/* Thai Fonts Optimization for EvA Cloud */

/* Import Thai Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@100;200;300;400;500;600;700;800;900&family=Sarabun:wght@100;200;300;400;500;600;700;800&display=swap');

/* Thai Font Variables */
:root {
    --thai-font-primary: 'Noto Sans Thai', sans-serif;
    --thai-font-secondary: 'Sarabun', sans-serif;
    --thai-font-fallback: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Base Thai Font Settings */
body {
    font-family: var(--thai-font-primary), var(--thai-font-secondary), var(--thai-font-fallback);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "liga" 1, "kern" 1;
}

/* Thai Typography Scale */
.thai-text-xs { font-size: 0.75rem; line-height: 1.4; }
.thai-text-sm { font-size: 0.875rem; line-height: 1.5; }
.thai-text-base { font-size: 1rem; line-height: 1.7; }
.thai-text-lg { font-size: 1.125rem; line-height: 1.6; }
.thai-text-xl { font-size: 1.25rem; line-height: 1.5; }
.thai-text-2xl { font-size: 1.5rem; line-height: 1.4; }
.thai-text-3xl { font-size: 1.875rem; line-height: 1.3; }
.thai-text-4xl { font-size: 2.25rem; line-height: 1.2; }
.thai-text-5xl { font-size: 3rem; line-height: 1.1; }

/* Thai Font Weights */
.thai-light { font-weight: 300; }
.thai-normal { font-weight: 400; }
.thai-medium { font-weight: 500; }
.thai-semibold { font-weight: 600; }
.thai-bold { font-weight: 700; }
.thai-extrabold { font-weight: 800; }

/* Thai Headings */
.thai-heading-1 {
    font-family: var(--thai-font-primary);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.thai-heading-2 {
    font-family: var(--thai-font-primary);
    font-size: 2.25rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.thai-heading-3 {
    font-family: var(--thai-font-primary);
    font-size: 1.875rem;
    font-weight: 600;
    line-height: 1.4;
}

.thai-heading-4 {
    font-family: var(--thai-font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
}

.thai-heading-5 {
    font-family: var(--thai-font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.5;
}

.thai-heading-6 {
    font-family: var(--thai-font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.5;
}

/* Thai Body Text */
.thai-body {
    font-family: var(--thai-font-primary), var(--thai-font-secondary);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.8;
}

.thai-body-large {
    font-family: var(--thai-font-primary), var(--thai-font-secondary);
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1.7;
}

.thai-body-small {
    font-family: var(--thai-font-primary), var(--thai-font-secondary);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.6;
}

/* Thai UI Elements */
.thai-button {
    font-family: var(--thai-font-primary);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.thai-input {
    font-family: var(--thai-font-primary), var(--thai-font-secondary);
    font-size: 1rem;
    font-weight: 400;
}

.thai-label {
    font-family: var(--thai-font-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Thai Navigation */
.thai-nav {
    font-family: var(--thai-font-primary);
    font-weight: 500;
    letter-spacing: 0.01em;
}

/* Thai Footer */
.thai-footer {
    font-family: var(--thai-font-primary), var(--thai-font-secondary);
    font-weight: 400;
    line-height: 1.6;
}

/* Responsive Thai Typography */
@media (max-width: 768px) {
    .thai-heading-1 { font-size: 2.25rem; }
    .thai-heading-2 { font-size: 1.875rem; }
    .thai-heading-3 { font-size: 1.5rem; }
    .thai-heading-4 { font-size: 1.25rem; }
    .thai-heading-5 { font-size: 1.125rem; }
    .thai-heading-6 { font-size: 1rem; }
    
    .thai-body { font-size: 0.875rem; }
    .thai-body-large { font-size: 1rem; }
    .thai-body-small { font-size: 0.75rem; }
}

/* Thai Font Loading Optimization */
.thai-font-loading {
    font-family: var(--thai-font-fallback);
    opacity: 0.8;
}

.thai-font-loaded {
    font-family: var(--thai-font-primary), var(--thai-font-secondary), var(--thai-font-fallback);
    opacity: 1;
    transition: opacity 0.3s ease;
}