/**
 * Nyaderm Pages - Common Styles
 *
 * Shared styles, variables, and utilities for all custom pages.
 */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Colors */
    --nyaderm-primary: #8b5cf6;
    --nyaderm-primary-dark: #7c3aed;
    --nyaderm-secondary: #06b6d4;
    --nyaderm-accent: #f59e0b;

    --nyaderm-text: #1f2937;
    --nyaderm-text-light: #4b5563;
    --nyaderm-text-muted: #6b7280;

    --nyaderm-bg: #ffffff;
    --nyaderm-bg-alt: #f9fafb;
    --nyaderm-bg-dark: #111827;

    --nyaderm-border: #e5e7eb;
    --nyaderm-border-dark: #d1d5db;

    /* Success / Error / Warning */
    --nyaderm-success: #10b981;
    --nyaderm-error: #ef4444;
    --nyaderm-warning: #f59e0b;
    --nyaderm-info: #3b82f6;

    /* Spacing */
    --nyaderm-spacing-xs: 0.25rem;
    --nyaderm-spacing-sm: 0.5rem;
    --nyaderm-spacing-md: 1rem;
    --nyaderm-spacing-lg: 1.5rem;
    --nyaderm-spacing-xl: 2rem;
    --nyaderm-spacing-2xl: 3rem;
    --nyaderm-spacing-3xl: 4rem;

    /* Typography */
    --nyaderm-font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --nyaderm-font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;

    --nyaderm-font-size-xs: 0.75rem;
    --nyaderm-font-size-sm: 0.875rem;
    --nyaderm-font-size-base: 1rem;
    --nyaderm-font-size-lg: 1.125rem;
    --nyaderm-font-size-xl: 1.25rem;
    --nyaderm-font-size-2xl: 1.5rem;
    --nyaderm-font-size-3xl: 2rem;

    /* Layout */
    --nyaderm-container-width: 1200px;
    --nyaderm-container-narrow: 800px;

    /* Shadows */
    --nyaderm-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --nyaderm-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --nyaderm-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --nyaderm-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

    /* Border Radius */
    --nyaderm-radius-sm: 4px;
    --nyaderm-radius: 8px;
    --nyaderm-radius-lg: 12px;
    --nyaderm-radius-full: 9999px;

    /* Transitions */
    --nyaderm-transition-fast: 150ms ease;
    --nyaderm-transition: 200ms ease;
    --nyaderm-transition-slow: 300ms ease;

    /* Z-index layers */
    --nyaderm-z-dropdown: 100;
    --nyaderm-z-sticky: 200;
    --nyaderm-z-modal: 300;
    --nyaderm-z-tooltip: 400;
}

/* ========================================
   Base Reset for Nyaderm Pages
   ======================================== */
[class^="nyaderm-"],
[class*=" nyaderm-"] {
    box-sizing: border-box;
}

[class^="nyaderm-"] *,
[class*=" nyaderm-"] * {
    box-sizing: inherit;
}

/* ========================================
   Typography Utilities
   ======================================== */
.nyaderm-text-center { text-align: center; }
.nyaderm-text-left { text-align: left; }
.nyaderm-text-right { text-align: right; }

.nyaderm-text-primary { color: var(--nyaderm-primary); }
.nyaderm-text-muted { color: var(--nyaderm-text-muted); }
.nyaderm-text-success { color: var(--nyaderm-success); }
.nyaderm-text-error { color: var(--nyaderm-error); }

/* ========================================
   Spacing Utilities
   ======================================== */
.nyaderm-mt-0 { margin-top: 0; }
.nyaderm-mt-sm { margin-top: var(--nyaderm-spacing-sm); }
.nyaderm-mt-md { margin-top: var(--nyaderm-spacing-md); }
.nyaderm-mt-lg { margin-top: var(--nyaderm-spacing-lg); }
.nyaderm-mt-xl { margin-top: var(--nyaderm-spacing-xl); }

.nyaderm-mb-0 { margin-bottom: 0; }
.nyaderm-mb-sm { margin-bottom: var(--nyaderm-spacing-sm); }
.nyaderm-mb-md { margin-bottom: var(--nyaderm-spacing-md); }
.nyaderm-mb-lg { margin-bottom: var(--nyaderm-spacing-lg); }
.nyaderm-mb-xl { margin-bottom: var(--nyaderm-spacing-xl); }

/* ========================================
   Layout Utilities
   ======================================== */
.nyaderm-container {
    width: 100%;
    max-width: var(--nyaderm-container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--nyaderm-spacing-md);
    padding-right: var(--nyaderm-spacing-md);
}

.nyaderm-container--narrow {
    max-width: var(--nyaderm-container-narrow);
}

.nyaderm-flex {
    display: flex;
}

.nyaderm-flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nyaderm-grid {
    display: grid;
    gap: var(--nyaderm-spacing-md);
}

/* ========================================
   Button Base Styles
   ======================================== */
.nyaderm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--nyaderm-spacing-sm);
    padding: var(--nyaderm-spacing-sm) var(--nyaderm-spacing-lg);
    font-family: inherit;
    font-size: var(--nyaderm-font-size-base);
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    border: none;
    border-radius: var(--nyaderm-radius);
    cursor: pointer;
    transition: all var(--nyaderm-transition);
}

.nyaderm-btn--primary {
    background: var(--nyaderm-primary);
    color: #fff;
}

.nyaderm-btn--primary:hover {
    background: var(--nyaderm-primary-dark);
}

.nyaderm-btn--outline {
    background: transparent;
    border: 2px solid var(--nyaderm-border-dark);
    color: var(--nyaderm-text);
}

.nyaderm-btn--outline:hover {
    border-color: var(--nyaderm-primary);
    color: var(--nyaderm-primary);
}

/* ========================================
   Card Component
   ======================================== */
.nyaderm-card {
    background: var(--nyaderm-bg);
    border-radius: var(--nyaderm-radius-lg);
    box-shadow: var(--nyaderm-shadow);
    padding: var(--nyaderm-spacing-lg);
}

/* ========================================
   Visibility Utilities
   ======================================== */
.nyaderm-hidden {
    display: none !important;
}

.nyaderm-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   Loading States
   ======================================== */
.nyaderm-loading {
    position: relative;
    pointer-events: none;
}

.nyaderm-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes nyaderm-spin {
    to { transform: rotate(360deg); }
}

.nyaderm-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--nyaderm-border);
    border-top-color: var(--nyaderm-primary);
    border-radius: 50%;
    animation: nyaderm-spin 0.8s linear infinite;
}

/* ========================================
   Responsive Breakpoints Reference
   ======================================== */
/*
 * Mobile: max-width: 640px
 * Tablet: max-width: 768px
 * Desktop: max-width: 1024px
 * Wide: max-width: 1280px
 */

@media (max-width: 768px) {
    :root {
        --nyaderm-spacing-xl: 1.5rem;
        --nyaderm-spacing-2xl: 2rem;
        --nyaderm-spacing-3xl: 2.5rem;
    }
}