/* Session detail is hero-dominant: a large background image with the detail components overlaid
   directly on top, themed to match the NowPlaying glassmorphic family. The page widens to the
   Large container (set in markup) rather than the shared 760px detail column. */

::deep .session-detail-page {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

/* Positioning context for every overlay. A tall, dominant frame rather than the 16:9 strip. */
.session-hero {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: 70vh;
    min-height: 420px;
    margin-top: 1rem;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 12px 40px color-mix(in srgb, var(--mud-palette-text-secondary) 22%, transparent);
}

/* session-hero-img / session-hero-placeholder ride on MudPaper (child Razor component);
   the class lands on MudPaper's native .mud-paper output, so ::deep pierces the component boundary. */
::deep .session-hero-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

::deep .session-hero-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--mud-palette-surface);
}

::deep .session-hero-placeholder .mud-icon-root {
    font-size: 120px;
}

/* Darkening gradient shim: stronger at the bottom (under the title/play row) and lighter toward
   the middle, with a top darken so the genre/share overlay stays legible too. */
.session-hero-shim {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(to bottom,
            rgba(0, 0, 0, 0.55) 0%,
            rgba(0, 0, 0, 0.15) 28%,
            rgba(0, 0, 0, 0.15) 55%,
            rgba(0, 0, 0, 0.75) 100%);
}

/* --- Top overlay: genre / date / share --- */
.session-hero-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
}

.session-overlay-date {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.session-overlay-label {
    font-family: var(--deepdrft-font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--deepdrft-green-accent);
}

.session-overlay-value {
    font-family: var(--deepdrft-font-body);
    font-size: 0.8rem;
    color: var(--deepdrft-white);
}

/* Genre chip themed to the glassmorphic NowPlaying surface. The class lands on MudChip's native
   .mud-chip output, so ::deep is required to reach it. */
::deep .session-overlay-chip.mud-chip {
    background: rgba(250, 250, 248, 0.06);
    border: 1px solid rgba(250, 250, 248, 0.12);
    backdrop-filter: blur(8px);
    color: var(--deepdrft-white);
    font-family: var(--deepdrft-font-mono);
    letter-spacing: 0.12em;
}

/* --- Bottom overlay: cover thumb / title / play --- */
.session-hero-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    padding: 1.5rem;
}

.session-cover-thumb {
    flex: 0 0 auto;
    width: 96px;
    height: 96px;
    overflow: hidden;
    border: 1px solid rgba(250, 250, 248, 0.12);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

.session-hero-titles {
    flex: 1 1 auto;
    min-width: 0;
}

.session-overlay-title {
    font-family: var(--deepdrft-font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--deepdrft-white);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.session-overlay-artist {
    font-family: var(--deepdrft-font-body);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: rgba(250, 250, 248, 0.7);
    margin-top: 0.35rem;
}

.session-hero-play {
    flex: 0 0 auto;
}

/* The play affordance and share button sit over a dark image — force their icon glyphs to the
   light theme color regardless of MudBlazor's Secondary palette. Both PlayStateIcon and
   SharePopover render MudIconButton / MudProgressCircular internals, so ::deep is required. */
::deep .session-hero-play .mud-icon-button,
::deep .session-hero-play .mud-progress-circular,
::deep .session-hero-share .mud-icon-button {
    color: var(--deepdrft-white);
}

@media (max-width: 599.98px) {
    .session-hero {
        aspect-ratio: 3 / 4;
        min-height: 380px;
    }

    /* session-hero-bottom-row rides on MudStack's native output div, so ::deep is required. */
    ::deep .session-hero-bottom-row {
        flex-wrap: wrap;
    }

    .session-cover-thumb {
        width: 72px;
        height: 72px;
    }
}