/* Kwanza Tukule - Minimal Location Sharing */

:root {
    --kwanza-yellow: #F7DC00;
    --kwanza-green: #4CAF50;
    --kwanza-dark-green: #2E7D33;
    --white: #FFFFFF;
    --dark-text: #1A1A1A;
    --gray-text: #666666;
    --light-gray: #F5F5F5;
    --error-red: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--kwanza-yellow) 0%, #FFF59D 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 360px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Header */
.header {
    background: var(--kwanza-green);
    color: var(--white);
    padding: 20px;
    text-align: center;
}

.shop-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Main Content */
.main-content {
    padding: 40px 30px;
    text-align: center;
}

.location-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: 8px;
}

.description {
    color: var(--gray-text);
    font-size: 0.95rem;
    margin-bottom: 30px;
    line-height: 1.4;
}

/* Share Button - The Main CTA */
.share-btn {
    background: var(--kwanza-green);
    color: var(--white);
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
    margin-bottom: 20px;
}

.share-btn:hover {
    background: var(--kwanza-dark-green);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
}

.share-btn:active {
    transform: translateY(0);
}

.share-btn:disabled {
    background: #CCCCCC;
    color: #999999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Usage Info */
.usage-info {
    color: var(--gray-text);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

#remainingUses {
    color: var(--kwanza-green);
    font-weight: 600;
}

/* States - Hidden by default */
.state {
    display: none;
    padding: 40px 30px;
    text-align: center;
}

/* Show main content by default, hide states */
.main-content {
    display: block;
}

.loading-state,
.success-state,
.error-state {
    display: none;
}

/* Loading State */
.loading-state {
    background: var(--light-gray);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #E0E0E0;
    border-top: 3px solid var(--kwanza-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-state p {
    color: var(--gray-text);
    font-weight: 500;
}

/* Success State */
.success-state {
    background: var(--light-gray);
}

.checkmark {
    font-size: 3rem;
    margin-bottom: 15px;
}

.success-state h3 {
    color: var(--kwanza-green);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.success-state p {
    color: var(--gray-text);
}

/* Error State */
.error-state {
    background: var(--light-gray);
}

.warning {
    font-size: 3rem;
    margin-bottom: 15px;
}

.error-state h3 {
    color: var(--error-red);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.error-state p {
    color: var(--gray-text);
    margin-bottom: 20px;
}

.retry-btn {
    background: var(--kwanza-yellow);
    color: var(--dark-text);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.retry-btn:hover {
    background: #F5D400;
    transform: translateY(-1px);
}

/* Initial Loading State */
.initial-loading {
    padding: 60px 30px;
    text-align: center;
}

.initial-loading .spinner {
    margin-bottom: 20px;
}

.initial-loading h3 {
    color: var(--dark-text);
    margin-bottom: 8px;
}

.initial-loading p {
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* Mobile Optimization */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .container {
        max-width: 100%;
    }
    
    .main-content {
        padding: 30px 25px;
    }
    
    .title {
        font-size: 1.3rem;
    }
    
    .share-btn {
        padding: 16px 30px;
        font-size: 1rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .location-icon {
        animation: none;
    }
    
    .spinner {
        animation: none;
    }
    
    * {
        transition: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .container {
        border: 2px solid var(--dark-text);
    }
    
    .share-btn {
        border: 2px solid var(--kwanza-dark-green);
    }
}