/* ============================================
   LAYOUT & BASE STYLES
   Locked down with !important to override all page-specific styles
   ============================================ */

/* --------------------------------------------
   Design tokens (global variables)
   -------------------------------------------- */
:root {
    --bg: #ffffff;
    --text: #111111;
    --muted: #666666;
    --accent: #2b6cb0;
    --border: #e5e7eb;
    --highlight: #f8fafc;
    --radius: 8px;
    /* H1 font options: 'Playfair Display', 'Lora', 'Space Grotesk', 'Roboto Slab', 'Manrope' */
    /* Note: Satoshi is a premium font and requires self-hosting */
    --h1-font: 'Manrope', sans-serif;
}

body {
    box-sizing: border-box !important;
    position: relative !important;
    margin: 0 !important;
    padding: 0 !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', 'EmojiOne Color', sans-serif !important;
    width: 100% !important;
    min-height: 100vh !important;
    overflow-x: hidden !important;
    background: #f8f9fa !important;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--h1-font, 'Roboto Slab'), sans-serif !important;
}

body *,
body *::before,
body *::after {
    box-sizing: border-box !important;
}

/* --------------------------------------------
   Safe utilities (global)
   -------------------------------------------- */
/* Respect accessibility: only reveal outlines when navigating by keyboard */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Hide purely presentational/conditional elements */
[hidden] { display: none !important; }

/* Screen-reader only utility */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 1px, 1px) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Media defaults */
img, svg, video { 
    display: block; 
    max-width: 100%; 
    height: auto; 
}

/* Main container - consistent across all pages */
.main-container {
    box-sizing: border-box !important;
    position: relative !important;
    max-width: 800px !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 2rem 1rem 0 1rem !important;
}

/* Header - contains back button and auth buttons */
.header {
    position: relative !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    margin-bottom: 2rem !important;
    padding: 0 1rem !important;
    min-height: 40px !important;
    width: 100% !important;
    display: block !important; /* Explicit block to avoid flex conflicts */
    box-sizing: border-box !important;
}

/* Back button - positioned in top-left of header */
.header .back-btn {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    margin: 0 !important;
    margin-bottom: 0 !important;
    padding: 0.5rem 1rem !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    color: var(--muted) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    font-size: 0.9rem !important;
    line-height: 1 !important;
    border-radius: 6px !important;
    transition: var(--transition, all 0.25s ease) !important;
    z-index: 10 !important;
}

.header .back-btn:hover {
    color: var(--accent) !important;
    background: var(--highlight) !important;
    transform: translateX(-2px) !important;
}

.header .back-btn::before {
    content: '←' !important;
    font-size: 1.1rem !important;
    line-height: 1 !important;
    display: inline-block !important;
    transition: transform 0.2s ease !important;
}

.header .back-btn:hover::before {
    transform: translateX(-2px) !important;
}

/* Auth UI wrapper - positioned in top-right of header */
.header .auth-ui-wrapper {
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 0.5rem !important;
    z-index: 10 !important;
}

/* ============================================
   AUTH UI COMPONENTS
   ============================================ */

/* Button styles */
.login-btn, .user-btn { 
    position: relative !important; 
    background: var(--accent, #2b6cb0) !important; 
    color: #fff !important; 
    border: none !important; 
    border-radius: 6px !important; 
    padding: 0.45rem 0.9rem !important; 
    font-size: 0.9rem !important; 
    cursor: pointer !important; 
    transition: all 0.25s ease !important; 
    display: inline-flex; /* No !important - allow JavaScript to control visibility */
    align-items: center !important; 
    gap: 6px !important; 
    flex-shrink: 0 !important;
}

.login-btn:hover, .user-btn:hover { 
    background-color: #1e4f8a !important; 
}

.user-menu { 
    position: absolute !important; 
    top: 2.2rem !important; 
    right: 0 !important; 
    background: #fff !important; 
    border: 1px solid var(--border, #e5e7eb) !important; 
    border-radius: var(--radius, 8px) !important; 
    box-shadow: 0 4px 18px rgba(0,0,0,0.08) !important; 
    padding: 0.4rem !important; 
    min-width: 220px !important; 
    display: none; /* No !important - allow JavaScript to control visibility */
    z-index: 1001 !important; 
}

.user-menu a, .user-menu button { 
    display: block !important; 
    width: 100% !important; 
    text-align: left !important; 
    padding: 0.55rem 0.75rem !important; 
    background: none !important; 
    border: none !important; 
    color: var(--text, #111) !important; 
    text-decoration: none !important; 
    border-radius: 6px !important; 
    font-size: 0.95rem !important; 
    cursor: pointer !important; 
}

.user-menu a:hover, .user-menu button:hover { 
    background: var(--highlight, #f8fafc) !important; 
}

/* Mobile auth buttons - ensure consistent styling across pages */
@media (max-width: 600px) {
    .login-btn, .user-btn {
        position: static !important;
        background: var(--accent, #2b6cb0) !important;
        color: #fff !important;
        border: none !important;
        border-radius: 8px !important;
        padding: 0.4rem 0.8rem !important;
        font-weight: 500 !important;
        font-size: 0.9rem !important;
        margin: 0 !important;
        width: auto !important;
        flex-shrink: 0 !important;
    }
}

/* ============================================
   RN+ CTA STYLING - Microsoft AI processing gradient border animation
   ============================================ */

.user-menu .rn-plus-cta {
    background: #ffffff;
    color: #111;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    margin: 0.4rem auto;
    padding: 0.6rem 0.8rem;
    text-align: center;
    position: relative;
    overflow: visible;
    display: block;
    line-height: 1.4;
    width: calc(100% - 0.8rem);
    max-width: 200px;
    isolation: isolate;
}

.user-menu .rn-plus-cta::before {
    display: none;
}

.user-menu .rn-plus-cta strong {
    display: block;
    font-size: 1.05em;
    will-change: background-position;
    animation: aiGradientText 3s ease-in-out forwards, aiGradientTextFlow 4s linear 3s infinite;
}

.user-menu .rn-plus-cta small {
    display: block;
    font-weight: 500;
    font-size: 0.85em;
    opacity: 0.95;
    margin-top: 0.2em;
    will-change: background-position;
    animation: aiGradientText 3s ease-in-out forwards, aiGradientTextFlow 4s linear 3s infinite;
}

.user-menu .rn-plus-cta:hover {
    transform: translateY(-1px);
}


/* Removed unused gradient border/flow keyframes for performance */

@keyframes aiGradientText {
    0% {
        background: linear-gradient(
            90deg,
            #ff00ff 0%,
            #ff00ff 15%,
            #ff1744 30%,
            #d946ef 50%,
            #7b2ff7 70%,
            #d946ef 85%,
            #ff00ff 100%
        );
        background-size: 200% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: transparent;
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
        background: linear-gradient(
            90deg,
            #ff00ff 0%,
            #ff00ff 15%,
            #ff1744 30%,
            #d946ef 50%,
            #7b2ff7 70%,
            #d946ef 85%,
            #ff00ff 100%
        );
        background-size: 200% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: transparent;
    }
}

@keyframes aiGradientTextFlow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}