* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    background: #f3f6fb;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.app-container {
    background: #ffffff;
    width: 420px;
    max-width: 100%;
    border-radius: 18px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    padding: 20px 20px 70px;
    position: relative;
}

/* Header */

.app-header {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    background: #1f6fd6;
    color: #ffffff;
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 18px;
}


/* Summary cards */

.summary-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.summary-card {
    background: #f7f9ff;
    border-radius: 12px;
    padding: 8px;
    text-align: center;
    border: 1px solid #e0e6f5;
}

.summary-icon {
    font-size: 18px;
    margin-bottom: 4px;
}

.summary-label {
    font-size: 11px;
    color: #5c6a88;
}

.summary-value {
    font-size: 13px;
    font-weight: 600;
    color: #1f6fd6;
    margin-top: 4px;
}

/* Clock section */

.clock-section {
    background: #f7f9ff;
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 18px;
    border: 1px solid #e0e6f5;
}

.clock-section h2 {
    font-size: 14px;
    margin-bottom: 10px;
    color: #2c3a55;
}

.clock-display {
    text-align: center;
    margin-bottom: 12px;
}

#main-clock {
    font-size: 32px;
    font-weight: 700;
    color: #1f6fd6;
}

#main-date {
    font-size: 13px;
    color: #4b5a78;
    margin-top: 4px;
}

#main-weekday {
    font-size: 12px;
    color: #7a869f;
    margin-top: 2px;
}

.btn-marcar {
    width: 100%;
    border: none;
    border-radius: 999px;
    padding: 10px 16px;
    background: #28a745;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.2s, transform 0.1s;
}

.btn-marcar:hover {
    background: #218838;
}

.btn-marcar:active {
    transform: scale(0.98);
}

/* Logs section */

.logs-section {
    margin-bottom: 0;

}

.logs-section h2 {
    font-size: 14px;
    margin-bottom: 8px;
    color: #2c3a55;
}

.logs-list {
    list-style: none;
    border-radius: 12px;
    background: #f7f9ff;
    border: 1px solid #e0e6f5;
    padding: 8px;
    height: 180px;
    overflow-y: scroll;
}

.logs-list::-webkit-scrollbar {
    display: none;
}

.log-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 4px;
    font-size: 12px;
    color: #2c3a55;
}

.log-item+.log-item {
    border-top: 1px solid #e0e6f5;
}

.log-left {
    display: flex;
    align-items: center;
    gap: 6px;
}

.log-icon {
    font-size: 14px;
}

.log-label {
    font-weight: 500;
}

.log-time {
    font-weight: 600;
    color: #1f6fd6;
}

@media (max-width: 768px) {

    .app-container{
        display: flex;
        flex-direction: column;
        justify-content: center;
        height: 100vh;
        width: 100vw;
        box-shadow: none;
        border-radius: 0;
    }

}