:root {
    --primary: #4e73df;
    --second: #36b9cc;
    --success: #1cc88a;
    --info: #36b9cc;
    --warning: #f6c23e;
    --danger: #e74a3b;
    --dark: #5a5c69;
    --light: #f8f9fc;
    --white: #ffffff;
    --gray-100: #f8f9fc;
    --gray-200: #eaecf4;
    --gray-300: #dddfeb;
    --gray-400: #d1d3e2;
    --gray-500: #b7b9cc;
    --gray-600: #858796;
    --gray-700: #6e707e;
    --gray-800: #5a5c69;
    --gray-900: #3a3b45;
    
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.2);
    --glass-border: rgba(255, 255, 255, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
}

body {
    background: var(--light);
    color: var(--gray-900);
    overflow-x: hidden;
    min-height: 100vh;
}

#app {
    width: 100%;
    min-height: 100vh;
    background: var(--white);
    position: relative;
    overflow-x: hidden;
}

@media (min-width: 768px) {
    #app {
        max-width: 1000px;
        margin: 0 auto;
        box-shadow: 0 0 30px rgba(0,0,0,0.05);
        min-height: 100vh;
    }
}

/* Toast */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.9rem;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
}

.btn-primary {
    width: 100%;
    padding: 15px;
    border: none;
    background: var(--bg-gradient);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:active {
    transform: scale(0.98);
}

/* App-specific overrides */
body.is-app .bottom-nav {
    display: none !important;
}

body.is-app main {
    padding-bottom: 20px;
}