/* File: css/style.css - Stylesheet chính của ứng dụng */

:root {
    /* Màu sắc chính */
    --primary-dark: #191970;    /* Xanh dương đậm - màu chủ đạo */
    --primary-light: #6a6acd;   /* Xanh dương nhạt */
    --accent: #9370db;          /* Tím nhạt - màu nhấn */
    --text-light: #e6e6fa;      /* Văn bản sáng */
    --text-dark: #333;          /* Văn bản tối */
    --background: #120a29;      /* Nền tối */
    --card-bg: rgba(25, 25, 112, 0.7); /* Nền thẻ */
    
    /* Kích thước và khoảng cách */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-light);
    background-color: var(--background);
    background-image: url('../images/backgrounds/stars.jpg');
    background-size: cover;
    background-attachment: fixed;
    line-height: 1.6;
}

.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: rgba(25, 25, 112, 0.8);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
    text-shadow: 0 0 10px rgba(147, 112, 219, 0.8);
}

main {
    flex: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.form-container {
    width: 100%;
    max-width: 600px;
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.input-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary-light);
    background-color: rgba(230, 230, 250, 0.1);
    color: var(--text-light);
    font-size: 1rem;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 8px rgba(147, 112, 219, 0.6);
}

.btn-submit {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--accent);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--spacing-lg);
}

.btn-submit:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.results-container {
    width: 100%;
    max-width: 800px;
}

.tabs {
    display: flex;
    margin-bottom: var(--spacing-md);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    background-color: rgba(25, 25, 112, 0.5);
    color: var(--text-light);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:first-child {
    border-top-left-radius: var(--radius-md);
}

.tab-btn:last-child {
    border-top-right-radius: var(--radius-md);
}

.tab-btn.active {
    background-color: var(--card-bg);
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

.result-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--spacing-lg);
}

.result-card h2 {
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-size: 1.5rem;
    text-shadow: 0 0 8px rgba(147, 112, 219, 0.6);
}

.basic-info {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(147, 112, 219, 0.3);
}

.reading-content {
    line-height: 1.7;
}

.zodiac-image {
    text-align: center;
    margin: var(--spacing-md) 0;
}

.zodiac-image img {
    width: 100px;
    height: 100px;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.btn-action {
    flex: 1;
    padding: var(--spacing-sm);
    border: none;
    border-radius: var(--radius-sm);
    background-color: var(--primary-light);
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-action:hover {
    background-color: var(--accent);
    transform: translateY(-2px);
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(18, 10, 41, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loader {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(147, 112, 219, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

.hidden {
    display: none;
}

footer {
    text-align: center;
    padding: var(--spacing-md);
    background-color: rgba(25, 25, 112, 0.8);
    font-size: 0.9rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    main {
        padding: var(--spacing-md);
    }
    
    .form-container, .results-container {
        padding: var(--spacing-md);
    }
    
    .action-buttons {
        flex-direction: column;
    }
}
header {
    background-color: rgba(25, 25, 112, 0.8);
    padding: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
    text-shadow: 0 0 10px rgba(147, 112, 219, 0.8);
}

.settings-button {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

.settings-button:hover {
    color: var(--accent);
    transform: translateY(-50%) scale(1.1);
}