/* CSS Custom Properties for Color Palette */
:root {
    --color-primary: #8B4513;
    --color-secondary: #D2691E;
    --color-accent: #FF8C00;
    --color-warning: #FFA500;
    --color-highlight: #FFD700;
    
    --color-positive: #4CAF50;
    --color-negative: #F44336;
    --color-neutral: #9E9E9E;
    
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #CCCCCC;
    --color-gray-dark: #666666;
    --color-border: #E2D6C8;
    --color-surface: var(--color-white);
    --color-surface-alt: #FDF4E3;
    
    --font-family-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-small: 0.875rem;
    --font-size-base: 1rem;
    --font-size-large: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2.25rem;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    --border-radius: 0.75rem;
    --border-radius-pill: 999px;
    --box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
    --box-shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.08);
    --transition: all 0.25s ease;
    --bottom-nav-height: 72px;
    --header-offset: 150px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-black);
    background: radial-gradient(circle at top, var(--color-highlight), var(--color-gray-light) 55%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: calc(var(--header-offset) + var(--spacing-md));
    padding-bottom: calc(var(--bottom-nav-height) + var(--spacing-xl));
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.95), rgba(210, 105, 30, 0.9));
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
    box-shadow: var(--box-shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 150;
}
.black-bar {
position: fixed;
bottom: 0;
left: 0;
right: 0;
height: 30px;
background-color: #000000;
z-index: 1001;
}
.header__content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.header__branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: nowrap;
    width: 100%;
    max-width: 720px;
    justify-content: center;
}

.header__logo {
    width: clamp(70px, 10vw, 95px);
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.25));
}

.header__text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 0;
    flex: 1;
}

.header__title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header__subtitle {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header__title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin: 0;
}

.header__subtitle {
    font-size: 0.95rem;
    opacity: 0.85;
    font-weight: 400;
    margin: 0;
}

/* Bottom navigation */
.bottom-nav {
    position: fixed;
    left: 50%;
    bottom: var(--spacing-sm);
    transform: translateX(-50%);
    width: min(480px, calc(100% - var(--spacing-lg)));
    background-color: var(--color-white);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius-pill);
    padding: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    z-index: 200;
    margin-bottom: 80px;
}

.bottom-nav__button {
    flex: 1;
    border: none;
    background-color: transparent;
    border-radius: var(--border-radius-pill);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-dark);
    font-weight: 600;
    font-size: var(--font-size-small);
    cursor: pointer;
    transition: var(--transition);
}

.bottom-nav__icon {
    width: 1.5rem;
    height: 1.5rem;
    display: inline-flex;
}

.bottom-nav__icon svg {
    width: 100%;
    height: 100%;
}

.bottom-nav__button--active {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--box-shadow-soft);
}

/* Main Content */
.main {
    flex: 1;
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(241, 245, 255, 0.8) 40%);
}

/* Sections */
.section {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.section--active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section__title {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.section__description {
    color: var(--color-gray-dark);
    font-size: var(--font-size-large);
}

/* Card-like sections */
.pet-selector,
.pet-form,
.behavior-register,
.analysis-filters,
.history-filters,
.history-list,
.chart-container,
.insights {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-soft);
    border: 1px solid rgba(226, 232, 240, 0.8);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
}

/* Pet Selector */
.pet-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.pet-selector__label {
    font-weight: 600;
    color: var(--color-primary);
    min-width: 120px;
}

.pet-selector__select {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-medium);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.pet-selector__select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.pet-selector__add-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
}

.pet-selector__add-btn:hover {
    background-color: var(--color-secondary);
    transform: translateY(-1px);
}

/* Pet Form */
.pet-form__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.pet-form__form {
    display: grid;
    gap: var(--spacing-lg);
}

.pet-form__actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Input Groups */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.input-group__label {
    font-weight: 600;
    color: var(--color-primary);
}

.input-group__input,
.input-group__select,
.input-group__textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--color-gray-light);
}

.input-group__input:focus,
.input-group__select:focus,
.input-group__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(85, 99, 255, 0.15);
    background-color: var(--color-white);
}

.input-group__textarea {
    resize: vertical;
    min-height: 100px;
}

.input-group__range {
    width: 100%;
    height: 8px;
    border-radius: var(--border-radius);
    background: var(--color-gray-medium);
    outline: none;
    cursor: pointer;
}

.input-group__range::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-white);
    cursor: pointer;
    box-shadow: var(--box-shadow-soft);
}

.input-group__range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 2px solid var(--color-white);
    box-shadow: var(--box-shadow-soft);
}

.input-group__range-value {
    text-align: center;
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-large);
}

.input-group__error {
    color: var(--color-negative);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
}

/* Quick Actions */
.quick-actions {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.quick-actions__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.quick-actions__buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.quick-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius-pill);
    font-size: var(--font-size-large);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-width: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    box-shadow: var(--box-shadow-soft);
}

.quick-btn--positive {
    background: linear-gradient(135deg, var(--color-positive), #2ea06c);
}

.quick-btn--negative {
    background: linear-gradient(135deg, var(--color-negative), #e45757);
}

.quick-btn--neutral {
    background: linear-gradient(135deg, var(--color-neutral), #7e8ca6);
}

.quick-btn:hover {
    transform: translateY(-3px) scale(1.01);
}

.quick-btn__icon {
    width: 1.5rem;
    height: 1.5rem;
    display: inline-flex;
}

.quick-btn__icon svg {
    width: 100%;
    height: 100%;
}

.quick-btn__label {
    font-size: var(--font-size-base);
    letter-spacing: 0.2px;
}

/* Behavior Form */
.behavior-form {
    display: grid;
    gap: var(--spacing-lg);
}

.behavior-form__actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    letter-spacing: 0.2px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), rgba(85, 99, 255, 0.85));
    color: var(--color-white);
    box-shadow: var(--box-shadow-soft);
}

.btn--primary:hover {
    transform: translateY(-2px);
}

.btn--secondary {
    background-color: var(--color-gray-light);
    color: var(--color-gray-dark);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn--danger {
    background-color: var(--color-negative);
    color: var(--color-white);
    box-shadow: var(--box-shadow-soft);
}

.btn--danger:hover {
    background-color: #e05757;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Success Message */
.success-message {
    background-color: var(--color-positive);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.success-message__text {
    font-weight: 600;
    font-size: var(--font-size-large);
}

/* Analysis Filters */
.analysis-filters {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    align-items: end;
    background: linear-gradient(135deg, rgba(241, 245, 255, 0.9), rgba(255, 255, 255, 0.95));
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 200px;
}

.filter-group__label {
    font-weight: 600;
    color: var(--color-primary);
}

.filter-group__select,
.filter-group__input {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background-color: var(--color-gray-light);
}

.filter-group__select:focus,
.filter-group__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(139, 69, 19, 0.1);
    background-color: var(--color-white);
}

.filter-group--action {
    display: flex;
    align-items: flex-end;
}

.filter-group--action .btn {
    width: 100%;
    min-height: 56px;
}

/* Analysis Summary */
.analysis-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    align-items: stretch;
}

.summary-card {
    background: radial-gradient(circle at top, rgba(85, 99, 255, 0.08), rgba(255, 255, 255, 0.95));
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-soft);
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 180px;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--color-primary);
}

.summary-card--positive::before {
    background-color: var(--color-positive);
}

.summary-card--negative::before {
    background-color: var(--color-negative);
}

.summary-card--neutral::before {
    background-color: var(--color-neutral);
}

.summary-card__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-large);
}

.summary-card__value {
    display: block;
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.summary-card__percentage {
    color: var(--color-gray-dark);
    font-size: var(--font-size-large);
    font-weight: 600;
}

/* Chart Container */
.chart-container {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-xl);
}

.chart-container__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
    text-align: center;
}

.chart-container__canvas {
    width: 100%;
    max-width: 100%;
    height: 300px;
    margin: 0 auto;
    display: block;
}

/* Insights */
.insights {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-xl);
}

.insights__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.insights__content {
    color: var(--color-gray-dark);
    line-height: 1.8;
}

.insights__content ul {
    list-style: none;
    padding-left: 0;
}

.insights__content li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
}

.insights__content li::before {
    content: '💡';
    position: absolute;
    left: 0;
    top: 0;
}

/* History Filters */
.history-filters {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    align-items: end;
}

/* History List */
.history-list {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.history-empty {
    padding: var(--spacing-xxl);
    text-align: center;
    color: var(--color-gray-dark);
    font-size: var(--font-size-large);
}

.history-item {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
    transition: var(--transition);
    background-color: var(--color-white);
    border-left: 4px solid transparent;
}

.history-item:last-child {
    border-bottom: none;
}

.history-item:hover {
    background-color: var(--color-surface-alt);
    border-left-color: var(--color-primary);
}

.history-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.history-item__pet {
    font-weight: 600;
    color: var(--color-primary);
}

.history-item__category {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-white);
}

.history-item__category--positive {
    background-color: var(--color-positive);
}

.history-item__category--negative {
    background-color: var(--color-negative);
}

.history-item__category--neutral {
    background-color: var(--color-neutral);
}

.history-item__timestamp {
    color: var(--color-gray-dark);
    font-size: var(--font-size-small);
}

.history-item__description {
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.history-item__context {
    color: var(--color-gray-dark);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.history-item__intensity {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-dark);
    font-size: var(--font-size-small);
}

.history-item__actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.history-item__btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
    cursor: pointer;
    transition: var(--transition);
}

.history-item__btn--delete {
    background-color: var(--color-negative);
    color: var(--color-white);
}

.history-item__btn--delete:hover {
    background-color: #d32f2f;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pagination__btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-gray-dark);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.pagination__btn:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--box-shadow-soft);
}

.pagination__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination__info {
    color: var(--color-gray-dark);
    font-weight: 600;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: auto;
    margin-bottom: 40px;
}

.footer__text {
    font-size: var(--font-size-small);
    opacity: 0.9;
}

/* Loading */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading__spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-gray-medium);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading__text {
    color: var(--color-white);
    font-size: var(--font-size-large);
    font-weight: 600;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal__content {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.modal__title {
    color: var(--color-negative);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.modal__message {
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --header-offset: 120px;
    }
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header__branding {
        flex-direction: row;
        justify-content: center;
        text-align: left;
        flex-wrap: nowrap;
        gap: var(--spacing-sm);
    }

    .header__logo {
        width: clamp(65px, 20vw, 90px);
    }

    .header__text {
        align-items: flex-start;
        text-align: left;
    }

    .header__title {
        font-size: 1.05rem;
        white-space: nowrap;
    }
    
    .header__subtitle {
        font-size: 0.85rem;
    }
    
    .pet-selector {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pet-selector__label {
        min-width: auto;
    }
    
    .pet-selector__select {
        min-width: auto;
    }
    
    .quick-actions__buttons {
        flex-direction: column;
    }
    
    .quick-btn {
        min-width: auto;
    }
    
    .analysis-filters {
        grid-template-columns: 1fr;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .history-filters {
        grid-template-columns: 1fr;
    }
    
    .history-item__header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .behavior-form__actions,
    .pet-form__actions {
        flex-direction: column;
    }
    
    .pagination {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .bottom-nav {
        left: 0;
        right: 0;
        width: 100%;
        bottom: 0;
        transform: none;
        border-radius: 0;
        box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.08);
    }

    .analysis-summary {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--spacing-sm);
    }

    .summary-card {
        padding: var(--spacing-lg);
        min-height: auto;
    }

    .summary-card__value {
        font-size: 1.5rem;
    }

    .summary-card__percentage {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    :root {
        --header-offset: 105px;
    }
    .main {
        padding: var(--spacing-lg) 0;
    }
    
    .pet-form,
    .behavior-register,
    .analysis-filters,
    .history-filters {
        padding: var(--spacing-lg);
    }
    
    .section__header {
        margin-bottom: var(--spacing-lg);
    }

    .header__logo {
        width: clamp(55px, 24vw, 75px);
    }

    .header__branding {
        flex-direction: row;
        gap: var(--spacing-xs);
        flex-wrap: nowrap;
    }
    
    .header__text {
        align-items: flex-start;
        text-align: left;
    }
    
    .header__title {
        font-size: 0.95rem;
    }
    
    .header__subtitle {
        font-size: 0.8rem;
    }
    
    .analysis-summary {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--spacing-xs);
    }

    .summary-card {
        padding: var(--spacing-md);
    }

    .summary-card__value {
        font-size: 1.25rem;
    }
    
    .chart-container__canvas {
        height: 250px;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles for Better Accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-gray-medium: #999999;
        --color-gray-dark: #333333;
    }
    
    .navigation__button {
        border-width: 3px;
    }
    
    .input-group__input,
    .input-group__select,
    .input-group__textarea {
        border-width: 3px;
    }
}

/* Print Styles */
@media print {
    .navigation,
    .footer,
    .loading,
    .modal {
        display: none;
    }
    
    .main {
        padding: 0;
    }
    
    .section {
        display: block !important;
        page-break-inside: avoid;
    }
    
    .history-item {
        page-break-inside: avoid;
    }
}