/* ====================================================
    PALETTE & TYPO — modifie uniquement ces variables
    pour personnaliser tout le rendu graphique.
    ==================================================== */
:root {

    /* Couleurs (globales) */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-black-alpha: #111827ee;
    --color-white-alpha: #ffffffee;
    --color-gray-100: #f3f4f6;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-700: #374151;
    --color-gray-900: #111827;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-800: #1e293b;
    --color-slate-900: #161f2c;
    --color-green-100: #ecfccb;
    --color-green-300: #d1e576;
    --color-green-400: #b6d434;
    --color-green-500: #7c982f;
    --color-green-700: #57680d;
    --color-green-900: #364106;
    --color-blue-100: #dbeafe;
    --color-blue-300: #93c5fd;
    --color-blue-400: #5294ff;
    --color-blue-500: #146af5;
    --color-blue-700: #1d4ed8;
    --color-blue-900: #1e3a8a;
    --color-pink-100: #fce7f3;
    --color-pink-300: #f9a8d4;
    --color-pink-500: #f1498f;
    --color-pink-700: #be185d;
    --color-red-100: #fee2e2;
    --color-red-300: #fca5a5;
    --color-red-700: #b91c1c;
    --color-yellow-100: #fef3c7;
    --color-yellow-300: #fcd34d;
    --color-yellow-500: #e7b924;
    --color-orange: #e44d26;
    --color-orange-300: #eaa800;
    --color-hotpink: #ff69b4;
    --color-green-alsa: #acc737;

    --bg: #EDEEF0;
    --panel: #F7F8F9;
    --ink: #1D2126;
    --ink-soft: #5B6470;
    --line: #D7DADD;
    --accent: var(--color-blue-500);
    --accent-ink: var(--color-slate-800);
    --accent-invert: var(--color-white);
    --user-rail: var(--color-blue-900);
    --bot-rail: var(--color-green-900);
    --error: var(--color-red-700);
    --radius: 1rem;
    --font-mono: ui-monospace, "SF Mono", Menlo, "JetBrains Mono", monospace;
    --font-sans: -apple-system, "SF Pro Text", "Helvetica Neue", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    display: flex;
    flex-direction: column;
}

/* ---- header ---- */
header {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .85rem 1.25rem;
    /* border-bottom: 1px solid var(--line); */
    background: var(--panel);
    font-size: 1rem;
}

header .tag {
    font-family: var(--font-mono);
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

header select {
    font-family: var(--font-mono);
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    padding: .3rem .5rem;
    border-radius: var(--radius);
}

.status {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: .4rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    color: var(--ink-soft);
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ink-soft);
}

.dot.ok {
    background: var(--accent);
}

.dot.err {
    background: var(--error);
}

/* ---- log ---- */
main {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.msg {
    display: flex;
    gap: .75rem;
    max-width: 760px;
}

.msg.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.msg.bot {
    align-items: flex-start;
}

/* .rail {
    width: 3px;
    border-radius: 2px;
    flex-shrink: 0;
} */

.msg.user .rail {
    background: var(--user-rail);
}

.avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.bubble {
    background: var(--panel);
    border: 2px solid var(--line);
    border-radius: var(--radius);
    padding: .65rem .9rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.msg.user .bubble {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
}

.bubble strong {
    font-weight: 700;
}

.bubble blockquote {
    margin: .4rem 0;
    padding: .1rem .75rem;
    border-left: 3px solid var(--line);
    color: var(--ink-soft);
}

.bubble blockquote:first-child {
    margin-top: 0;
}

.bubble blockquote:last-child {
    margin-bottom: 0;
}

.meta {
    font-family: var(--font-mono);
    font-size: .65rem;
    color: var(--ink-soft);
    margin-bottom: .25rem;
    letter-spacing: .04em;
}

/* ---- input ---- */
footer {
    /* border-top: 1px solid var(--line); */
    background: var(--panel);
    padding: 1.5rem 1.25rem;
    display: flex;
    gap: .6rem;
    align-items: flex-end;
}

textarea {
    flex: 1;
    resize: none;
    max-height: 160px;
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: .55rem .7rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    border-radius: var(--radius);
}

textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

button {
    font-family: var(--font-mono);
    font-size: 1rem;
    /* text-transform: uppercase; */
    letter-spacing: .05em;
    background: var(--accent);
    color: var(--accent-invert);
    border: none;
    border-radius: var(--radius);
    padding: .6rem 1rem;
    cursor: pointer;
}

button:disabled {
    opacity: .5;
    cursor: default;
}

button:hover:not(:disabled) {
    filter: brightness(0.95);
}