/* Linear-inspired dark theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-primary: #0d0d12;
    --bg-secondary: #16161e;
    --bg-tertiary: #1e1e2a;
    --bg-hover: #252532;
    --bg-active: #2d2d3d;
    --border-color: #2a2a3a;
    --border-light: #3a3a4a;
    --border-hover: #4a4a5a;
    --text-primary: #f5f5f7;
    --text-secondary: #9898a8;
    --text-muted: #6b6b7b;
    --accent: #e5e5e7;
    --accent-hover: #ffffff;
    --accent-light: rgba(255, 255, 255, 0.1);
    --success: #4ade80;
    --danger: #f87171;
    --warning: #fbbf24;
}

* {
    box-sizing: border-box;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
    font-weight: 500;
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 13px;
    transition: all 0.15s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent) !important;
    color: var(--bg-primary) !important;
    border: none !important;
}

.btn-primary:hover {
    background-color: var(--accent-hover) !important;
    color: var(--bg-primary) !important;
}

.btn-primary:disabled {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-muted) !important;
    opacity: 0.7;
}

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

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

.btn-danger {
    background-color: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

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

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

.btn-success:hover {
    opacity: 0.9;
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline-primary:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Form controls */
.form-control, .form-select {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 13px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
    outline: none;
}

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

.form-control-sm, .form-select-sm {
    padding: 6px 10px;
    font-size: 12px;
}

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

/* Tables - Override Bootstrap */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background-color: var(--bg-secondary) !important;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    --bs-table-bg: var(--bg-secondary);
    --bs-table-color: var(--text-primary);
    --bs-table-striped-bg: var(--bg-secondary);
    --bs-table-hover-bg: var(--bg-hover);
}

.table thead th {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color) !important;
    text-align: left;
}

.table tbody tr {
    transition: background-color 0.15s ease;
    background-color: var(--bg-secondary) !important;
}

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

.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    font-size: 13px;
    background-color: transparent !important;
}

.table tbody tr:last-child td {
    border-bottom: none !important;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--bg-secondary) !important;
}

.table-striped tbody tr:nth-of-type(even) {
    background-color: var(--bg-secondary) !important;
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.card-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    color: var(--text-primary);
}

.card-header h5 {
    margin: 0;
    font-weight: 600;
    font-size: 14px;
}

.card-body {
    padding: 20px;
}

/* Alerts */
.alert {
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 13px;
    border: none;
}

.alert-danger {
    background-color: rgba(248, 113, 113, 0.15);
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.alert-success {
    background-color: rgba(74, 222, 128, 0.15);
    color: var(--success);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.alert-warning {
    background-color: rgba(251, 191, 36, 0.15);
    color: var(--warning);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

/* Modal */
.modal {
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
}

.modal-title {
    font-weight: 600;
    font-size: 16px;
}

.modal-body {
    padding: 20px;
    color: var(--text-secondary);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 16px 20px;
}

.btn-close {
    filter: invert(1);
    opacity: 0.5;
}

.btn-close:hover {
    opacity: 1;
}

/* Input group */
.input-group {
    display: flex;
    gap: 8px;
}

.input-group .form-control {
    flex: 1;
}

/* Headings */
h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 24px 0;
}

h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

h1:focus {
    outline: none;
}

/* Content area */
.content {
    padding: 32px;
    max-width: 1200px;
}

/* Utilities */
.text-muted {
    color: var(--text-muted) !important;
}

.mb-3 {
    margin-bottom: 16px;
}

.mb-4 {
    margin-bottom: 24px;
}

.me-1 {
    margin-right: 4px;
}

.me-2 {
    margin-right: 8px;
}

/* Error UI */
#blazor-error-ui {
    background: var(--danger);
    color: white;
    bottom: 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    display: none;
    left: 0;
    padding: 12px 20px;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 13px;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 16px;
    top: 12px;
}

#blazor-error-ui .reload {
    color: white;
    text-decoration: underline;
    margin-left: 8px;
}

.blazor-error-boundary {
    background: var(--danger);
    padding: 16px;
    color: white;
    border-radius: 6px;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* Validation */
.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--success);
}

.invalid {
    outline: none;
    border-color: var(--danger) !important;
}

.validation-message {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

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

.mobile-header {
    display: none;
}

.menu-overlay {
    display: none;
}

.sidebar {
    width: 240px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 50;
}

.main-content {
    flex: 1;
    margin-left: 240px;
    min-height: 100vh;
    background-color: var(--bg-primary);
}

/* Mobile Layout */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .mobile-header {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .hamburger-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 36px;
        height: 36px;
        padding: 8px;
        background: transparent;
        border: 1px solid var(--border-color);
        border-radius: 6px;
        cursor: pointer;
        transition: background-color 0.15s ease;
    }

    .hamburger-btn:hover {
        background-color: var(--bg-hover);
    }

    .hamburger-line {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--text-primary);
        border-radius: 1px;
    }

    .mobile-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 150;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s ease, visibility 0.25s ease;
    }

    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 200;
        border-right: 1px solid var(--border-color);
    }

    .sidebar.open {
        transform: translateX(0);
    }

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

    .content {
        padding: 24px 20px;
    }
}

/* Navigation Menu */
.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.logo-image {
    width: 100%;
    max-height: 48px;
    object-fit: contain;
    object-position: left center;
}

.sidebar-nav {
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 81px); /* sidebar-header height */
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.15s ease;
    min-height: 48px;
}

.nav-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active .nav-icon {
    stroke: var(--text-primary);
}

.nav-icon {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    flex-shrink: 0;
}

.nav-item:hover .nav-icon {
    stroke: var(--text-primary);
}

/* Nav footer (logout) */
.nav-footer {
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

/* Login page */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 320px;
    padding: 40px 36px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.login-heading {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 0 32px 0;
}

.login-error {
    font-size: 12px;
    color: var(--danger);
    text-align: center;
    margin: 0 0 16px 0;
}

.login-submit {
    width: 100%;
    margin-top: 8px;
}

.build-version {
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
    margin: 20px 0 0 0;
    letter-spacing: 0.3px;
}