/* Yeux v2.0 app intro — anthracite / black palette */
.pi-app-intro {
    position: fixed;
    inset: 0;
    z-index: 120000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.pi-app-intro[hidden] {
    display: none !important;
}

body.pi-app-intro-open {
    overflow: hidden;
}

.pi-app-intro-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(10px);
}

.pi-app-intro-card {
    position: relative;
    width: min(440px, 100%);
    max-height: min(90vh, 640px);
    display: flex;
    flex-direction: column;
    background: linear-gradient(168deg, #2a2c31 0%, #1c1d21 48%, #0f1012 100%);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.4),
        0 24px 64px rgba(0, 0, 0, 0.65);
    overflow: hidden;
}

body.theme-light .pi-app-intro-card {
    background: linear-gradient(168deg, #f8f9fa 0%, #eceff2 100%);
    border-color: rgba(15, 23, 42, 0.1);
    box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
}

.pi-app-intro-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px 0;
    gap: 12px;
}

.pi-app-intro-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #d4d4d8;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.theme-light .pi-app-intro-badge {
    color: #3f3f46;
    background: rgba(15, 23, 42, 0.05);
    border-color: rgba(15, 23, 42, 0.1);
}

.pi-app-intro-skip {
    border: none;
    background: transparent;
    color: #71717a;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 8px;
}

.pi-app-intro-skip:hover {
    color: #e4e4e7;
    background: rgba(255, 255, 255, 0.05);
}

body.theme-light .pi-app-intro-skip {
    color: #71717a;
}

body.theme-light .pi-app-intro-skip:hover {
    color: #18181b;
    background: rgba(15, 23, 42, 0.06);
}

.pi-app-intro-viewport {
    overflow: hidden;
    flex: 1;
    min-height: 280px;
    touch-action: pan-y;
}

.pi-app-intro-track {
    display: flex;
    height: 100%;
    transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.pi-app-intro-slide {
    flex: 0 0 100%;
    min-width: 100%;
    padding: 28px 28px 12px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.pi-app-intro-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #a1a1aa;
    background: linear-gradient(145deg, #35373d 0%, #25272b 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    margin-bottom: 22px;
}

body.theme-light .pi-app-intro-icon {
    color: #52525b;
    background: linear-gradient(145deg, #f4f4f5 0%, #e4e4e7 100%);
    border-color: rgba(15, 23, 42, 0.08);
}

.pi-app-intro-title {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: #f4f4f5;
}

body.theme-light .pi-app-intro-title {
    color: #18181b;
}

.pi-app-intro-body {
    margin: 0;
    font-size: 15px;
    line-height: 1.65;
    color: #a1a1aa;
    max-width: 340px;
}

body.theme-light .pi-app-intro-body {
    color: #52525b;
}

.pi-app-intro-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 8px 20px 4px;
}

.pi-app-intro-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    border: none;
    padding: 0;
    background: rgba(255, 255, 255, 0.14);
    cursor: pointer;
    transition: width 0.25s ease, background 0.25s ease;
}

body.theme-light .pi-app-intro-dot {
    background: rgba(15, 23, 42, 0.14);
}

.pi-app-intro-dot.is-active {
    width: 22px;
    background: #d4d4d8;
}

body.theme-light .pi-app-intro-dot.is-active {
    background: #3f3f46;
}

.pi-app-intro-actions {
    padding: 12px 20px 22px;
}

.pi-app-intro-next {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    color: #fafafa;
    background: linear-gradient(180deg, #404348 0%, #2e3035 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 8px 24px rgba(0, 0, 0, 0.45);
    transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.pi-app-intro-next:hover {
    transform: translateY(-1px);
    background: linear-gradient(180deg, #4a4d53 0%, #35373d 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 12px 28px rgba(0, 0, 0, 0.5);
}

body.theme-light .pi-app-intro-next {
    color: #fafafa;
    background: linear-gradient(180deg, #3f3f46 0%, #27272a 100%);
    border-color: rgba(15, 23, 42, 0.15);
}

@media (max-width: 480px) {
    .pi-app-intro {
        padding: 12px;
    }
    .pi-app-intro-slide {
        padding: 22px 20px 8px;
    }
    .pi-app-intro-title {
        font-size: 20px;
    }
}