:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --border: #334155;
    --input-bg: #0f172a;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

h1 {
    font-weight: 600;
    font-size: 1.5rem;
}

h2 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-main);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-badge.pending {
    background: var(--secondary);
    color: white;
}

.status-badge.ok {
    background: var(--success);
    color: white;
}

.status-badge.error {
    background: var(--danger);
    color: white;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}

.card-body {
    padding: 20px;
}

.control-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    align-items: end;
}

.form-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-item.full-width {
    grid-column: span 4;
}

.form-actions {
    grid-column: span 4;
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

input,
select {
    background: var(--input-bg);
    border: 1px solid var(--border);
    color: black;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    width: 100%;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    ring: 2px solid rgba(59, 130, 246, 0.2);
}

button.btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 0.9rem;
}

button.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn.primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

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

.btn.secondary:hover:not(:disabled) {
    background: #475569;
}

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

.btn.success:hover:not(:disabled) {
    background: #059669;
}

.btn.danger {
    background: var(--danger);
    color: white;
    padding: 4px 8px;
    font-size: 0.8rem;
}

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

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

th,
td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-muted);
    font-weight: 500;
}

.options-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
}

.select-inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.select-inline select {
    width: auto;
}

.log-console {
    background: #000;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    padding: 15px;
    border-radius: 6px;
    height: 200px;
    overflow-y: auto;
    font-size: 0.85rem;
    white-space: pre-wrap;
}

.hidden {
    display: none;
}

.progress-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin-top: 15px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    width: 50%;
    animation: indeterminate 1.5s infinite linear;
}

@keyframes indeterminate {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(200%);
    }
}

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

.modal-content {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    width: 400px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 10px;
}

.modal.hidden {
    display: none;
}

/* Calendar View */
.view-toggles {
    margin-left: auto;
    display: flex;
    gap: 10px;
}

.calendar-container {
    margin-top: 20px;
    overflow-x: auto;
}

.calendar-header {
    display: grid;
    grid-template-columns: 60px repeat(6, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-bottom: none;
}

.cal-cell-header {
    background: var(--card-bg);
    padding: 10px;
    text-align: center;
    font-weight: 600;
    color: var(--text-main);
}

.calendar-grid {
    display: grid;
    grid-template-columns: 60px repeat(6, 1fr);
    /* 13 hours (7-20) * 4 slots/hour = 52 slots.
       Using minmax to ensure rows have height. */
    grid-template-rows: repeat(52, minmax(15px, auto));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    position: relative;
}

.cal-time-slot {
    background: var(--card-bg);
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--border);
    /* No default grid-row, set by JS */
}

.cal-cell {
    background: rgba(30, 41, 59, 0.5);
    /* slightly transparent card bg */
    position: relative;
    /* No default grid-row, set by JS */
}

.cal-event {
    /* Positioned by JS using grid lines */
    padding: 4px;
    background: var(--primary);
    /* Default, overridden by JS */
    color: white;
    /* Default text color for contrast */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    /* Improve readability on light colors */
    font-size: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.1s;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cal-event:hover {
    transform: scale(1.02);
    z-index: 20;
    background: var(--primary-hover);
}

.cal-event-title {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cal-event-info {
    opacity: 0.9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}