/* Widget flutuante "Matheus" — portado do site OPSRA de referência
   (opsra/css/sales-agent.css), mesmo visual escuro/anti-cyan. Classes
   com prefixo "nr-agent-" (mesmo nome de lá, só pra reaproveitar sem
   reescrever tudo), IDs prefixados "matheus-" pra não colidir com nada
   do resto do site. */
:root {
    --nr-agent-bg: rgb(10, 10, 10);
    --nr-agent-bg-elevated: rgb(20, 20, 20);
    --nr-agent-border: rgb(38, 38, 38);
    --nr-agent-accent: rgb(15, 119, 255);
    --nr-agent-accent-dim: rgba(15, 119, 255, 0.14);
    --nr-agent-text: rgb(255, 255, 255);
    --nr-agent-text-muted: rgba(255, 255, 255, 0.55);
    --nr-agent-radius: 4px;
    --nr-agent-font: 'Inter', system-ui, sans-serif;
}

@keyframes nrAgentFabReveal {
    from { opacity: 0; transform: scale(.6); pointer-events: none; }
    to { opacity: 1; transform: scale(1); pointer-events: auto; }
}

#matheus-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999998;
    width: 60px;
    height: 60px;
    opacity: 0;
    pointer-events: none;
    animation: nrAgentFabReveal .5s ease-out 1.5s forwards;
    border-radius: 50%;
    background: var(--nr-agent-bg-elevated);
    border: 1px solid var(--nr-agent-border);
    color: var(--nr-agent-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
#matheus-fab:hover {
    transform: scale(1.06);
    box-shadow: 0 0 20px rgba(15, 119, 255, 0.35), 0 8px 30px rgba(0, 0, 0, 0.5);
    background: var(--nr-agent-bg);
}
#matheus-fab::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 50%;
    border: 1px solid rgba(15, 119, 255, 0.5);
    animation: nrAgentPulse 2.4s infinite ease-out;
    pointer-events: none;
}
#matheus-fab.nr-open::after { display: none; }
@keyframes nrAgentPulse {
    0% { transform: scale(1); opacity: .6; }
    100% { transform: scale(1.5); opacity: 0; }
}
#matheus-fab svg { width: 26px; height: 26px; display: block; }
#matheus-fab svg.nr-icon-close,
#matheus-fab.nr-open svg.nr-icon-chat { display: none; }
#matheus-fab.nr-open svg.nr-icon-close { display: block; }

.nr-agent-fab-tooltip {
    position: absolute;
    right: calc(100% + 14px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--nr-agent-bg-elevated);
    border: 1px solid var(--nr-agent-border);
    color: var(--nr-agent-text);
    font-family: var(--nr-agent-font);
    font-size: 10px;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 8px 12px;
    border-radius: var(--nr-agent-radius);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
}
#matheus-fab:hover .nr-agent-fab-tooltip { opacity: 1; }
#matheus-fab.nr-open .nr-agent-fab-tooltip { display: none; }

#matheus-panel {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999999;
    width: min(400px, calc(100vw - 32px));
    height: min(620px, calc(100dvh - 48px));
    background: var(--nr-agent-bg);
    border: 1px solid var(--nr-agent-border);
    border-radius: 8px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-family: var(--nr-agent-font);
    opacity: 0;
    transform: translateY(24px) scale(.96);
    pointer-events: none;
    visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}
#matheus-panel.nr-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    visibility: visible;
}
@media (max-width: 600px) {
    #matheus-panel {
        bottom: 0; right: 0; left: 0;
        width: 100%;
        height: min(88dvh, 620px);
        border-radius: 12px 12px 0 0;
    }
}

.nr-agent-header {
    background: var(--nr-agent-bg-elevated);
    border-bottom: 1px solid var(--nr-agent-border);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}
.nr-agent-header-info { display: flex; align-items: center; gap: 12px; }
.nr-agent-avatar {
    width: 38px; height: 38px;
    border-radius: var(--nr-agent-radius);
    background: var(--nr-agent-accent-dim);
    border: 1px solid rgba(15, 119, 255, 0.4);
    color: var(--nr-agent-accent);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.nr-agent-header h4 {
    margin: 0;
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--nr-agent-text);
    font-weight: 700;
}
.nr-agent-status {
    display: flex; align-items: center; gap: 6px; margin-top: 5px;
    font-size: 9px; letter-spacing: .13em; text-transform: uppercase;
    color: var(--nr-agent-accent);
}
.nr-agent-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--nr-agent-accent);
    box-shadow: 0 0 8px rgba(15, 119, 255, .8);
    animation: nrDotPulse 1.6s infinite ease-in-out;
    flex-shrink: 0;
}
@keyframes nrDotPulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

#matheus-close {
    width: 32px; height: 32px;
    border-radius: var(--nr-agent-radius);
    background: transparent;
    border: 1px solid var(--nr-agent-border);
    color: var(--nr-agent-text-muted);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .2s ease;
    flex-shrink: 0;
    padding: 0;
}
#matheus-close:hover { color: var(--nr-agent-text); border-color: var(--nr-agent-accent); }

.nr-agent-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background:
        radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.035) 1px, transparent 0) 0 0/22px 22px,
        var(--nr-agent-bg);
}
.nr-agent-msg { display: flex; gap: 10px; max-width: 88%; }
.nr-agent-msg.nr-user { align-self: flex-end; flex-direction: row-reverse; }
.nr-agent-msg-avatar {
    width: 26px; height: 26px;
    border-radius: var(--nr-agent-radius);
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--nr-agent-border);
}
.nr-agent-msg.nr-ai .nr-agent-msg-avatar { color: var(--nr-agent-accent); background: var(--nr-agent-bg-elevated); }
.nr-agent-msg.nr-user .nr-agent-msg-avatar { color: var(--nr-agent-bg); background: var(--nr-agent-text); border-color: var(--nr-agent-text); }
.nr-agent-msg-bubble {
    font-size: 12.5px;
    line-height: 1.55;
    padding: 11px 14px;
    border-radius: var(--nr-agent-radius);
    border: 1px solid var(--nr-agent-border);
    color: var(--nr-agent-text);
    background: var(--nr-agent-bg-elevated);
    white-space: pre-wrap;
}
.nr-agent-msg.nr-user .nr-agent-msg-bubble {
    background: var(--nr-agent-text);
    color: rgb(10, 14, 13);
    border-color: var(--nr-agent-text);
    font-weight: 600;
}

.nr-agent-typing {
    display: flex; align-items: center; gap: 10px;
    font-size: 9px; letter-spacing: .13em; text-transform: uppercase;
    color: var(--nr-agent-text-muted);
    padding-left: 2px;
}
.nr-agent-spinner {
    width: 14px; height: 14px; border-radius: 50%;
    border: 2px solid var(--nr-agent-border);
    border-top-color: var(--nr-agent-accent);
    animation: nrSpin .8s linear infinite;
    flex-shrink: 0;
}
@keyframes nrSpin { to { transform: rotate(360deg); } }

.nr-agent-quick-actions {
    display: flex;
    gap: 8px;
    padding: 12px 20px;
    overflow-x: auto;
    border-top: 1px solid var(--nr-agent-border);
    flex-shrink: 0;
}
.nr-agent-quick-actions::-webkit-scrollbar { height: 0; }
.nr-agent-chip {
    white-space: nowrap;
    padding: 7px 12px;
    border-radius: var(--nr-agent-radius);
    border: 1px solid var(--nr-agent-border);
    background: transparent;
    color: var(--nr-agent-text-muted);
    font-family: var(--nr-agent-font);
    font-size: 9px;
    letter-spacing: .1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all .2s ease;
}
.nr-agent-chip:hover { color: var(--nr-agent-accent); border-color: var(--nr-agent-accent); }

.nr-agent-input-row {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--nr-agent-border);
    background: var(--nr-agent-bg-elevated);
    flex-shrink: 0;
}
#matheus-input {
    flex: 1;
    background: var(--nr-agent-bg);
    border: 1px solid var(--nr-agent-border);
    border-radius: var(--nr-agent-radius);
    color: var(--nr-agent-text);
    font-family: var(--nr-agent-font);
    font-size: 12px;
    padding: 0 14px;
    height: 42px;
    outline: none;
    transition: border-color .2s ease;
}
#matheus-input::placeholder { color: var(--nr-agent-text-muted); }
#matheus-input:focus { border-color: var(--nr-agent-accent); }

#matheus-send {
    width: 42px; height: 42px;
    border-radius: var(--nr-agent-radius);
    flex-shrink: 0;
    background: var(--nr-agent-text);
    border: 1px solid var(--nr-agent-text);
    color: rgb(10, 14, 13);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: all .2s ease;
}
#matheus-send:hover:not(:disabled) { background: var(--nr-agent-accent); border-color: var(--nr-agent-accent); }
#matheus-send:disabled { opacity: .4; cursor: not-allowed; }

.nr-agent-messages::-webkit-scrollbar { width: 4px; }
.nr-agent-messages::-webkit-scrollbar-thumb { background: var(--nr-agent-border); border-radius: 4px; }