/* === Nous UI kit shared styles ===================================== */
@import url("./nous-tokens.css");

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body, #root { height: 100%; }
body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--surface-default);
}
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
button, input { color: inherit; }

/* shared atoms */
.nous-app { display: flex; height: 100vh; overflow: hidden; background: var(--surface-default); }
.nous-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.nous-scroll { flex: 1; overflow-y: auto; }

/* sidebar */
.nous-sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--surface-sidebar);
    border-right: 1px solid var(--surface-elevated);
    display: flex;
    flex-direction: column;
    padding: 16px 12px;
    flex-shrink: 0;
}
.nous-sidebar .logo-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 4px 16px 4px;
}
.nous-sidebar .lockup { display: flex; align-items: center; gap: 8px; }
.nous-sidebar .lockup-text { font-size: var(--fs-h3); color: var(--text-primary); }
.nous-sidebar .lockup-text strong { font-weight: var(--fw-medium); }
.nous-sidebar .lockup-text span.regular { font-weight: var(--fw-regular); }
.nous-sidebar .day-tag { font-size: var(--fs-small); color: var(--text-muted); }
.nous-sidebar nav { display: flex; flex-direction: column; gap: 2px; margin-bottom: 16px; }
.nous-sidebar .section-label {
    font-size: var(--fs-caption);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-label);
    color: var(--text-secondary);
    padding: 0 4px;
    margin-bottom: 8px;
}
.nous-sidebar .org-chip {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-button);
    background: var(--nous-purple-tint);
    border: 1px solid var(--nous-purple-border);
    color: var(--text-tertiary);
    font-size: var(--fs-small-plus);
    width: 100%;
}
.nous-sidebar .recents {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
}
.nous-sidebar .recents-list { display: flex; flex-direction: column; gap: 2px; }
.nous-sidebar .recent-item {
    text-align: left;
    background: transparent;
    border: 0;
    font-size: var(--fs-small-plus);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: var(--radius-button);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nous-sidebar .recent-item:hover { background: var(--surface-subtle); }
.nous-sidebar .footer { padding-top: 12px; border-top: 1px solid var(--surface-elevated); }
.nous-sidebar .user-row { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.nous-sidebar .avatar {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--nous-purple); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: var(--fs-small); font-weight: var(--fw-medium);
}
.nous-sidebar .trust {
    width: 100%; display: flex; align-items: center; gap: 8px;
    background: transparent; border: 0;
    color: var(--text-secondary); font-size: var(--fs-small);
    padding: 4px 4px;
}
.nous-sidebar .trust:hover { color: var(--text-primary); }
.nous-sidebar .secondary-nav {
    margin: 0 0 12px 0;
    padding-top: 12px;
    border-top: 1px solid var(--surface-elevated);
}

/* nav item */
.nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--radius-button);
    background: transparent;
    border: 0;
    font-size: var(--fs-button);
    color: var(--text-secondary);
    font-weight: var(--fw-regular);
    transition: background 120ms, color 120ms;
}
.nav-item:hover { background: var(--surface-subtle); color: var(--text-primary); }
.nav-item.active {
    background: var(--nous-purple-tint);
    color: var(--nous-purple);
    font-weight: var(--fw-semibold);
}
.nav-item .icon { display: inline-flex; width: 16px; height: 16px; flex-shrink: 0; }

/* button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-button);
    transition: all 120ms;
    border: 0;
    font-family: inherit;
    white-space: nowrap;
}
.btn--md { padding: 8px 14px; font-size: var(--fs-button); }
.btn--sm { padding: 6px 12px; font-size: var(--fs-button); }
.btn--lg { padding: 10px 20px; font-size: var(--fs-body); }
.btn--primary { background: var(--nous-purple); color: #fff; font-weight: var(--fw-medium); }
.btn--primary:hover { filter: brightness(1.1); }
.btn--primary:active { filter: brightness(0.95); }
.btn--secondary { background: transparent; border: 1px solid rgba(109,74,221,0.3); color: var(--nous-purple); font-weight: var(--fw-medium); }
.btn--secondary:hover { background: var(--nous-purple-tint); }
.btn--ghost { background: transparent; color: var(--text-tertiary); }
.btn--ghost:hover { background: var(--surface-subtle); }
.btn--full { width: 100%; justify-content: flex-start; }

/* header */
.nous-header {
    height: var(--header-height);
    padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--surface-elevated);
    background: var(--surface-default);
    flex-shrink: 0;
}
.nous-header .crumbs { display: flex; align-items: center; gap: 8px; font-size: var(--fs-small-plus); }
.nous-header .crumbs .crumb { color: var(--text-secondary); }
.nous-header .crumbs .crumb.last { color: var(--text-primary); font-weight: var(--fw-medium); }
.nous-header .crumbs .sep { color: var(--text-muted); }
.nous-header .actions { display: flex; align-items: center; gap: 12px; }

/* status pill */
.pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: var(--radius-full);
    font-size: var(--fs-small); font-weight: var(--fw-medium);
}
.pill--live     { background: var(--success-bg); color: var(--success-text); }
.pill--draft    { background: var(--surface-subtle); color: var(--text-secondary); }
.pill--paused   { background: var(--warning-bg);  color: var(--warning-text); }
.pill--category { background: var(--nous-purple-tint); color: var(--nous-purple); }
.pill--success  { background: var(--success-bg);  color: var(--success-text); }
.pill--warning  { background: var(--warning-bg);  color: var(--warning-text); }
.pill--danger   { background: var(--danger-bg);   color: var(--danger-text); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; }
.pill .dot--live    { background: var(--success); animation: nous-pulse 1.8s ease-in-out infinite; }
.pill .dot--paused  { background: var(--warning); }
.pill .dot--danger  { background: var(--danger); }
@keyframes nous-pulse { 50% { opacity: 0.35; } }

/* card */
.card-surface {
    background: var(--surface-default);
    border: 1px solid var(--surface-elevated);
    border-radius: var(--radius-card);
    padding: 20px;
}
.card-surface.unpadded { padding: 0; }

/* kpi */
.kpi-card .label {
    font-size: var(--fs-caption);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-label);
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.kpi-card .value {
    font-size: var(--fs-kpi);
    font-weight: var(--fw-medium);
    line-height: 1.1;
    margin-bottom: 4px;
}
.kpi-card .delta { font-size: var(--fs-small); margin-bottom: 4px; }
.kpi-card .delta.up   { color: var(--success); }
.kpi-card .delta.down { color: var(--danger); }
.kpi-card .subtitle { font-size: var(--fs-small-plus); color: var(--text-secondary); }
.kpi-color-danger  { color: var(--danger); }
.kpi-color-warning { color: var(--warning); }
.kpi-color-info    { color: var(--info); }
.kpi-color-success { color: var(--success); }
.kpi-color-neutral { color: var(--text-primary); }

/* input */
.text-input-wrap { display: flex; flex-direction: column; gap: 6px; }
.text-input-wrap label {
    font-size: var(--fs-caption);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-label);
}
.text-input {
    width: 100%;
    background: var(--surface-default);
    border: 1px solid var(--surface-elevated);
    border-radius: var(--radius-card);
    padding: 10px 14px;
    font-size: var(--fs-body);
    color: var(--text-primary);
    outline: 0;
    transition: border-color 120ms, box-shadow 120ms;
}
.text-input::placeholder { color: var(--text-muted); }
.text-input:focus { border-color: var(--nous-purple); box-shadow: var(--shadow-focus); }
.search-input {
    display: flex; align-items: center; gap: 8px;
    background: var(--surface-subtle);
    border-radius: var(--radius-button);
    padding: 8px 12px;
}
.search-input input {
    flex: 1; background: transparent; border: 0; outline: 0;
    font-size: var(--fs-small-plus); color: var(--text-primary);
}
.search-input input::placeholder { color: var(--text-muted); }

/* chat composer */
.composer {
    background: var(--surface-default);
    border: 1px solid var(--surface-elevated);
    border-radius: var(--radius-panel);
    padding: 12px 16px;
    display: flex; align-items: center; gap: 12px;
    transition: border-color 120ms, box-shadow 120ms;
}
.composer:focus-within { border-color: var(--nous-purple); box-shadow: var(--shadow-focus); }
.composer input {
    flex: 1; background: transparent; border: 0; outline: 0;
    font-size: var(--fs-body); color: var(--text-primary);
}
.composer input::placeholder { color: var(--text-muted); }
.composer-submit {
    width: 32px; height: 32px;
    border-radius: var(--radius-card);
    display: inline-flex; align-items: center; justify-content: center;
    border: 0;
    transition: background 120ms, color 120ms, filter 120ms;
}
.composer-submit.idle { background: var(--surface-elevated); color: var(--text-muted); cursor: not-allowed; }
.composer-submit.active { background: var(--nous-purple); color: #fff; }
.composer-submit.active:hover { filter: brightness(1.1); }

/* chat messages */
.chat-stream { display: flex; flex-direction: column; padding: 24px; gap: 0; max-width: 880px; margin: 0 auto; width: 100%; }
.msg-user-wrap { display: flex; justify-content: flex-end; margin-bottom: 16px; }
.msg-user {
    background: var(--surface-subtle);
    color: var(--text-primary);
    font-size: var(--fs-body);
    padding: 10px 14px;
    max-width: 70%;
    border-radius: 16px 16px 4px 16px;
}
.msg-assistant-wrap { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; max-width: 820px; }
.msg-assistant {
    font-size: var(--fs-body-lg);
    color: var(--text-primary);
    line-height: 1.6;
}
.msg-assistant strong { font-weight: var(--fw-medium); }
.streaming {
    display: flex; align-items: center; gap: 12px;
    color: var(--text-secondary);
    font-size: var(--fs-small-plus);
    margin-bottom: 16px;
}
.streaming .dots { display: flex; gap: 2px; }
.streaming .dots span {
    width: 4px; height: 4px; border-radius: 50%;
    background: var(--text-muted);
    animation: nous-pulse 1.2s ease-in-out infinite;
}
.streaming .dots span:nth-child(2) { animation-delay: 120ms; }
.streaming .dots span:nth-child(3) { animation-delay: 240ms; }
.streaming .elapsed { margin-left: auto; color: var(--text-muted); }

/* chat home empty state */
.chat-home {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 0 24px;
    max-width: 720px; margin: 0 auto; width: 100%;
}
.chat-home .mark { margin-bottom: 20px; }
.chat-home .greeting {
    font-size: var(--fs-h1);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    margin-bottom: 32px;
    text-align: center;
    letter-spacing: -0.01em;
}
.chat-home .composer-wrap { width: 100%; max-width: 640px; margin-bottom: 24px; }
.chat-home .shortcuts { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: center; }
.chat-home .shortcuts .label { font-size: var(--fs-small); color: var(--text-secondary); }
.category-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-button);
    border: 1px solid var(--surface-elevated);
    background: var(--surface-default);
    font-size: var(--fs-small-plus);
    color: var(--text-tertiary);
    transition: background 120ms;
}
.category-chip:hover { background: var(--surface-subtle); }
.category-chip .icon { color: var(--nous-purple); display: inline-flex; }

/* screens */
.screen-pad { padding: 24px; }
.screen-title {
    font-size: var(--fs-h2);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    margin-bottom: 6px;
}
.screen-sub { font-size: var(--fs-small-plus); color: var(--text-secondary); margin-bottom: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

/* composer bottom-fixed during a thread */
.composer-dock {
    padding: 16px 24px 24px;
    background: linear-gradient(to bottom, transparent, var(--surface-default) 30%);
    max-width: 880px;
    margin: 0 auto;
    width: 100%;
}

/* agent card */
.agent-card { display: flex; flex-direction: column; gap: 10px; }
.agent-card .head { display: flex; align-items: center; justify-content: space-between; }
.agent-card .name { font-size: var(--fs-body); font-weight: var(--fw-medium); color: var(--text-primary); }
.agent-card .desc { font-size: var(--fs-small-plus); color: var(--text-secondary); line-height: 1.5; }
.agent-card .meta { font-size: var(--fs-caption); color: var(--text-muted); font-family: var(--font-mono); }

/* bottlenecks bar (sample chart) */
.bottleneck-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.bottleneck-row:last-child { margin-bottom: 0; }
.bottleneck-row .step { width: 220px; font-size: var(--fs-small-plus); color: var(--text-primary); }
.bottleneck-row .bar-wrap { flex: 1; height: 8px; background: var(--surface-subtle); border-radius: 4px; overflow: hidden; display: block; }
.bottleneck-row .bar { display: block; height: 100%; background: var(--nous-purple); border-radius: 4px; }
.bottleneck-row .bar.danger  { background: var(--danger); }
.bottleneck-row .bar.warning { background: var(--warning); }
.bottleneck-row .val { width: 80px; text-align: right; font-size: var(--fs-small-plus); color: var(--text-secondary); font-family: var(--font-mono); }