.notas-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
}


.notas-header-row {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.notas-summary {
    text-align: center;
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 12px;
    padding: 16px 32px;
}

.notas-summary-title {
    color: #94a3b8;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.notas-summary-value {
    color: #f8fafc;
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin: 4px 0;
}

.notas-summary-subtitle {
    color: #64748b;
    font-size: 12px;
}

.notas-items-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.notas-item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    background: rgba(30, 41, 59, 0.9);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.notas-input-name {
    background: transparent;
    border: none;
    color: #e2e8f0;
    font-size: 14px;
    font-weight: 500;
    outline: none;
    flex-grow: 1;
    min-width: 60px;
}
.notas-input-name::placeholder { color: #64748b; }

.notas-input-wrapper {
    position: relative;
    width: 70px;
}

.notas-input-weight {
    width: 100%;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 6px 20px 6px 8px;
    color: #f8fafc;
    font-size: 14px;
    outline: none;
}
.notas-percent-symbol {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 13px;
    pointer-events: none;
}

.notas-input-grade {
    width: 70px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 6px 8px;
    color: #f8fafc;
    font-size: 14px;
    outline: none;
    text-align: center;
    font-weight: bold;
}

.notas-add-row {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.notas-btn-add {
    background: rgba(30, 41, 59, 0.8);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    color: #cbd5e1;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}
.notas-btn-add:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: rgba(56, 189, 248, 0.4);
    color: #38bdf8;
}

.notas-survival-box {
    margin-top: 24px;
}

.notas-warning, .notas-success, .notas-danger, .notas-info {
    padding: 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
}

.notas-warning { background: rgba(234, 179, 8, 0.15); color: #facc15; border: 1px solid rgba(234, 179, 8, 0.3); }
.notas-success { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.notas-danger { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.notas-info { background: rgba(56, 189, 248, 0.15); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.3); }

/* Ocultar flechas de inputs numéricos */
.notas-input-weight::-webkit-outer-spin-button,
.notas-input-weight::-webkit-inner-spin-button,
.notas-input-grade::-webkit-outer-spin-button,
.notas-input-grade::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

@media (max-width: 768px) {
    .notas-spacer-desktop {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .notas-desktop-spacer { display: none !important; }
}
@media (min-width: 769px) {
    .notas-desktop-spacer { display: block !important; }
}

.notas-chart-container {
    display: flex;
    align-items: center;
    flex: 1;
}

@media (min-width: 769px) {
    .notas-chart-container {
        justify-content: flex-start;
        padding-left: 24px; /* Chart slightly to the right of Nota Final */
    }
}

@media (max-width: 768px) {
    .notas-chart-container {
        justify-content: center;
        min-width: 100%; /* Force wrap on mobile */
        margin-top: 8px;
    }
}

.notas-controls-shell {
    position: relative;
    z-index: 50;
    margin-bottom: 24px;
}

.notas-controls-header {
    display: flex;
    gap: 12px;
    align-items: center;
}

@media (max-width: 500px) {
    .notas-controls-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .notas-controls-header > div {
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
    
    .notas-controls-header > div .custom-dropdown {
        flex: 1;
    }
}