:root {
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --color-text-primary: hsl(0, 0%, 98%);
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Grotesk', monospace;
}

.project-assistant-shell {
    position: fixed;
    right: clamp(16px, 3vw, 28px);
    bottom: calc(var(--assistant-safe-offset, 24px) + env(safe-area-inset-bottom));
    z-index: 1105;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    pointer-events: none;
    isolation: isolate;
}

.project-assistant-shell>* {
    pointer-events: auto;
}

.project-assistant-toggle {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 64px;
    padding: 8px 14px 8px 8px;
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(145deg, rgba(14, 16, 24, 0.96), rgba(9, 11, 17, 0.92));
    box-shadow:
        0 18px 45px rgba(0, 0, 0, 0.42),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    color: var(--color-text-primary);
    cursor: pointer;
    overflow: hidden;
    transition:
        transform 0.25s var(--ease-smooth),
        border-color 0.25s var(--ease-smooth),
        box-shadow 0.25s var(--ease-smooth),
        background 0.25s var(--ease-smooth);
}

.project-assistant-toggle:hover,
.project-assistant-toggle:focus-visible,
.project-assistant-shell[data-open="true"] .project-assistant-toggle {
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow:
        0 22px 55px rgba(0, 0, 0, 0.5),
        0 0 28px rgba(99, 102, 241, 0.18);
}

.assistant-toggle-orb {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.44), rgba(99, 102, 241, 0.24) 34%, rgba(99, 102, 241, 0.08) 66%, transparent 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 1px 10px rgba(255, 255, 255, 0.18), 0 0 28px rgba(99, 102, 241, 0.28);
    font-size: 1rem;
    flex-shrink: 0;
}

.assistant-toggle-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    min-width: 0;
    max-width: 154px;
    overflow: hidden;
    transition: max-width 0.28s var(--ease-smooth), gap 0.28s var(--ease-smooth);
}

.assistant-toggle-title {
    font-family: var(--font-display);
    font-size: 0.96rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.assistant-toggle-subtitle {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(6px);
    font-size: 0.76rem;
    color: rgba(255, 255, 255, 0.66);
    line-height: 1.35;
    transition:
        max-height 0.28s var(--ease-smooth),
        opacity 0.2s var(--ease-smooth),
        transform 0.28s var(--ease-smooth);
}

@media (hover: hover) and (pointer: fine) {
    .project-assistant-toggle:hover .assistant-toggle-copy,
    .project-assistant-toggle:focus-visible .assistant-toggle-copy {
        max-width: 260px;
        gap: 4px;
    }

    .project-assistant-toggle:hover .assistant-toggle-subtitle,
    .project-assistant-toggle:focus-visible .assistant-toggle-subtitle {
        max-height: 42px;
        opacity: 1;
        transform: translateY(0);
    }
}

.project-assistant-shell[data-open="true"] .assistant-toggle-copy {
    max-width: 260px;
    gap: 4px;
}

.project-assistant-shell[data-open="true"] .assistant-toggle-subtitle {
    max-height: 42px;
    opacity: 1;
    transform: translateY(0);
}

.project-assistant-panel {
    position: relative;
    width: min(468px, calc(100vw - 32px));
    min-width: 420px;
    max-width: min(680px, calc(100vw - 32px));
    height: min(720px, calc(100vh - var(--assistant-safe-offset, 24px) - 28px));
    min-height: 560px;
    max-height: calc(100vh - var(--assistant-safe-offset, 24px) - 28px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 26px;
    background:
        linear-gradient(180deg, rgba(10, 12, 18, 0.98) 0%, rgba(7, 9, 15, 0.96) 100%),
        radial-gradient(circle at top left, rgba(99, 102, 241, 0.14), transparent 46%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 30px 70px rgba(0, 0, 0, 0.48),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(18px) scale(0.98);
    transform-origin: bottom right;
    transition:
        opacity 0.24s var(--ease-smooth),
        transform 0.24s var(--ease-smooth),
        visibility 0.24s;
}

.project-assistant-shell[data-open="true"] .project-assistant-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.assistant-panel-header {
    display: grid;
    gap: 10px;
    padding: 14px 16px 10px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
}

.assistant-panel-topline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.assistant-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 4px;
}

.assistant-panel-title {
    font-size: clamp(1.15rem, 1.8vw, 1.45rem);
    letter-spacing: -0.03em;
}

.assistant-panel-subtitle {
    max-width: 24ch;
    margin-top: 4px;
    font-size: 0.82rem;
    line-height: 1.35;
    color: rgba(255, 255, 255, 0.66);
}

.assistant-close {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s var(--ease-smooth), transform 0.2s var(--ease-smooth);
}

.assistant-close:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.assistant-panel-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.assistant-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    background: rgba(99, 102, 241, 0.08);
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.82);
}

.assistant-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #72f0a6;
    box-shadow: 0 0 14px rgba(114, 240, 166, 0.7);
    animation: assistantPulse 1.9s ease-in-out infinite;
}

.assistant-panel-caption {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.5);
}

.assistant-suggestions {
    display: flex;
    gap: 8px;
    padding: 8px 16px 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.assistant-suggestions::-webkit-scrollbar {
    display: none;
}

.assistant-chip {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.78rem;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.2s var(--ease-smooth), border-color 0.2s var(--ease-smooth), background 0.2s var(--ease-smooth);
}

.assistant-chip:hover {
    transform: translateY(-1px);
    border-color: rgba(99, 102, 241, 0.36);
    background: rgba(99, 102, 241, 0.1);
}

.assistant-messages {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

.assistant-message {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-width: 88%;
}

.assistant-message[data-role="assistant"] {
    align-self: flex-start;
}

.assistant-message[data-role="user"] {
    align-self: flex-end;
    align-items: flex-end;
}

.assistant-bubble {
    padding: 14px 16px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.65;
    white-space: normal;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.assistant-plain-text {
    white-space: pre-wrap;
}

.assistant-rich-text {
    display: grid;
    gap: 0.72rem;
}

.assistant-rich-text>* {
    margin: 0;
}

.assistant-rich-text p,
.assistant-rich-text li,
.assistant-rich-text blockquote {
    color: inherit;
}

.assistant-rich-text h3,
.assistant-rich-text h4,
.assistant-rich-text h5 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: var(--color-text-primary);
}

.assistant-rich-text h3 {
    font-size: 1.02rem;
}

.assistant-rich-text h4,
.assistant-rich-text h5 {
    font-size: 0.94rem;
}

.assistant-rich-text ul,
.assistant-rich-text ol {
    display: grid;
    gap: 0.42rem;
    padding-left: 1.2rem;
    margin: 0;
}

.assistant-rich-text li::marker {
    color: rgba(200, 208, 255, 0.9);
}

.assistant-rich-text strong {
    font-weight: 700;
    color: var(--color-text-primary);
}

.assistant-rich-text em {
    font-style: italic;
    color: rgba(255, 255, 255, 0.88);
}

.assistant-rich-text a {
    color: rgba(199, 210, 254, 0.96);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.16em;
}

.assistant-rich-text code {
    display: inline-block;
    padding: 0.08rem 0.42rem;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.83em;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.assistant-rich-text pre {
    margin: 0;
    padding: 12px 14px;
    border-radius: 14px;
    overflow-x: auto;
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.assistant-rich-text pre code {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    font-size: 0.81rem;
    line-height: 1.55;
    white-space: pre;
}

.assistant-rich-text blockquote {
    padding-left: 0.9rem;
    border-left: 2px solid rgba(99, 102, 241, 0.34);
    color: rgba(255, 255, 255, 0.76);
}

.assistant-message[data-role="assistant"] .assistant-bubble {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.92);
}

.assistant-message[data-role="user"] .assistant-bubble {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.22), rgba(74, 83, 255, 0.14));
    border: 1px solid rgba(99, 102, 241, 0.24);
    color: rgba(255, 255, 255, 0.96);
}

.assistant-message-label {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    padding: 0 4px;
}

.assistant-sources {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding: 0 2px;
}

.assistant-source-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.74rem;
    transition: border-color 0.2s var(--ease-smooth), color 0.2s var(--ease-smooth), transform 0.2s var(--ease-smooth);
}

.assistant-source-link:hover {
    border-color: rgba(99, 102, 241, 0.36);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

.assistant-composer {
    padding: 12px 16px 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(7, 9, 15, 0.6), rgba(7, 9, 15, 0.96));
}

.assistant-form {
    display: grid;
    gap: 10px;
}

.assistant-input-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: end;
    padding: 10px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: border-color 0.2s var(--ease-smooth), box-shadow 0.2s var(--ease-smooth);
}

.assistant-input-wrap:focus-within {
    border-color: rgba(99, 102, 241, 0.34);
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.14);
}

.assistant-input {
    width: 100%;
    min-height: 46px;
    max-height: 160px;
    resize: none;
    overflow-y: auto;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--color-text-primary);
    font: inherit;
    line-height: 1.5;
    padding: 4px 2px;
}

.assistant-input::placeholder {
    color: rgba(255, 255, 255, 0.42);
}

.assistant-send {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    border: 1px solid rgba(99, 102, 241, 0.26);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.24), rgba(99, 102, 241, 0.14));
    color: var(--color-text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s var(--ease-smooth), background 0.2s var(--ease-smooth), border-color 0.2s var(--ease-smooth);
}

.assistant-send:hover {
    transform: translateY(-1px);
    border-color: rgba(99, 102, 241, 0.42);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.34), rgba(99, 102, 241, 0.2));
}

.assistant-send:disabled,
.assistant-chip:disabled {
    opacity: 0.5;
    cursor: wait;
    transform: none;
}

.assistant-disclaimer {
    font-size: 0.73rem;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.46);
}

.assistant-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.assistant-counter {
    min-width: 52px;
    text-align: right;
    transition: color 0.2s ease;
}

.assistant-counter[data-state="warning"] {
    color: rgba(255, 213, 128, 0.88);
}

.assistant-counter[data-state="limit"] {
    color: rgba(255, 159, 159, 0.94);
}

.assistant-resize-handle {
    position: absolute;
    left: 12px;
    top: 12px;
    width: 18px;
    height: 18px;
    border: 0;
    background: transparent;
    padding: 0;
    cursor: nwse-resize;
    opacity: 0.62;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.assistant-resize-handle::before,
.assistant-resize-handle::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.4);
    transform: rotate(-45deg);
    transform-origin: center;
}

.assistant-resize-handle::before {
    width: 12px;
    height: 2px;
    top: 5px;
}

.assistant-resize-handle::after {
    width: 18px;
    height: 2px;
    top: 10px;
}

body.assistant-resizing,
body.assistant-resizing * {
    cursor: nwse-resize !important;
    user-select: none !important;
}

.assistant-typing {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.assistant-typing span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.58);
    animation: assistantTyping 0.95s ease-in-out infinite;
}

.assistant-typing span:nth-child(2) {
    animation-delay: 0.15s;
}

.assistant-typing span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes assistantTyping {
    0%,
    80%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    40% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

@keyframes assistantPulse {
    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.15);
        opacity: 1;
    }
}

@media (max-width: 767px) {
    .project-assistant-shell {
        right: 12px;
        left: 12px;
        bottom: calc(104px + env(safe-area-inset-bottom, 0px));
        align-items: stretch;
    }

    .project-assistant-toggle {
        align-self: flex-end;
        width: 50px;
        min-height: 50px;
        padding: 4px;
        border-radius: 999px;
        justify-content: center;
    }

    .project-assistant-toggle .assistant-toggle-copy {
        display: none;
    }

    .assistant-toggle-orb {
        width: 40px;
        height: 40px;
    }

    .project-assistant-panel {
        width: 100%;
        min-width: 0;
        max-width: none;
        height: min(76vh, 720px);
        min-height: 0;
        max-height: min(82vh, 760px);
        transform-origin: bottom center;
    }

    .assistant-panel-header {
        padding: 16px 16px 12px 40px;
    }

    .assistant-panel-subtitle {
        max-width: none;
    }

    .assistant-suggestions {
        padding: 10px 16px 0;
    }

    .assistant-messages {
        padding: 14px;
    }

    .assistant-composer {
        padding: 12px 16px 16px;
    }

    .assistant-toggle-subtitle {
        display: none;
    }

    .assistant-resize-handle {
        display: none;
    }
}