/* website/assets/css/style.css */

/* --- 1. Design System: Variables --- */
:root {
    /* Color Palette - Lấy cảm hứng từ màu sắc hoàng hôn, chuyên nghiệp và ấm áp */
    --primary-color: #6D6875; /* Muted Violet */
    --secondary-color: #B5838D; /* Muted Rose */
    --accent-color: #E5989B; /* Lighter Rose */
    --background-color: #F7F7F7; /* Off-white */
    --card-background: #FFFFFF;
    --border-color: #E1E1E1;

    /* Text Colors */
    --text-primary: #333333;
    --text-secondary: #555555;
    --text-muted: #888888;
    --text-on-primary: #FFFFFF; /* Text on dark backgrounds */
    
    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* UI Elements */
    --border-radius: 0.5rem;
    --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    --card-shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.08);
    --transition-speed: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

[data-bs-theme="dark"] {
    --primary-color: #A9A4B3;
    --secondary-color: #C7A0A8;
    --accent-color: #E6B5B7;
    --background-color: #1A1A2E; /* Deep Blue */
    --card-background: #162447; /* Navy Blue */
    --border-color: #2F3C7E;

    --text-primary: #F0F0F0;
    --text-secondary: #CCCCCC;
    --text-muted: #999999;
}


/* --- 2. Global Styles & Resets --- */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--background-color);
    color: var(--text-secondary);
    font-family: var(--font-family-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}
a:hover {
    color: var(--secondary-color);
}

/* Ghi đè các class utility của Bootstrap */
.text-muted {
    color: var(--text-muted) !important;
}
.text-danger {
    color: var(--secondary-color) !important;
}


/* --- 3. Component Styles --- */

/* Navbar */
.navbar {
    background-color: var(--card-background) !important;
    box-shadow: var(--card-shadow);
    transition: background-color var(--transition-speed);
}
.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
}
.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color var(--transition-speed);
}
.nav-link.active, .nav-link:hover {
    color: var(--secondary-color) !important;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: 0;
    transition: all var(--transition-speed);
}
.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--text-on-primary);
    background-size: 200% auto;
}
.btn-primary:hover, .btn-primary:focus {
    color: var(--text-on-primary);
    background-position: right center; /* change the direction of the change here */
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    background-color: var(--card-background);
    transition: all var(--transition-speed);
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
}
.product-card .card-img-top {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* Forms */
.form-control, .form-select {
    border-radius: var(--border-radius);
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    transition: all var(--transition-speed);
}
.form-control::placeholder {
    color: var(--text-muted);
}
.form-control:focus, .form-select:focus {
    background-color: var(--card-background);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(181, 131, 141, 0.25);
    color: var(--text-primary);
}

/* Footer */
footer.bg-body-tertiary {
    background-color: var(--card-background) !important;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Hero Section on Index */
.hero-section {
    background: linear-gradient(120deg, var(--primary-color), var(--secondary-color));
    color: var(--text-on-primary);
    border-radius: var(--border-radius);
}
.hero-section h1 {
    color: var(--text-on-primary);
    font-weight: 700;
}
.hero-section .form-control {
     background-color: rgba(255, 255, 255, 0.95);
}
.hero-section .btn {
    background: var(--card-background);
    color: var(--primary-color);
}
.hero-section .btn:hover {
     background: #fff;
     box-shadow: var(--card-shadow-hover);
}