:root {
    --uw-purple: #4b2e83;
    --uw-gold: #b7a57a;
    --uw-light-gold: #e8e3d3;
    --background-color: #f4f4f9;
    --card-background: #ffffff;
    --text-color: #333;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

header {
    background-color: var(--uw-purple);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    border-bottom: 4px solid var(--uw-gold);
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

header p {
    margin: 0;
    color: var(--uw-light-gold);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

#memory-count {
    font-size: 0.9rem;
    opacity: 0.8;
}

button, #add-memory-btn, #export-btn {
    background-color: var(--uw-gold);
    color: var(--uw-purple);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    font-size: 1rem;
    transition: background-color 0.2s;
}

button:hover, #add-memory-btn:hover, #export-btn:hover {
    background-color: var(--uw-light-gold);
}

main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.quarter-group h2 {
    color: var(--uw-purple);
    border-bottom: 2px solid var(--uw-light-gold);
    padding-bottom: 0.5rem;
    margin-top: 2rem;
}

.memories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.memory-card {
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 4px 8px var(--shadow-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    position: relative;
    border: 2px solid transparent;
}

.memory-card.favorite {
    border-color: var(--uw-gold);
    box-shadow: 0 6px 12px rgba(183, 165, 122, 0.5);
}

.memory-card:hover {
    transform: translateY(-5px);
}

.favorite-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.7);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--uw-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, color 0.2s;
    z-index: 2;
}

.favorite-btn:hover {
    background: white;
}

.memory-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.memory-card-content {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.memory-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.memory-card-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--uw-purple);
}

.memory-card-date {
    font-size: 0.9rem;
    color: #666;
    white-space: nowrap;
    margin-left: 1rem;
}

.memory-tags {
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--uw-light-gold);
    color: var(--uw-purple);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.memory-text {
    flex-grow: 1;
    font-size: 0.95rem;
    color: #555;
    white-space: pre-wrap;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.memory-text.expanded {
    max-height: none;
}

.memory-card-footer {
    padding: 1rem;
    padding-top: 0;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.edit-btn {
    background: none;
    border: none;
    color: var(--uw-purple);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.5rem;
}
.edit-btn:hover {
    text-decoration: underline;
}

.delete-btn {
    background: none;
    border: none;
    color: #c0392b;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.5rem;
}

.delete-btn:hover {
    text-decoration: underline;
}

/* Passcode Modal Styles */
#passcode-content {
    max-width: 400px;
    text-align: center;
}

#passcode-form label {
    display: block;
    margin-top: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
    text-align: left;
}

#passcode-form input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}

#passcode-form button[type="submit"] {
    width: 100%;
    margin-top: 1.5rem;
    padding: 0.8rem;
    font-size: 1.1rem;
    background-color: var(--uw-purple);
    color: white;
}
#passcode-form button[type="submit"]:hover {
    background-color: #3a2268;
}

#passcode-error {
    color: #c0392b;
    margin-top: 1rem;
    font-weight: 500;
    padding: 0.5rem;
    border-radius: 4px;
    background-color: rgba(192, 57, 43, 0.1);
}

#passcode-instructions {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

#reset-app-btn {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 0.9rem;
    margin-top: 1.5rem;
    text-decoration: underline;
    padding: 0;
}
#reset-app-btn:hover {
    color: #333;
    background-color: transparent;
}

/* View Memory Modal Styles */
.view-memory-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.favorite-btn-modal {
    background: none;
    border: none;
    font-size: 2.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--uw-gold);
    padding: 0;
    margin-top: -5px; /* Align with title */
}

#view-memory-content img {
    width: 100%;
    max-height: 40vh;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

#view-memory-content h2 {
    color: var(--uw-purple);
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 2rem;
    flex-grow: 1;
}

#view-memory-content .date-and-tags {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: #666;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

#view-memory-content .view-memory-date {
    font-weight: 500;
}

#view-memory-content .memory-tags {
    justify-content: flex-end;
}

#view-memory-content .view-memory-text {
    font-size: 1.1rem;
    line-height: 1.7;
    white-space: pre-wrap;
    color: #333;
}

.view-modal-actions {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.close-modal-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #888;
}

#memory-form h2 {
    margin-top: 0;
    color: var(--uw-purple);
}

#memory-form label {
    display: block;
    margin-top: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

#memory-form input[type="text"],
#memory-form input[type="date"],
#memory-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}

#memory-form input#quarter {
    background-color: #f0f0f0;
}

#memory-form input[type="file"] {
    width: 100%;
    padding: 0.5rem;
}

#image-preview {
    max-width: 100%;
    max-height: 200px;
    margin-top: 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

#memory-form button[type="submit"] {
    width: 100%;
    margin-top: 1.5rem;
    padding: 0.8rem;
    font-size: 1.1rem;
}


@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    main {
        padding: 1rem;
    }

    .memories-grid {
        grid-template-columns: 1fr;
    }
}