/* ============================================================
   AssignmentAgent — Component CSS
   Ported from Gadfly Workbench mockup + legacy preserved styles
   ============================================================ */

/* --- Global font rendering -------------------------------- */
body {
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* --- Text selection gold tint (mockup §selection) --------- */
::selection {
    background: rgba(128, 0, 32, 0.14);
}

/* --- Display font feature settings (mockup .font-display) - */
.font-display {
    font-feature-settings: "ss01";
    letter-spacing: -0.005em;
}

/* --- Global scrollbar (mockup *::-webkit-scrollbar) ------- */
*::-webkit-scrollbar {
    width:  9px;
    height: 9px;
}
*::-webkit-scrollbar-thumb {
    background:         rgba(44, 42, 41, 0.18);
    border-radius:      5px;
    border:             2px solid transparent;
    background-clip:    content-box;
}
*::-webkit-scrollbar-thumb:hover {
    background:      rgba(44, 42, 41, 0.30);
    background-clip: content-box;
}
*::-webkit-scrollbar-track {
    background: transparent;
}

/* --- Mockup animation classes ------------------------------ */
/* transform-only so content is ALWAYS painted even if throttled */
@keyframes animIn {
    from { transform: translateY(6px); }
    to   { transform: translateY(0); }
}
.anim-in { animation: animIn 0.26s cubic-bezier(0.22, 1, 0.36, 1); }

@keyframes animFade {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.anim-fade { animation: animFade 0.2s ease-out; }

@keyframes animSlideL {
    from { transform: translateX(28px); opacity: 0.4; }
    to   { transform: translateX(0);    opacity: 1;   }
}
.anim-slide-l { animation: animSlideL 0.26s cubic-bezier(0.22, 1, 0.36, 1); }

@keyframes animPop {
    from { transform: scale(0.975) translateY(8px); opacity: 0.6; }
    to   { transform: scale(1) translateY(0);       opacity: 1;   }
}
.anim-pop { animation: animPop 0.24s cubic-bezier(0.22, 1, 0.36, 1); }

/* Reduced-motion guard — suppresses all four classes */
@media (prefers-reduced-motion: reduce) {
    .anim-in,
    .anim-fade,
    .anim-slide-l,
    .anim-pop { animation: none; }
}

/* --- Parchment texture overlay (still referenced in templates) --- */
.parchment-bg {
    background-color: #f4f3f0;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(var(--brand-accent), 0.07) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(var(--brand-primary), 0.04) 0%, transparent 50%);
}

/* --- Gold-bordered card component (still referenced in templates) --- */
.card-gold {
    background: white;
    border: 1px solid rgba(var(--brand-accent), 0.55);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(44, 42, 41, 0.08), 0 1px 2px rgba(var(--brand-accent), 0.10);
}

.card-gold-hover:hover {
    border-color: rgba(var(--brand-accent-600), 0.75);
    box-shadow:   0 4px 12px rgba(44, 42, 41, 0.10), 0 2px 4px rgba(var(--brand-accent), 0.15);
}

/* --- Chat container scrollbar (gold accent, slim) ---------- */
#chat-messages {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--brand-accent), 0.55) transparent;
}
#chat-messages::-webkit-scrollbar       { width: 6px; }
#chat-messages::-webkit-scrollbar-thumb {
    background:    rgba(var(--brand-accent), 0.55);
    border-radius: 3px;
}
#chat-messages::-webkit-scrollbar-track { background: transparent; }

/* --- Session list scrollbar -------------------------------- */
#session-list::-webkit-scrollbar       { width: 4px; }
#session-list::-webkit-scrollbar-thumb {
    background:    rgba(var(--brand-accent), 0.55);
    border-radius: 2px;
}
#session-list::-webkit-scrollbar-track { background: transparent; }

/* --- Message appear animation ------------------------------ */
.msg-appear {
    animation: msgFadeIn 0.2s ease-out;
}

@keyframes msgFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Delete / rename button visibility on session hover ---- */
.session-item .delete-btn,
.session-item .rename-btn {
    opacity: 0;
    transition: opacity 0.15s;
}
.session-item:hover .delete-btn,
.session-item:hover .rename-btn {
    opacity: 1;
}

/* --- Streaming cursor blink -------------------------------- */
.streaming::after {
    content:      "\25AE";
    animation:    cursorBlink 0.7s steps(1) infinite;
    margin-left:  1px;
    color:        rgba(var(--brand-accent), 1);
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* --- Form focus rings in primary --------------------------- */
input:focus, textarea:focus, select:focus {
    outline:    none;
    box-shadow: 0 0 0 2px rgba(var(--brand-primary), 0.25);
    border-color: rgba(var(--brand-primary), 1) !important;
}

/* --- Code styling — JetBrains Mono ------------------------- */
code {
    font-family:  "JetBrains Mono", "Fira Code", "Cascadia Code", "SF Mono", "Consolas", monospace;
    font-size:    0.85em;
    background:   rgba(44, 42, 41, 0.06);
    border:       1px solid rgba(var(--brand-accent), 0.35);
    border-radius: 3px;
    padding:      0.1em 0.35em;
    color:        #2c2a29;
}

/* Code inside user (maroon) bubbles */
.bg-maroon code {
    background:   rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color:        #fff;
}

pre {
    margin:  0.5em 0;
    padding: 0;
}

pre code {
    display:     block;
    padding:     0.75em 1em;
    background:  #1e1e1e;
    color:       #d4d4d4;
    border:      1px solid rgba(var(--brand-accent), 0.25);
    border-radius: 6px;
    overflow-x:  auto;
    font-size:   0.82em;
    line-height: 1.5;
}

.bg-maroon pre code {
    background:   rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
    color:        #e0e0e0;
}

/* --- Context gauge pulse (exhausted state) ----------------- */
@keyframes gaugePulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}
.gauge-pulse {
    animation: gaugePulse 1s ease-in-out infinite;
}

/* --- Gold divider line ------------------------------------- */
.divider-gold {
    border-bottom: 1px solid rgba(var(--brand-accent), 1);
}

/* --- Primary link hover ------------------------------------ */
a.link-maroon {
    color:      rgba(var(--brand-primary), 1);
    transition: color 0.15s;
}
a.link-maroon:hover {
    color: rgba(var(--brand-primary-700), 1);
}

/* --- Details / summary chevron rotation ------------------- */
details[open] .details-chevron {
    transform: rotate(90deg);
}
details summary::-webkit-details-marker,
details summary::marker {
    display: none;
    content: "";
}

/* --- Disabled button base state ---------------------------- */
button:disabled {
    opacity: 0.5;
}