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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f4f6f9;
    color: #1a1a2e;
    min-height: 100vh;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 16px;
}

header {
    text-align: center;
    padding: 24px 0 16px;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #1a1a2e;
}

.nav-periodo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin: 12px 0;
}

.nav-periodo button {
    background: #fff;
    border: 1px solid #d0d5dd;
    border-radius: 8px;
    padding: 6px 14px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.15s;
}

.nav-periodo button:hover {
    background: #e8eaed;
}

.print-btn {
    font-size: 0.8rem !important;
    padding: 6px 12px !important;
    background: #1a1a2e !important;
    color: #fff !important;
    border-color: #1a1a2e !important;
    margin-left: 8px;
}

.print-btn:hover {
    background: #2d2d4e !important;
}

.vista-toggle {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin: 8px 0;
}

.vista-btn {
    background: #fff;
    border: 1px solid #d0d5dd;
    border-radius: 8px;
    padding: 4px 16px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.vista-btn.active {
    background: #1a1a2e;
    color: #fff;
    border-color: #1a1a2e;
}

.vista-btn:hover:not(.active) {
    background: #e8eaed;
}

.bimestre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.bimestre-grid .mes-block .dia {
    min-height: 52px;
}

.bimestre-grid .mes-block .dia-numero {
    font-size: 0.75rem;
}

.bimestre-grid .mes-block .indicador {
    width: 7px;
    height: 7px;
}

.semestre-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.mes-block {
    background: #fff;
    border-radius: 8px;
    padding: 8px;
    border: 1px solid #e2e8f0;
}

.mes-block .mes-header {
    font-size: 0.85rem;
    padding: 4px 0;
}

.mes-block .dias-semana {
    font-size: 0.6rem;
    padding: 2px 0;
}

.mes-block .dias-grid {
    gap: 1px;
}

.mes-block .dia {
    min-height: 36px;
    padding: 2px;
    border-radius: 4px;
}

.mes-block .dia-numero {
    font-size: 0.65rem;
}

.mes-block .indicador {
    width: 5px;
    height: 5px;
}

.mes-block .tooltip {
    font-size: 0.7rem;
    min-width: 160px;
    padding: 10px 12px;
}

.mes-block .tooltip-fecha {
    font-size: 0.72rem;
}

.leyenda {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 14px;
    padding: 8px 0 4px;
    font-size: 0.8rem;
}

.leyenda-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.leyenda-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.filtros {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    padding: 8px 0;
}

.filtro-btn {
    border: 1px solid #d0d5dd;
    background: #fff;
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 0.78rem;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.filtro-btn:hover {
    background: #e8eaed;
}

.filtro-btn.active {
    background: #1a1a2e;
    color: #fff;
    border-color: #1a1a2e;
}

.calendario {
    margin-top: 12px;
}

.mes-header {
    text-align: center;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 10px 0 6px;
    color: #1a1a2e;
}

.dias-semana {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 0.72rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 4px 0;
}

.dias-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.dia {
    background: #fff;
    border-radius: 6px;
    min-height: 72px;
    padding: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid transparent;
    transition: border-color 0.1s;
    cursor: default;
    position: relative;
}

.dia:hover {
    border-color: #cbd5e1;
}

.dia.vacio {
    background: transparent;
    min-height: 0;
}

.dia-numero {
    font-size: 0.78rem;
    font-weight: 500;
    color: #374151;
    align-self: flex-start;
}

.dia-otro-mes .dia-numero {
    color: #b0b7c3;
}

.indicadores {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2px;
    margin-top: 3px;
}

.indicador {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    cursor: help;
}

.dia.tiene-feriado {
    cursor: pointer;
}

.dia.tiene-feriado .dia-numero {
    font-weight: 700;
}

.tooltip {
    display: none;
    position: absolute;
    z-index: 10;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    padding: 14px 16px;
    min-width: 200px;
    font-size: 0.82rem;
    margin-top: 4px;
}

.tooltip.show {
    display: block;
}

.tooltip-fecha {
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 8px;
    color: #1a1a2e;
}

.tooltip-feriado {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 4px 0;
    border-bottom: 1px solid #f0f0f0;
}

.tooltip-feriado:last-child {
    border-bottom: none;
}

.tooltip-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 3px;
}

.tooltip-info {
    line-height: 1.4;
}

.tooltip-pais {
    font-weight: 600;
    font-size: 0.78rem;
}

.tooltip-nombre {
    color: #374151;
}

.tooltip-tipo {
    font-size: 0.7rem;
    color: #8b95a5;
}

.sin-feriados {
    text-align: center;
    color: #8b95a5;
    font-size: 0.85rem;
    padding: 8px 0;
}

@media (max-width: 900px) {
    .semestre-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .bimestre-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 8px;
    }
    header h1 {
        font-size: 1.2rem;
    }
    .dia {
        min-height: 56px;
        padding: 3px;
    }
    .dia-numero {
        font-size: 0.7rem;
    }
    .indicador {
        width: 6px;
        height: 6px;
    }
    .filtro-btn {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
    .tooltip {
        left: 0;
        right: 0;
        transform: none;
    }
    .semestre-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .mes-block .dia {
        min-height: 30px;
    }
}