.main-wrapper {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 1rem;
}

.header {
    text-align: center;
    margin: 2rem 0;
}

.header h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.header p {
    color: var(--neutral-500);
    font-size: 1rem;
}

#add-tracker-btn {
    padding: 1%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    width: 15em;
    box-sizing: border-box;
    margin: 0 auto 1.5rem auto;
    font-size: 1rem;
    font-weight: 600;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    position: relative;
}

#add-tracker-btn:hover {
    background-color: #0E42D2;
    transform: translateY(-2px);
}

#add-tracker-btn:active {
    transform: translateY(0);
}

.trackers-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));/* Display three cards per row on desktop */
    gap: 1rem;
}

/* Desktop layout */
@media (min-width: 769px) {
    .main-wrapper:has(.trackers-container:empty) #add-tracker-btn {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .main-wrapper:has(.trackers-container:not(:empty)) #add-tracker-btn {
        position: absolute;
        top: 0;
        right: 0;
        margin: 0;
    }
}

/* Mobile layout */
@media (max-width: 768px) {
    .main-wrapper:has(.trackers-container:empty) #add-tracker-btn {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .main-wrapper:has(.trackers-container:not(:empty)) #add-tracker-btn {
        position: relative;
        margin: 1rem auto;
    }

    .trackers-container {
        grid-template-columns: 1fr; /* Display one card per row on mobile */
        overflow-x: auto; /* Add horizontal scroll on mobile if needed */
    }
}

.track-card {
    position: relative;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--neutral-200);
    justify-content: center;
    align-items: flex-start;
    gap: 5vh;
}

.track-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-4px);
}

.delete-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: transparent;
    border: none;
    color: var(--neutral-400);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.delete-btn:hover {
    color: var(--danger-color);
}

.track-card label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 600;
    color: var(--neutral-600);
    font-size: 0.9rem;
}

.track-card input[type="date"] {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    width: 100%;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-sm);
    transition: border-color 0.3s ease;
}

.counter-reset-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sobriety-count {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: left;
    display: flex;
    align-items: center;
}

.sobriety-count i {
    margin-right: 0.5rem;
    color: var(--primary-color);
    font-size: 1.8rem;
}

.reset-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
}

.reset-button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    width: 100%;
}

.reset-info {
    font-size: 0.85rem;
    color: var(--neutral-500);
    background: var(--neutral-100);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    line-height: 1.4;
    border: 1px solid var(--neutral-200);
    margin-top: 0.5rem;
    width: 100%;
}
.reset-button:hover {
    background-color: #E66E00;
    transform: translateY(-2px);
}

.reset-button:active {
    transform: translateY(0);
}