:root {
    --primary-color: #4caf50;
    --primary-light: #e8f5e9;
    --primary-dark: #388e3c;
    --text-main: #333333;
    --text-secondary: #757575;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --danger: #f44336;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 60px; /* space for bottom nav */
}

a {
    text-decoration: none;
    color: inherit;
}

/* App Header */
.app-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.app-header.light {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}
.app-header h1 {
    font-size: 1.2rem;
    font-weight: bold;
}
.app-header .back-btn {
    font-size: 1.2rem;
    cursor: pointer;
}

/* Containers */
.container {
    padding: 15px;
}

/* Card */
.card {
    background: var(--white);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Disclaimer */
.disclaimer {
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    color: #2e7d32;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.disclaimer i {
    margin-top: 3px;
}

/* Grid Layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Search Bar (Fake) */
.search-bar-fake {
    background: var(--white);
    border-radius: 20px;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    margin: 15px 0;
    cursor: pointer;
}
.search-bar-fake i:first-child {
    margin-right: 10px;
}
.search-bar-fake .btn-search {
    margin-left: auto;
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
}

/* Menu Items */
.menu-item {
    background: var(--white);
    border-radius: 12px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    cursor: pointer;
    margin-bottom: 15px;
}
.menu-item .icon {
    font-size: 1.5rem;
}
.menu-item .content {
    flex: 1;
}
.menu-item h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}
.menu-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.menu-item .arrow {
    color: #ccc;
}

/* Bottom Nav */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    z-index: 100;
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.nav-item.active {
    color: var(--primary-color);
}
.nav-item i {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

/* List Items */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}
.list-item:last-child {
    border-bottom: none;
}
.list-item.hot .title::after {
    content: "🔥";
    margin-left: 5px;
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 25px;
    width: 100%;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
}
.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 12px;
    border-radius: 25px;
    width: 100%;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
}

/* Form */
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}
.form-group textarea, .form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    resize: none;
    font-family: inherit;
}
