-button,
.form-group input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--primary-color);
    cursor: pointer;
    flex-shrink: 0;
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: rgba(17, 24, 39, 0.2);
}

.form-actions {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--success-color);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.badge-error {
    background-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: 1;
    }
}

/* Detail Grid & Cards */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
}

.detail-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-white);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
}

.card-header h3 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item.full-width {
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item strong {
    color: var(--text-white);
    font-weight: 600;
    min-width: 150px;
}

.detail-item span,
.detail-item p {
    color: var(--text-gray);
    text-align: right;
    flex: 1;
}

.detail-item.full-width p {
    text-align: left;
}

/* Projects List */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    transition: var(--transition);
}

.project-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-header h4 {
    color: var(--text-white);
    font-size: 1.2rem;
    margin: 0;
}

.project-item p {
    color: var(--text-gray);
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

.project-item small {
    color: var(--text-light);
    font-size: 0.85rem;
}

.project-actions {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.text-muted {
    color: var(--text-light);
    font-style: italic;
}

/* Tracking Styles */
.tracking-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tracking-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    transition: var(--transition);
}

.tracking-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

.tracking-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tracking-header strong {
    color: var(--text-white);
    text-transform: capitalize;
}

.tracking-user {
    color: var(--text-gray);
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

.tracking-date {
    color: var(--text-gray);
    font-size: 0.85rem;
}

.tracking-item p {
    color: var(--text-gray);
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.tracking-item small {
    color: var(--text-light);
    font-size: 0.8rem;
}

/* Mantenimiento recurrente — edición proyecto (client-projects) */
.maint-admin-card {
    background: rgba(17, 24, 39, 0.45);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.35rem 1.5rem 1.5rem;
    margin-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.maint-admin-card__title {
    margin: 0 0 1rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-white);
}

.maint-admin-card__check {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    cursor: pointer;
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.45;
    margin-bottom: 0.75rem;
}

.maint-admin-card__checkbox {
    margin-top: 0.2rem;
}

.maint-admin-card__hint {
    color: var(--text-muted, var(--text-light));
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0 0 0.85rem;
}

.maint-admin-card__hint--tight {
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.maint-billing-radios {
    margin-bottom: 0.5rem;
}

.maint-billing-radios__legend {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-white);
}

.maint-billing-radios__row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
}

.maint-billing-radios__label {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
    color: var(--text-gray);
    font-size: 0.875rem;
}

.maint-admin-card__grid {
    margin-top: 0.5rem;
}

.maint-schedule-row__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.maint-datetime-input {
    flex: 1 1 16rem;
    min-width: 12rem;
    max-width: 22rem;
    padding: 0.75rem 1rem;
    background-color: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    color-scheme: dark;
    transition: var(--transition);
    box-sizing: border-box;
}

.maint-datetime-input:hover {
    border-color: rgba(0, 212, 255, 0.3);
    background-color: rgba(17, 24, 39, 0.6);
}

.maint-datetime-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    background-color: rgba(17, 24, 39, 0.8);
}

.maint-datetime-input::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(1);
    opacity: 0.75;
}

.maint-datetime-input::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.maint-schedule-btn {
    flex: 0 0 auto;
    align-self: center;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .detail-item span {
        text-align: left;
    }

    .maint-schedule-row__controls {
        flex-direction: column;
        align-items: stretch;
    }

    .maint-datetime-input {
        max-width: none;
    }

    .maint-schedule-btn {
        align-self: flex-start;
    }
}