/* LMIH AI Team Collaboration - Dark Mode CSS */

/* CSS Variables */
:root {
    --bg-primary: #0f1115;
    --bg-secondary: #1a1d24;
    --bg-tertiary: #242830;
    --accent: #5b8cff;
    --accent-hover: #4a7ae6;
    --text-primary: #e6e6e6;
    --text-secondary: #9aa0aa;
    --border: #2d3139;
    --success: #4ade80;
    --danger: #f87171;
    --warning: #fbbf24;
    --info: #60a5fa;
    --spacing: 1rem;
}

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

/* Body */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Layout */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: var(--spacing);
    overflow-y: auto;
    z-index: 1000;
}

.main-content {
    margin-left: 260px;
    min-height: 100vh;
    background-color: var(--bg-primary);
    padding-top: 2rem;
    padding-bottom: 2rem;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem var(--spacing);
    margin-bottom: var(--spacing);
}

.header h1 {
    margin: 0;
    font-size: 1.75rem;
}

/* Navigation */
.nav-list {
    list-style: none;
    margin-bottom: 2rem;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--accent);
}

.nav-link.active {
    background-color: var(--accent);
    color: white;
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: var(--spacing);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(91, 140, 255, 0.1);
}

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.card-title {
    margin: 0;
    font-size: 1.25rem;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(91, 140, 255, 0.3);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--border);
}

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

.btn-danger:hover {
    background-color: #f05252;
}

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

.btn-success:hover {
    background-color: #22c55e;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background-color: var(--bg-tertiary);
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--spacing);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
}

.modal-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    margin: 0;
    font-size: 1.5rem;
}

.modal-close {
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
}

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

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: var(--spacing);
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(74, 222, 128, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background-color: rgba(248, 113, 113, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background-color: rgba(251, 191, 36, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background-color: rgba(96, 165, 250, 0.1);
    border-color: var(--info);
    color: var(--info);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    background-color: var(--border);
    color: var(--text-primary);
}

.badge-primary {
    background-color: rgba(91, 140, 255, 0.2);
    color: var(--accent);
}

.badge-success {
    background-color: rgba(74, 222, 128, 0.2);
    color: var(--success);
}

.badge-danger {
    background-color: rgba(248, 113, 113, 0.2);
    color: var(--danger);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 0;
        display: none;
    }

    .main-content {
        margin-left: 0;
    }

    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        max-width: 100%;
    }
}

/* Utility Classes */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.pa-1 { padding: 0.5rem; }
.pa-2 { padding: 1rem; }
.pa-3 { padding: 1.5rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.text-muted { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.flex {
    display: flex;
    align-items: center;
}

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

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

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-in {
    animation: slideIn 0.3s ease;
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Checkbox and Radio custom styling */
input[type="checkbox"],
input[type="radio"] {
    margin-right: 0.5rem;
    cursor: pointer;
}

/* File input */
input[type="file"] {
    padding: 0.5rem 0;
}

/* Link buttons */
.link-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0;
    font-size: inherit;
    text-decoration: underline;
}

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