:root {
    --bg: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --success: #10b981;
    --error: #ef4444;
    --accent: #3b82f6;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text-primary);
    padding: 2rem;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.controls-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

input[type="text"],
input[type="number"],
input[type="password"] {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid #334155;
    background: #0f172a;
    color: white;
    flex: 1;
    min-width: 200px;
}

button {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    white-space: nowrap;
}

button:hover {
    opacity: 0.9;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid #334155;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.usage {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.url-sub {
    font-size: 0.75rem;
    font-family: monospace;
    color: var(--text-secondary);
    word-break: break-all;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
    border-radius: 4px;
    margin-top: 0.5rem;
    width: 100%;
}

.interval-sub {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    margin-top: 0.25rem;
    width: 100%;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-badge.down {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.status-badge.pending {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
}

.stats-grid {
    margin-top: auto;
    border-top: 1px solid #334155;
    padding-top: 1rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.delete-btn {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.25rem;
    font-size: 1.25rem;
    line-height: 1;
}

.delete-btn:hover {
    opacity: 1;
    color: var(--error);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #334155;
    width: 100%;
    max-width: 500px;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.modal-form label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* User Menu Dropdown */
.user-menu-btn:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: 8px;
}

.user-dropdown a:hover,
.user-dropdown button:hover {
    background: rgba(255, 255, 255, 0.05) !important;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem;
    font-size: 1.25rem;
    line-height: 1;
    border-radius: 4px;
    border: none;
    cursor: pointer;
}

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

.icon-btn.delete:hover {
    color: var(--error);
}

/* History Table */
.history-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    color: var(--text-primary);
}

.history-table th,
.history-table td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid #334155;
    font-size: 0.875rem;
    white-space: nowrap;
}

.history-table th {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
}

.history-status {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
}

.history-status.up {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.history-status.down {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.modal-content.large {
    max-width: 800px;
}

.history-scroll {
    max-height: 400px;
    overflow-y: auto;
    overflow-x: auto;
}

h1:focus {
    outline: none;
}

a,
.btn-link {
    color: #0071c1;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

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

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

.loading-progress circle {
    fill: none;
    stroke: #e0e0e0;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: #1b6ec2;
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}

code {
    color: #c02d76;
}

/* Mobile Responsiveness & Layout Improvements */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid #334155;
}

@media (max-width: 768px) {
    body {
        padding: 0.5rem;
    }

    .top-bar {
        padding: 1rem;
    }

    h1 {
        font-size: 1.25rem;
    }

    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    input[type="text"],
    input[type="number"],
    input[type="password"] {
        flex: none !important;
        width: 100%;
        min-width: 100% !important;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .history-scroll {
        max-height: 60vh;
    }

    .card-actions {
        margin-top: 0.5rem;
    }
}