/* === STILI SEZIONE BATTITI CARDIACI === */

.heart-rate-section {
    margin-bottom: 30px;
}

.heart-rate-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
}

.heart-rate-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

.heart-rate-toggle-btn {
    background: var(--color-primary-500);
    color: white;
    border: 1px solid var(--color-primary-500);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.heart-rate-toggle-btn:hover {
    background: #5a6fd8;
    border-color: #5a6fd8;
    transform: translateY(-1px);
}

.heart-rate-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12),
                0 4px 16px rgba(229, 62, 62, 0.08);
    position: relative;
    z-index: var(--z-above);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Bottoni rapidi per accesso diretto ai form */
.heart-rate-quick-btn {
    background: linear-gradient(135deg, #e53e3e, #f56565);
    color: white;
    border: none;
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.heart-rate-quick-btn:hover {
    background: linear-gradient(135deg, #c53030, #e53e3e);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
}

/* Contenitore bottoni rapidi dentro heart-rate-content */
.heart-rate-quick-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(229, 62, 62, 0.2);
}

.heart-rate-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e53e3e, #c53030, #e53e3e);
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
    border-radius: 20px 20px 0 0;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Form inserimento */
.heart-rate-input-section {
    padding: 20px;
    background: white;
    border-radius: 12px;
    margin-bottom: 30px;
    position: relative;
    z-index: var(--z-raised);
}

.heart-rate-input-section h3 {
    margin: 0 0 20px 0;
    color: #2d3748;
    font-size: 1.2rem;
}

.heart-rate-input-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

.heart-rate-input-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.heart-rate-input-form label {
    font-weight: 600;
    color: #4a5568;
    font-size: 14px;
}

.heart-rate-input-form .form-input {
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #f7fafc;
    font-weight: 500;
}

.heart-rate-input-form .form-input:hover {
    border-color: #cbd5e0;
    background: #fff;
}

.heart-rate-input-form .form-input:focus {
    outline: none;
    border-color: #e53e3e;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(229, 62, 62, 0.1),
                0 4px 12px rgba(229, 62, 62, 0.15);
    transform: translateY(-1px);
}

.heart-rate-input-form .save-btn {
    padding: 14px 28px;
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(229, 62, 62, 0.4);
    position: relative;
    overflow: hidden;
}

.heart-rate-input-form .save-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.heart-rate-input-form .save-btn:hover::before {
    left: 100%;
}

.heart-rate-input-form .save-btn:hover {
    background: linear-gradient(135deg, #c53030 0%, #9b2c2c 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(229, 62, 62, 0.5);
}

.heart-rate-input-form .save-btn:active {
    transform: translateY(-1px);
}

.heart-rate-note {
    margin-top: 15px;
    padding: 12px;
    background: #edf2f7;
    border-left: 3px solid var(--color-primary-500);
    border-radius: 4px;
    font-size: 14px;
    color: #4a5568;
}

/* Controllo Granularità */
.granularity-control {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 25px auto 30px auto;
    padding: 14px 20px;
    background: linear-gradient(135deg, #fff5f5 0%, #fed7d7 100%);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: relative;
    z-index: var(--z-raised);
    clear: both;
    width: fit-content;
    display: flex;
}

.granularity-control label {
    font-weight: 700;
    color: #742a2a;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.granularity-select {
    padding: 10px 16px;
    border: 2px solid #e53e3e;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    background: white;
    color: #742a2a;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 180px;
}

.granularity-select:hover {
    border-color: #c53030;
    box-shadow: 0 2px 8px rgba(229, 62, 62, 0.2);
}

.granularity-select:focus {
    outline: none;
    border-color: #c53030;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15);
}

/* Grafici */
.heart-rate-charts-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
    position: relative;
    z-index: var(--z-above);
    clear: both;
}

.chart-container-full {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    width: 100%;
    position: relative;
    z-index: var(--z-above);
    border: 2px solid rgba(226, 232, 240, 0.5);
}

.chart-header {
    margin-bottom: 15px;
}

.chart-header h3 {
    margin: 0;
    color: #2d3748;
    font-size: 1.1rem;
}

/* Statistiche */
.heart-rate-stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 30px;
    position: relative;
    z-index: var(--z-raised);
    clear: both;
}

.heart-rate-stats-section .stat-card {
    background: linear-gradient(135deg, rgba(255, 245, 245, 0.95), rgba(254, 215, 215, 0.95));
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 120px;
    border: 2px solid rgba(229, 62, 62, 0.1);
}

.heart-rate-stats-section .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(229, 62, 62, 0.2);
    border-color: rgba(229, 62, 62, 0.3);
}

.heart-rate-stats-section .stat-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.heart-rate-stats-section .stat-content {
    flex: 1;
    min-width: 0;
}

.heart-rate-stats-section .stat-label {
    font-size: 0.75rem;
    color: #742a2a;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.heart-rate-stats-section .stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: #c53030;
    line-height: 1;
}

.heart-rate-stats-section .stat-unit {
    font-size: 0.9rem;
    color: #9b2c2c;
    font-weight: 500;
    margin-top: 4px;
}

/* Stat card per min/max */
.heart-rate-stats-section .stat-minmax {
    display: flex;
    gap: 15px;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
}

.heart-rate-stats-section .stat-min, 
.heart-rate-stats-section .stat-max {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.heart-rate-stats-section .stat-min-label, 
.heart-rate-stats-section .stat-max-label {
    font-size: 0.65rem;
    color: #742a2a !important;
    font-weight: 600;
    text-transform: uppercase;
}

.heart-rate-stats-section .stat-min-value, 
.heart-rate-stats-section .stat-max-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: #742a2a !important;
}

/* Storico */
.heart-rate-history-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
    position: relative;
    z-index: var(--z-above);
    clear: both;
}

.heart-rate-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.heart-rate-history-header h4 {
    margin: 0;
    color: #2d3748;
    font-size: 1.3rem;
    font-weight: 700;
}

.history-buttons {
    display: flex;
    gap: 10px;
}

.export-btn {
    padding: 8px 16px;
    background: #48bb78;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.export-btn:hover {
    background: #38a169;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(72, 187, 120, 0.3);
}

.heart-rate-history-toggle-btn {
    padding: 8px 16px;
    background: var(--color-primary-500);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.heart-rate-history-toggle-btn:hover {
    background: var(--color-primary-600);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--color-primary-200);
}

.heart-rate-history-list {
    max-height: 400px;
    overflow-y: auto;
}

.heart-rate-history-item {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr auto;
    gap: 15px;
    align-items: center;
    padding: 18px 20px;
    margin-bottom: 10px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(247, 250, 252, 0.9));
    backdrop-filter: blur(10px);
    border: 2px solid rgba(226, 232, 240, 0.5);
    border-left: 5px solid #e53e3e;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.heart-rate-history-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(135deg, #e53e3e, #c53030);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.heart-rate-history-item:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(247, 250, 252, 1));
    transform: translateX(6px) translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 62, 62, 0.15);
    border-color: rgba(229, 62, 62, 0.3);
}

.heart-rate-history-item:hover::before {
    opacity: 1;
}

.heart-rate-history-date {
    font-weight: 500;
    color: #2d3748;
}

.heart-rate-history-time {
    color: #4a5568;
    font-size: 0.9rem;
}

.heart-rate-history-value {
    font-weight: bold;
    color: #e53e3e;
    font-size: 1.1rem;
}

.heart-rate-history-type {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    background: #edf2f7;
    color: #4a5568;
}

.heart-rate-history-actions {
    display: flex;
    gap: 8px;
}

.edit-heart-rate-btn {
    background: rgba(226, 232, 240, 0.5);
    border: 2px solid rgba(203, 213, 224, 0.5);
    color: #3182ce;
    border-radius: 10px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(5px);
}

.edit-heart-rate-btn:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.15));
    border-color: #3b82f6;
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.delete-heart-rate-btn {
    background: rgba(226, 232, 240, 0.5);
    border: 2px solid rgba(203, 213, 224, 0.5);
    color: #e53e3e;
    border-radius: 10px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(5px);
}

.delete-heart-rate-btn:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(220, 38, 38, 0.15));
    border-color: #ef4444;
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.no-data {
    text-align: center;
    padding: 40px;
    color: #a0aec0;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .heart-rate-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .heart-rate-input-form {
        grid-template-columns: 1fr;
    }
    
    .granularity-control {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .granularity-select {
        width: 100%;
    }
    
    .heart-rate-stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-minmax {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .heart-rate-history-item {
        grid-template-columns: 1fr;
        gap: 8px;
        text-align: center;
    }
    
    .heart-rate-history-actions {
        justify-content: center;
    }
    
    .history-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .export-btn,
    .heart-rate-history-toggle-btn {
        width: 100%;
    }
}