/**
 * VCC Innovation Core - Public Styles
 * Design system matched to preview.html
 */

:root {
    --vcc-bg-primary: #FAFAFA;
    --vcc-bg-surface: #FFFFFF;
    --vcc-bg-elevated: #F2F4F8;
    --vcc-text-primary: #0F1419;
    --vcc-text-secondary: #536471;
    --vcc-text-muted: #8899A6;
    --vcc-accent: #00C9A7;
    --vcc-accent-gradient: linear-gradient(135deg, #00C9A7, #00E5FF);
    --vcc-accent-warm: #F0A030;
    --vcc-accent-hover: #00B396;
    --vcc-success: #00C9A7;
    --vcc-warning: #F0A030;
    --vcc-error: #FF4757;
    --vcc-info: #00E5FF;
    --vcc-border: rgba(15, 20, 25, 0.06);
    --vcc-shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 6px 16px rgba(0,0,0,0.04);
    --vcc-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --vcc-radius: 12px;
    --vcc-radius-sm: 8px;
    --vcc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --vcc-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ====== BASE BUTTONS ====== */

.vcc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: var(--vcc-radius-sm);
    font-family: var(--vcc-font);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1),
                box-shadow 0.5s cubic-bezier(0.23, 1, 0.32, 1),
                background-color 0.3s ease;
}

.vcc-btn:hover {
    transform: translateY(-2px);
}

.vcc-btn:active {
    transform: translateY(0);
}

.vcc-btn--primary {
    background: var(--vcc-accent);
    color: #fff;
    box-shadow: 0 8px 24px rgba(0, 201, 167, 0.3);
}

.vcc-btn--primary:hover {
    background: var(--vcc-accent-hover);
    box-shadow: 0 12px 32px rgba(0, 201, 167, 0.4);
    color: #fff;
}

.vcc-btn--primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.vcc-btn--secondary {
    background: transparent;
    color: var(--vcc-accent);
    border: 2px solid var(--vcc-accent);
}

.vcc-btn--secondary:hover {
    background: rgba(0, 201, 167, 0.05);
    color: var(--vcc-accent);
}

.vcc-btn--outline {
    background: transparent;
    border: 2px solid var(--vcc-accent);
    color: var(--vcc-accent);
}

.vcc-btn--outline:hover {
    background: var(--vcc-accent);
    color: #fff;
}

.vcc-btn--lg {
    padding: 16px 40px;
    font-size: 15px;
}

.vcc-btn--sm {
    padding: 8px 20px;
    font-size: 13px;
}

.vcc-btn--full {
    width: 100%;
}

.vcc-btn--icon {
    padding: 8px;
    background: transparent;
    border: 1px solid var(--vcc-border);
    border-radius: var(--vcc-radius-sm);
}

/* ====== AUTH PROMPT (for protected pages) ====== */

.vcc-auth-prompt {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 480px;
    margin: 3rem auto;
    font-family: var(--vcc-font);
}

.vcc-auth-prompt__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    background: var(--vcc-accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.vcc-auth-prompt__title {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--vcc-text-primary);
}

.vcc-auth-prompt__message {
    color: var(--vcc-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 15px;
}

.vcc-auth-prompt__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ====== SIGNUP NOTICE ====== */

.vcc-signup-notice {
    max-width: 540px;
    margin: 2rem auto;
    padding: 1.5rem 2rem;
    background: rgba(0, 201, 167, 0.08);
    border: 1px solid rgba(0, 201, 167, 0.25);
    border-radius: var(--vcc-radius);
    text-align: center;
    color: var(--vcc-text-primary);
    font-family: var(--vcc-font);
}

.vcc-signup-notice a {
    color: var(--vcc-accent);
    font-weight: 600;
    text-decoration: none;
}

.vcc-signup-notice a:hover {
    text-decoration: underline;
}