:root {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --purple: #8b5cf6;
    --cyan: #06b6d4;
    --pink: #ec4899;
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
}

img {
    max-width: 100%;
}

a {
    text-decoration: none;
}

button,
input,
textarea,
select {
    font-family: inherit;
}

/* Toast */
.toast {
    position: fixed;
    top: calc(20px + env(safe-area-inset-top));
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: white;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    max-width: 90%;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
    color: #1a1a1a;
}

.toast-message {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
}

.toast.success {
    border-left: 4px solid #00b894;
}

.toast.error {
    border-left: 4px solid #e17055;
}

.toast.info {
    border-left: 4px solid #3b82f6;
}