:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --new-card-bg: #36204a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    --border: #334155;
    --modal-bg: rgba(0, 0, 0, 0.7);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

/* Navbar */
nav {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.nav-links button.active,
.nav-links button:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Sections */
.tab-content {
    display: none;
    animation: fadeIn 0.3s;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Forms */
.card {
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card.new {
    background: var(--new-card-bg);
}

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

.form-group {
    margin-bottom: 0rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.5rem;
    background: #0f172a;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: white;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #334155;
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-info {
    background-color: #0ea5e9;
    color: white;
}

.btn-info:hover {
    background-color: #0284c7;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-input {
    flex: 1;
    min-width: 200px;
}

/* Data Grid (Table/Cards) */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.data-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.data-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.card-title {
    font-weight: 600;
    color: var(--accent);
    font-family: monospace;
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-New,
.status-new {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.status-Fixed,
.status-fixed {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.status-Closed,
.status-closed {
    background: rgba(100, 116, 139, 0.2);
    color: #94a3b8;
}

.card-body p {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-secondary);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.8rem;
    color: #64748b;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-bg);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.2s;
}

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

/* Loading */
#globalLoading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--accent);
    height: 3px;
    z-index: 200;
    display: none;
}

#globalLoading.loading {
    display: block;
    animation: loadingBar 2s infinite linear;
}

@keyframes loadingBar {
    0% {
        width: 0;
        left: 0;
    }

    50% {
        width: 50%;
        left: 25%;
    }

    100% {
        width: 100%;
        left: 100%;
    }
}

/* Recent History Table */
.recent-list {
    margin-top: 2rem;
}

.simple-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.simple-table th {
    text-align: left;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.simple-table td {
    padding: 0.3rem 0.3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.simple-table tr:last-child td {
    border: none;
}