.verde-classes-root {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #1f2937;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 16px;
    box-sizing: border-box;
    width: 100%;
}

.verde-classes-root * {
    box-sizing: border-box;
}

.verde-classes-loading,
.verde-classes-error,
.verde-classes-empty {
    text-align: center;
    padding: 24px 8px;
    color: #6b7280;
}

.verde-classes-error {
    color: #b91c1c;
}

/* Toolbar */
.verde-classes-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.verde-classes-toolbar-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.verde-classes-view-toggle,
.verde-classes-filter,
.verde-classes-nav button {
    border: 1px solid #d1d5db;
    background: #fff;
    color: #1f2937;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1.2;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.verde-classes-view-toggle:hover,
.verde-classes-filter:hover,
.verde-classes-nav button:hover {
    background: #f3f4f6;
}

.verde-classes-view-toggle.is-active,
.verde-classes-filter.is-active {
    background: #111827;
    color: #fff;
    border-color: #111827;
}

.verde-classes-month-label {
    font-weight: 600;
    font-size: 16px;
    min-width: 160px;
    text-align: center;
}

.verde-classes-nav {
    display: flex;
    gap: 4px;
    align-items: center;
}

/* Calendar grid */
.verde-classes-calendar {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 1px;
    background: #e5e7eb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
}

.verde-classes-weekday {
    background: #f9fafb;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    padding: 8px 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.verde-classes-day {
    background: #fff;
    min-height: 110px;
    padding: 6px;
    position: relative;
    overflow: hidden;
}

.verde-classes-day.is-outside {
    background: #f9fafb;
    color: #9ca3af;
}

.verde-classes-day.is-today {
    background: #fef3c7;
}

.verde-classes-day-number {
    font-size: 12px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 4px;
}

.verde-classes-day.is-outside .verde-classes-day-number {
    color: #9ca3af;
}

.verde-classes-events {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.verde-classes-event {
    display: block;
    width: 100%;
    text-align: left;
    background: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 3px 6px;
    font-size: 11px;
    line-height: 1.2;
    cursor: pointer;
    white-space: normal;
    overflow-wrap: break-word;
    word-break: break-word;
    position: relative;
}

.verde-classes-event:hover,
.verde-classes-event:focus-visible {
    filter: brightness(0.92);
    outline: none;
}

.verde-classes-event-time {
    display: block;
    font-weight: 600;
}

.verde-classes-event-title {
    display: block;
}

/* Tooltip */
.verde-classes-tooltip {
    position: fixed;
    z-index: 9999;
    max-width: 320px;
    background: #111827;
    color: #f9fafb;
    padding: 10px 12px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
    font-size: 12px;
    line-height: 1.45;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.12s ease, transform 0.12s ease;
}

.verde-classes-tooltip.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.verde-classes-tooltip h4 {
    margin: 0 0 6px;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
}

.verde-classes-tooltip dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2px 8px;
}

.verde-classes-tooltip dt {
    font-weight: 600;
    color: #9ca3af;
}

.verde-classes-tooltip dd {
    margin: 0;
    color: #f9fafb;
}

/* List view */
.verde-classes-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.verde-classes-table th,
.verde-classes-table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}

.verde-classes-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
}

.verde-classes-table tr:hover {
    background: #f9fafb;
    cursor: pointer;
}

.verde-classes-pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    background: #e5e7eb;
    color: #1f2937;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .verde-classes-day {
        min-height: 72px;
    }
    .verde-classes-event {
        font-size: 10px;
    }
    .verde-classes-month-label {
        min-width: 120px;
        font-size: 14px;
    }
    .verde-classes-table .verde-classes-col-status {
        display: none;
    }
}