@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Syne:wght@700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ══════════════════════════════════════════════════════════════
   BubbleBusters — Iridescent Soap Bubble Design System
   Palette: Pearl White · Soft Lavender · Bubblegum · Mint
   ══════════════════════════════════════════════════════════════ */
:root {
    /* backgrounds */
    --bg:           #f7f4ff;
    --bg-card:      rgba(255,255,255,0.72);
    --bg-card-2:    rgba(255,255,255,0.55);
    --bg-input:     rgba(255,255,255,0.80);
    --bg-dark:      #1a0e2e;

    /* palette */
    --lavender:     #c5b4f0;
    --lavender-mid: #a48de8;
    --violet:       #7c5cbf;
    --violet-deep:  #4b2d8a;
    --mint:         #6ee7c7;
    --mint-mid:     #3dcba8;
    --blush:        #ffb3c8;
    --peach:        #ffd6a5;
    --sky:          #a8d8f0;
    --periwinkle:   #8fa8f8;

    /* text */
    --text:         #2d1f4e;
    --text-mid:     #6b5b8e;
    --text-muted:   #9d8fc4;

    /* semantic */
    --green:        #3dcba8;
    --red:          #ff6b8a;
    --amber:        #ffb347;
    --blue:         #7aa6f8;

    /* glass */
    --glass-border: rgba(255,255,255,0.65);
    --glass-shadow: 0 8px 32px rgba(124,92,191,.12), 0 2px 8px rgba(124,92,191,.06);

    --font-display: 'Syne', sans-serif;
    --font-body:    'Nunito', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;
}

/* ── Base — aurora gradient background ── */
body, .gradio-container {
    background:
        radial-gradient(ellipse at 15% 0%,   rgba(197,180,240,.45) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 10%,  rgba(168,216,240,.40) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 90%,  rgba(110,231,199,.30) 0%, transparent 60%),
        radial-gradient(ellipse at 5%  80%,  rgba(255,179,200,.25) 0%, transparent 45%),
        #f0ecff !important;
    color: var(--text) !important;
    font-family: var(--font-body) !important;
    min-height: 100vh;
}
.gradio-container { max-width: 1520px !important; }

/* ── Keyframes ── */
@keyframes floatBubble {
    0%   { transform: translateY(0px)   rotate(0deg)   scale(1);    opacity:.7; }
    33%  { transform: translateY(-14px) rotate(3deg)   scale(1.04); opacity:.9; }
    66%  { transform: translateY(-8px)  rotate(-2deg)  scale(.97);  opacity:.75; }
    100% { transform: translateY(0px)   rotate(0deg)   scale(1);    opacity:.7; }
}
@keyframes iridescent {
    0%   { filter: hue-rotate(0deg)   brightness(1.0); }
    50%  { filter: hue-rotate(30deg)  brightness(1.08); }
    100% { filter: hue-rotate(0deg)   brightness(1.0); }
}
@keyframes shimmerSlide {
    0%   { background-position: -600px 0; }
    100% { background-position:  600px 0; }
}
@keyframes popIn {
    0%   { opacity:0; transform:scale(.92) translateY(8px); }
    60%  { opacity:1; transform:scale(1.02) translateY(-2px); }
    100% { opacity:1; transform:scale(1)    translateY(0); }
}
@keyframes pulseDot {
    0%,100% { box-shadow: 0 0 0 0   rgba(61,203,168,.7); }
    50%     { box-shadow: 0 0 0 7px rgba(61,203,168,.0); }
}

/* ── Header ── */
#bb-header {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg,
        rgba(255,255,255,.82) 0%,
        rgba(245,240,255,.88) 50%,
        rgba(240,248,255,.82) 100%);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1.5px solid var(--glass-border);
    border-radius: 28px;
    padding: 28px 36px;
    margin-bottom: 20px;
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,.9);
    animation: popIn .55s cubic-bezier(.34,1.56,.64,1) both;
}
/* Top shimmer stripe */
#bb-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg,
        var(--lavender), var(--mint), var(--blush),
        var(--sky), var(--lavender));
    background-size: 300% 100%;
    animation: shimmerSlide 4s linear infinite;
    border-radius: 28px 28px 0 0;
}
/* Subtle dot grid */
#bb-header::after {
    content: '';
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(124,92,191,.08) 1px, transparent 1px);
    background-size: 22px 22px;
    pointer-events: none;
}

/* ── Tabs ── */
.tab-nav {
    background: rgba(255,255,255,.55) !important;
    backdrop-filter: blur(12px);
    border: 1.5px solid var(--glass-border) !important;
    border-radius: 18px !important;
    padding: 5px 5px !important;
    margin-bottom: 14px !important;
    box-shadow: 0 4px 16px rgba(124,92,191,.08);
    gap: 4px !important;
    display: flex !important;
}
.tab-nav button {
    background: transparent !important;
    color: var(--text-mid) !important;
    border: none !important;
    border-radius: 13px !important;
    font-family: var(--font-body) !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    padding: 10px 20px !important;
    letter-spacing: .2px !important;
    transition: all .22s ease !important;
    flex: 1;
}
.tab-nav button.selected {
    background: linear-gradient(135deg, var(--violet), var(--lavender-mid)) !important;
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(124,92,191,.35) !important;
}
.tab-nav button:hover:not(.selected) {
    background: rgba(197,180,240,.25) !important;
    color: var(--violet) !important;
}

/* ── Buttons ── */
.btn-primary {
    background: linear-gradient(135deg, var(--violet), var(--lavender-mid)) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 50px !important;
    font-family: var(--font-body) !important;
    font-weight: 800 !important;
    font-size: 13px !important;
    padding: 12px 30px !important;
    letter-spacing: .3px !important;
    box-shadow: 0 6px 20px rgba(124,92,191,.35) !important;
    transition: box-shadow .25s, transform .18s !important;
}
.btn-primary:hover {
    box-shadow: 0 8px 28px rgba(124,92,191,.55) !important;
    transform: translateY(-2px) !important;
}
.btn-primary:active { transform: translateY(0) !important; }

.btn-secondary {
    background: rgba(255,255,255,.7) !important;
    color: var(--violet) !important;
    border: 1.5px solid rgba(197,180,240,.6) !important;
    border-radius: 50px !important;
    font-family: var(--font-body) !important;
    font-weight: 700 !important;
    font-size: 12px !important;
    padding: 9px 18px !important;
    transition: all .2s !important;
    backdrop-filter: blur(8px) !important;
}
.btn-secondary:hover {
    background: rgba(197,180,240,.3) !important;
    border-color: var(--lavender-mid) !important;
    box-shadow: 0 4px 14px rgba(124,92,191,.2) !important;
    transform: translateY(-1px) !important;
}

/* ── Inputs / textareas ── */
textarea, input[type="text"],
.gr-textbox textarea, .gr-input input {
    background: var(--bg-input) !important;
    color: var(--text) !important;
    border: 1.5px solid rgba(197,180,240,.5) !important;
    border-radius: 16px !important;
    font-family: var(--font-body) !important;
    font-size: 13.5px !important;
    font-weight: 500 !important;
    transition: border-color .2s, box-shadow .2s !important;
    box-shadow: 0 2px 8px rgba(124,92,191,.06) !important;
}
textarea:focus, input[type="text"]:focus {
    border-color: var(--lavender-mid) !important;
    box-shadow: 0 0 0 4px rgba(197,180,240,.3), 0 2px 8px rgba(124,92,191,.1) !important;
    outline: none !important;
}

/* ── Chatbot ── */
.message {
    border-radius: 18px !important;
    font-family: var(--font-body) !important;
    font-size: 13.5px !important;
    font-weight: 500 !important;
    line-height: 1.65 !important;
}
.message.user {
    background: linear-gradient(135deg,
        rgba(197,180,240,.25), rgba(168,216,240,.20)) !important;
    border: 1.5px solid rgba(197,180,240,.45) !important;
}
.message.assistant {
    background: linear-gradient(135deg,
        rgba(255,255,255,.85), rgba(245,240,255,.75)) !important;
    border: 1.5px solid rgba(255,255,255,.7) !important;
    box-shadow: 0 4px 16px rgba(124,92,191,.08) !important;
}

/* ── Pipeline log ── */
#pipeline-log textarea {
    font-family: var(--font-mono) !important;
    font-size: 11.5px !important;
    background: #1a0e2e !important;
    color: #c5b4f0 !important;
    border: 1.5px solid rgba(197,180,240,.25) !important;
    border-radius: 16px !important;
    line-height: 1.75 !important;
    box-shadow: inset 0 2px 12px rgba(0,0,0,.2) !important;
    height: 340px !important;
    min-height: 340px !important;
    max-height: 340px !important;
    overflow-y: scroll !important;
    resize: vertical !important;
    white-space: pre !important;
    word-break: keep-all !important;
    user-select: text !important;
    -webkit-user-select: text !important;
}

/* ── Section labels ── */
.section-label {
    font-family: var(--font-body);
    color: var(--violet);
    font-weight: 800;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-label::after {
    content: '';
    flex: 1;
    height: 1.5px;
    background: linear-gradient(90deg, rgba(197,180,240,.7), transparent);
    border-radius: 2px;
}

/* ── Accordion ── */
.gr-accordion {
    background: var(--bg-card) !important;
    backdrop-filter: blur(16px) !important;
    border: 1.5px solid var(--glass-border) !important;
    border-radius: 18px !important;
    box-shadow: var(--glass-shadow) !important;
}
.gr-accordion > div:first-child {
    border-radius: 18px 18px 0 0 !important;
}

/* ── Radio / checkbox ── */
.gr-radio label, .gr-checkbox label {
    color: var(--text-mid) !important;
    font-family: var(--font-body) !important;
    font-size: 12px !important;
    font-weight: 600 !important;
}

/* ── Misc cards / panels ── */
.gr-form  { background: transparent !important; }
label, .gr-form label {
    color: var(--text-mid) !important;
    font-family: var(--font-body) !important;
    font-size: 12px !important;
    font-weight: 600 !important;
}
.gr-box, .gr-panel {
    background: var(--bg-card) !important;
    backdrop-filter: blur(16px) !important;
    border: 1.5px solid var(--glass-border) !important;
    border-radius: 20px !important;
    box-shadow: var(--glass-shadow) !important;
}

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--lavender), var(--mint));
    border-radius: 10px;
}

/* ── Plotly override: white backgrounds look wrong on aurora bg ── */
.js-plotly-plot .plotly .bg { fill: transparent !important; }