:root {
    /* Color palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(45deg, #ff6b6b, #feca57);
    --compass-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --white: #ffffff;
    --error-red: #e74c3c;
    --text-dark: #333;
    --text-medium: #555;
    --text-light: #777;
    --border-light: #eee;
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 25px;
    --spacing-xxl: 30px;
    
    /* Border radius */
    --radius-sm: 10px;
    --radius-md: 15px;
    --radius-lg: 25px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 5px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 10px 30px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-sm: 1rem;
    --font-size-md: 1.1rem;
    --font-size-lg: 1.2rem;
    --font-size-xl: 1.4rem;
    --font-size-xxl: 2.5rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--primary-gradient);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
    padding-top: 80px; /* Space for fixed navbar */
}

/* Navigation bar styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.nav-container {
    margin: 0;
    padding: 0 var(--spacing-lg);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.nav-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    text-shadow: none;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
}

/* Search section styles */
.search-section {
    margin-bottom: var(--spacing-xxl);
}

.search-container {
    display: flex;
    gap: var(--spacing-md);
    width: 100%;
}

#addressInput {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-md);
    border: none;
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-md);
    outline: none;
    transition: all var(--transition-medium);
    font-family: var(--font-family);
}

#addressInput:focus {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border: 2px solid #667eea;
}

#addressInput:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

#addressInput::placeholder {
    color: #999;
    font-style: italic;
}

#searchBtn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-md);
    background: var(--secondary-gradient);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-medium);
    font-weight: 600;
    font-family: var(--font-family);
    min-width: 100px;
    white-space: nowrap;
}

#searchBtn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

#searchBtn:active:not(:disabled) {
    transform: translateY(0);
}

#searchBtn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

#searchBtn:focus {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

.loading {
    text-align: center;
    color: var(--white);
    font-size: var(--font-size-md);
    margin-top: var(--spacing-md);
    opacity: 0.8;
}

.hidden {
    display: none !important;
}

/* Results section styles */
.results-section {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: var(--spacing-xxl);
}

.results-container {
    width: 100%;
}

.results, .error {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
}

.results h3 {
    color: #2c3e50;
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-xl);
    font-weight: 600;
    text-align: center;
}

.result-item {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
}

.result-item:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.result-item:last-of-type {
    border-bottom: none;
    margin-bottom: var(--spacing-xl);
}

.result-item label {
    display: block;
    font-weight: 600;
    color: var(--text-medium);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.result-item span {
    display: block;
    color: var(--text-dark);
    font-size: var(--font-size-md);
    word-wrap: break-word;
    line-height: 1.4;
}

.direction {
    font-weight: bold;
    font-size: var(--font-size-xl);
    color: var(--error-red);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

/* Simplified compass styles */
.direction-indicator {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.compass {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: var(--compass-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.compass-needle {
    width: 4px;
    height: 60px;
    background: linear-gradient(to top, var(--white) 0%, var(--error-red) 50%, var(--white) 100%);
    border-radius: 2px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: center bottom;
    transform: translate(-50%, -100%);
    box-shadow: var(--shadow-sm);
}

.compass-labels {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.compass-labels span {
    position: absolute;
    font-weight: bold;
    color: var(--white);
    font-size: var(--font-size-md);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.compass-n {
    top: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
}

.compass-e {
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
}

.compass-s {
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
}

.compass-w {
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
}

.confidence-info {
    margin-top: var(--spacing-xl);
    color: var(--text-light);
    font-style: italic;
    font-size: 0.9rem;
    line-height: 1.4;
    text-align: center;
}

/* Error styles */
.error {
    background: #ffe6e6;
    border-left: 4px solid var(--error-red);
}

.error h3 {
    color: var(--error-red);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.error p {
    color: #666;
    line-height: 1.5;
    text-align: center;
}

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

/* Focus visible for better keyboard navigation */
button:focus-visible,
input:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Mobile responsive design */
@media (max-width: 768px) {
    :root {
        --font-size-xl: 1.2rem;
        --spacing-lg: 15px;
    }

    body {
        padding-top: 70px; /* Adjust for smaller navbar */
    }

    .navbar {
        height: 60px;
    }

    .nav-title {
        font-size: var(--font-size-lg);
    }

    .container {
        min-height: calc(100vh - 70px);
        padding: var(--spacing-md);
        max-width: 100%;
    }

    .search-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    #searchBtn {
        width: 100%;
    }

    .results, .error {
        padding: var(--spacing-lg);
    }

    .result-item {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .direction {
        font-size: var(--font-size-lg);
    }

    .compass {
        width: 120px;
        height: 120px;
    }

    .compass-needle {
        height: 45px;
    }

    .compass-labels span {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }

    body {
        padding-top: 60px; /* Smaller navbar on mobile */
    }

    .navbar {
        height: 50px;
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .nav-title {
        font-size: var(--font-size-md);
    }

    .container {
        min-height: calc(100vh - 60px);
    }

    #addressInput {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    #searchBtn {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .results, .error {
        padding: var(--spacing-md);
    }

    .results h3 {
        font-size: var(--font-size-lg);
    }

    .result-item {
        margin-bottom: var(--spacing-sm);
    }

    .result-item label {
        font-size: var(--font-size-sm);
    }

    .result-item span {
        font-size: var(--font-size-sm);
    }

    .compass {
        width: 100px;
        height: 100px;
    }

    .compass-needle {
        height: 35px;
    }

    .compass-labels span {
        font-size: 0.8rem;
    }

    .confidence-info {
        font-size: 0.8rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 5px 25px rgba(0, 0, 0, 0.4);
        --shadow-xl: 0 10px 30px rgba(0, 0, 0, 0.4);
    }
    
    .result-item {
        border-bottom-color: #ccc;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .search-section {
        display: none;
    }
    
    .results-section {
        margin-top: 0;
    }
    
    .results {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}