/* ChatDev — Thème néobrutaliste : bordures noires + ombre dure 4px + couleurs pastel */

:root {
    --input-focus:    #2d8cf0;
    --font-color:     #323232;
    --font-color-sub: #666;
    --bg-color:       beige;            /* #f5f5dc — inputs, boutons */
    --main-color:     black;
    --page-bg:        #fdf6e3;           /* parchemin */
    --surface:        #ffffff;
    --surface-soft:   lightblue;         /* #add8e6 — cartes form */
    --accent:         #ffd6e7;           /* bulles user */
    --accent-2:       #fff8dc;           /* bulles assistant — cornsilk */
    --danger-bg:      #ffb1b1;
    --code-bg:        #f7f3e3;
    --shadow:         4px 4px 0 var(--main-color);
    --shadow-active:  0 0 0 var(--main-color);
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    padding: 0;
    background: var(--page-bg);
    color: var(--font-color);
    font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    min-height: 100vh;
}
a { color: var(--input-focus); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: #1a6cc0; }

/* ---------- Input style neobrutalist ---------- */
.input {
    width: 100%;
    max-width: 320px;
    height: 44px;
    border-radius: 5px;
    border: 2px solid var(--main-color);
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    font-size: 15px;
    font-weight: 600;
    color: var(--font-color);
    padding: 5px 12px;
    outline: none;
    font-family: inherit;
}
.input::placeholder {
    color: var(--font-color-sub);
    opacity: 0.8;
}
.input:focus {
    border: 2px solid var(--input-focus);
}

/* ---------- Boutons ---------- */
.btn-primary,
.button-confirm {
    cursor: pointer;
    min-width: 120px;
    height: 44px;
    border-radius: 5px;
    border: 2px solid var(--main-color);
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    font-size: 16px;
    font-weight: 700;
    color: var(--font-color);
    padding: 0 18px;
    font-family: inherit;
    transition: transform .07s ease, box-shadow .07s ease;
}
.btn-primary:active,
.button-confirm:active,
.btn-primary.is-pressed,
.button-confirm.is-pressed {
    box-shadow: var(--shadow-active);
    transform: translate(4px, 4px);
}
.btn-primary:disabled,
.button-confirm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-ghost {
    cursor: pointer;
    background: var(--surface);
    color: var(--font-color);
    border: 2px solid var(--main-color);
    border-radius: 5px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow);
    transition: transform .07s, box-shadow .07s;
}
.btn-ghost:active {
    box-shadow: var(--shadow-active);
    transform: translate(4px, 4px);
}

/* ---------- Bouton rond (social/icon) ---------- */
.button-log {
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 100%;
    border: 2px solid var(--main-color);
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    color: var(--font-color);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    transition: transform .07s, box-shadow .07s;
    text-decoration: none;
}
.button-log:active {
    box-shadow: var(--shadow-active);
    transform: translate(4px, 4px);
}
.button-log.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(0.7);
}
.button-log svg { width: 22px; height: 22px; }
.icon { fill: var(--main-color); }

/* ---------- Alertes ---------- */
.alert {
    background: var(--danger-bg);
    border: 2px solid var(--main-color);
    color: var(--font-color);
    padding: 10px 14px;
    border-radius: 5px;
    box-shadow: var(--shadow);
    font-size: 14px;
    font-weight: 600;
    margin: 10px 0 18px;
}

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--page-bg); }
::-webkit-scrollbar-thumb {
    background: var(--bg-color);
    border: 2px solid var(--main-color);
    border-radius: 6px;
}