/* ==========================================================================
   LLI Summit Program Widget – Grid Layout mit durchgehenden Pausen
   ========================================================================== */

.lli-program {
    --lli-primary:    #0c2340;
    --lli-accent:     #d6263d;
    --lli-text:       #3a4a63;
    --lli-card-bg:    #ffffff;
    --lli-section-bg: #f6f7fa;
    --lli-border:     #e6eaf2;
    --lli-radius:     12px;
    --lli-cols:       4; /* fallback, wird per Inline-Style überschrieben */
    --lli-gap:        12px;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
    color: var(--lli-text);
    box-sizing: border-box;
}

.lli-program *,
.lli-program *::before,
.lli-program *::after {
    box-sizing: border-box;
}

/* --- Programm-Titel --- */
.lli-program__title {
    margin: 0 0 24px;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--lli-primary);
    letter-spacing: -0.01em;
}

/* ==========================================================================
   Tag-Umschalter (Pill)
   ========================================================================== */

.lli-program__switcher {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px;
    margin: 0 0 16px;
    background: var(--lli-section-bg);
    border-radius: 999px;
    border: 1px solid var(--lli-border);
    max-width: 100%;
}

.lli-program__tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 10px 22px;
    background: transparent;
    border: none;
    border-radius: 999px;
    color: var(--lli-primary);
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
    min-width: 170px;
}

.lli-program__tab:hover {
    background: rgba(12, 35, 64, 0.05);
}

.lli-program__tab.is-active {
    background: var(--lli-primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(12, 35, 64, 0.18);
}

.lli-program__tab-label { font-size: 15px; font-weight: 600; line-height: 1.2; }
.lli-program__tab-date  { font-size: 12px; opacity: 0.85; }

/* ==========================================================================
   Stage-Filter
   ========================================================================== */

.lli-program__filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 24px;
}

.lli-program__filter-btn {
    display: inline-block;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--lli-border);
    border-radius: 999px;
    color: var(--lli-primary);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.lli-program__filter-btn:hover {
    border-color: var(--lli-primary);
    background: rgba(12, 35, 64, 0.04);
}

.lli-program__filter-btn.is-active {
    background: var(--lli-accent);
    border-color: var(--lli-accent);
    color: #ffffff;
    box-shadow: 0 3px 10px rgba(214, 38, 61, 0.25);
}

/* ==========================================================================
   Tag-Container
   ========================================================================== */

.lli-program__day { display: none; }
.lli-program__day.is-active {
    display: block;
    animation: lliFadeIn 0.3s ease;
}

@keyframes lliFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Spalten-Header (Stage-Namen)
   ========================================================================== */

.lli-program__header-row {
    display: grid;
    grid-template-columns: repeat(var(--lli-cols), minmax(0, 1fr));
    gap: var(--lli-gap);
    margin-bottom: var(--lli-gap);
}

.lli-program__col-header {
    position: relative;
    padding: 16px 18px;
    background: var(--lli-section-bg);
    border: 1px solid var(--lli-border);
    border-radius: var(--lli-radius);
    overflow: hidden;
}

/* Dreieck-Akzent oben rechts */
.lli-program__col-header::before {
    content: "";
    position: absolute;
    top: 0; right: 0;
    width: 90px; height: 90px;
    background: linear-gradient(135deg, transparent 50%, rgba(214, 38, 61, 0.06) 50%);
    pointer-events: none;
}

.lli-program__col-header > * { position: relative; }

.lli-program__col-header.is-main {
    background: #ffffff;
    border-color: var(--lli-primary);
    box-shadow: 0 4px 14px rgba(12, 35, 64, 0.06);
}

.lli-program__col-header.is-main::before {
    background: linear-gradient(135deg, transparent 50%, rgba(214, 38, 61, 0.10) 50%);
    width: 110px; height: 110px;
}

.lli-program__col-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--lli-accent);
    margin-bottom: 4px;
}

.lli-program__col-name {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--lli-primary);
    letter-spacing: -0.01em;
}

.lli-program__col-header.is-main .lli-program__col-name { font-size: 19px; }

/* ==========================================================================
   Programm-Reihen
   ========================================================================== */

.lli-program__rows {
    display: flex;
    flex-direction: column;
    gap: var(--lli-gap);
}

/* Reihe mit Stage-Zellen */
.lli-program__row--stages {
    display: grid;
    grid-template-columns: repeat(var(--lli-cols), minmax(0, 1fr));
    gap: var(--lli-gap);
    align-items: stretch;
}

/* Reihe mit "alle Stages"-Eintrag (Pause) */
.lli-program__row--all {
    width: 100%;
}

/* Eine Stage-Zelle */
.lli-program__cell {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.lli-program__empty {
    padding: 20px;
    text-align: center;
    color: var(--lli-text);
    opacity: 0.7;
    font-style: italic;
    background: var(--lli-section-bg);
    border: 1px dashed var(--lli-border);
    border-radius: var(--lli-radius);
}

/* ==========================================================================
   Programmpunkt-Karte
   ========================================================================== */

.lli-pp {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 12px;
    padding: 12px 14px;
    background: var(--lli-card-bg);
    border: 1px solid var(--lli-border);
    border-radius: 8px;
    transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
    height: 100%;
    min-height: 80px;
}

.lli-pp:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(12, 35, 64, 0.08);
    border-color: rgba(12, 35, 64, 0.18);
}

.lli-pp--highlight {
    border-left: 4px solid var(--lli-accent);
    padding-left: 10px;
}

/* Leere Zelle (Platzhalter, damit Grid-Zellen gleich hoch bleiben) */
.lli-pp--empty {
    background: transparent;
    border: 1px dashed rgba(12, 35, 64, 0.08);
    box-shadow: none;
    pointer-events: none;
    min-height: 80px;
}
.lli-pp--empty:hover { transform: none; box-shadow: none; }

/* Pause / All-Stages: vollbreit, hor. Layout, Hintergrund neutral */
.lli-pp--all-stages {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 14px 18px;
    background: var(--lli-section-bg);
    border: 1px dashed var(--lli-border);
    border-radius: var(--lli-radius);
    min-height: 0;
}
.lli-pp--all-stages:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--lli-border);
}
.lli-pp--all-stages .lli-pp__time {
    flex: 0 0 auto;
    min-width: 90px;
    flex-direction: row;
    gap: 6px;
}
.lli-pp--all-stages .lli-pp__time-start,
.lli-pp--all-stages .lli-pp__time-end {
    font-size: 14px;
}
.lli-pp--all-stages .lli-pp__time-sep { margin: 0; }
.lli-pp--all-stages .lli-pp__body { flex: 1 1 auto; }
.lli-pp--all-stages .lli-pp__type { margin-bottom: 2px; }
.lli-pp--all-stages .lli-pp__title {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    margin: 0;
}

/* Zeit-Spalte */
.lli-pp__time {
    display: flex;
    flex-direction: column;
    color: var(--lli-primary);
    font-weight: 600;
    line-height: 1.2;
    padding-top: 2px;
}

.lli-pp__time-start { font-size: 15px; }
.lli-pp__time-sep   { font-size: 11px; opacity: 0.55; margin: 1px 0; }
.lli-pp__time-end   { font-size: 11px; font-weight: 500; opacity: 0.75; }

/* Body */
.lli-pp__body { min-width: 0; }

.lli-pp__type {
    display: inline-block;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 7px;
    border-radius: 4px;
    margin-bottom: 5px;
}

.lli-pp__type--keynote  { background: rgba(214, 38, 61, 0.12); color: var(--lli-accent); }
.lli-pp__type--session  { background: rgba(12, 35, 64, 0.08);  color: var(--lli-primary); }
.lli-pp__type--panel    { background: rgba(12, 35, 64, 0.08);  color: var(--lli-primary); }
.lli-pp__type--workshop { background: rgba(58, 74, 99, 0.10);  color: var(--lli-text); }
.lli-pp__type--break    { background: rgba(0, 0, 0, 0.04);     color: var(--lli-text); }
.lli-pp__type--social   { background: rgba(214, 38, 61, 0.10); color: var(--lli-accent); }

.lli-pp__title {
    margin: 0 0 3px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--lli-primary);
}

.lli-pp__speaker {
    margin: 0;
    font-size: 12px;
    line-height: 1.45;
    color: var(--lli-text);
}

/* ==========================================================================
   Stage-Filter (CSS-basiert)
   Wenn ein Filter aktiv ist, blendet das Programm Spalten/Zellen aus
   und kollabiert das Grid auf eine Spalte für die ausgewählte Stage.
   ========================================================================== */

.lli-program[data-active-filter="main"]  .lli-program__header-row,
.lli-program[data-active-filter="main"]  .lli-program__row--stages,
.lli-program[data-active-filter="side1"] .lli-program__header-row,
.lli-program[data-active-filter="side1"] .lli-program__row--stages,
.lli-program[data-active-filter="side2"] .lli-program__header-row,
.lli-program[data-active-filter="side2"] .lli-program__row--stages,
.lli-program[data-active-filter="side3"] .lli-program__header-row,
.lli-program[data-active-filter="side3"] .lli-program__row--stages {
    grid-template-columns: 1fr;
}

.lli-program[data-active-filter="main"]  .lli-col:not(.lli-col--main),
.lli-program[data-active-filter="side1"] .lli-col:not(.lli-col--side1),
.lli-program[data-active-filter="side2"] .lli-col:not(.lli-col--side2),
.lli-program[data-active-filter="side3"] .lli-col:not(.lli-col--side3) {
    display: none !important;
}

/* Bei aktiver Filterung: leere Platzhalter verstecken (sonst große Lücken) */
.lli-program[data-active-filter]:not([data-active-filter="all"]) .lli-pp--empty {
    display: none;
}

/* Bei aktiver Filterung: Reihen, die nur leere Zellen enthielten, können
   sehr klein wirken – mit min-height arbeiten wir auf Zellenebene. */

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Tablet: 2 Spalten */
@media (max-width: 1024px) {
    .lli-program {
        --lli-gap: 10px;
    }
    .lli-program__header-row,
    .lli-program__row--stages {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Mobile: Stacked Layout
   Statt Grid wird jede Stage-Zelle nacheinander mit Stage-Label angezeigt.
   Das ist robuster als horizontales Scrollen und barrierefreier. */
@media (max-width: 640px) {
    .lli-program__title { font-size: 22px; }

    .lli-program__tab { min-width: 0; padding: 10px 16px; flex: 1 1 0; }
    .lli-program__switcher { display: flex; width: 100%; }

    /* Spalten-Header komplett verstecken auf Mobile, dafür Label pro Zelle */
    .lli-program__header-row { display: none; }

    .lli-program__row--stages {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .lli-program__cell {
        position: relative;
    }

    /* Stage-Label vor jeder Zelle (data-Attribut via CSS) */
    .lli-program__cell::before {
        content: attr(data-stage-label);
        display: block;
        font-size: 10px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--lli-accent);
        margin-bottom: 4px;
        padding: 4px 10px;
        background: var(--lli-section-bg);
        border-radius: 4px;
        align-self: flex-start;
    }

    /* Falls die Zelle leer ist (Platzhalter), Label nicht zeigen */
    .lli-program__cell:has(.lli-pp--empty:only-child)::before {
        display: none;
    }
    .lli-program__cell:has(.lli-pp--empty:only-child) {
        display: none;
    }

    .lli-pp--all-stages {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

/* ==========================================================================
   Kalender-Download: Buttons, Agenda-Checkbox, Sammelleiste
   ========================================================================== */

/* Aktionsleiste innerhalb eines Programmpunkts */
.lli-pp__actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--lli-border);
}

/* "Zur Agenda"-Checkbox */
.lli-pp__agenda-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    color: var(--lli-text);
    user-select: none;
}

.lli-pp__agenda-check {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    margin: 0;
    border: 1.5px solid var(--lli-border);
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
    position: relative;
    transition: background-color 0.18s, border-color 0.18s;
    flex: 0 0 auto;
}

.lli-pp__agenda-check:hover {
    border-color: var(--lli-accent);
}

.lli-pp__agenda-check:checked {
    background: var(--lli-accent);
    border-color: var(--lli-accent);
}

.lli-pp__agenda-check:checked::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.lli-pp__agenda-check:focus-visible {
    outline: 2px solid var(--lli-accent);
    outline-offset: 2px;
}

/* Einzel-Kalender-Button */
.lli-pp__cal-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: transparent;
    border: 1px solid var(--lli-border);
    border-radius: 6px;
    color: var(--lli-primary);
    font-family: inherit;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.18s, border-color 0.18s, color 0.18s;
    margin-left: auto;
}

.lli-pp__cal-btn:hover {
    background: var(--lli-primary);
    border-color: var(--lli-primary);
    color: #fff;
}

.lli-pp__cal-btn svg { flex: 0 0 auto; }

/* Markierung eines ausgewählten Punktes */
.lli-pp--selected {
    border-color: var(--lli-accent);
    box-shadow: 0 0 0 1px var(--lli-accent) inset;
}

/* Bei "Alle Stages"-Pausen gibt es keinen Button – Aktionen ausblenden falls leer */
.lli-pp--all-stages .lli-pp__actions { display: none; }

/* ==========================================================================
   Agenda-Sammelleiste (sticky am unteren Rand)
   ========================================================================== */

.lli-program__agenda-bar {
    position: sticky;
    bottom: 16px;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 0 20px;
    padding: 14px 18px;
    background: var(--lli-primary);
    border-radius: var(--lli-radius);
    box-shadow: 0 8px 28px rgba(12, 35, 64, 0.28);
    color: #fff;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.lli-program__agenda-bar.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.lli-program__agenda-info {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.lli-program__agenda-count {
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
    color: #fff;
}

.lli-program__agenda-text {
    font-size: 14px;
    opacity: 0.9;
}

.lli-program__agenda-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.lli-program__agenda-clear {
    padding: 8px 14px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    color: #fff;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.18s, border-color 0.18s;
}

.lli-program__agenda-clear:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.6);
}

.lli-program__agenda-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    background: var(--lli-accent);
    border: none;
    border-radius: 999px;
    color: #fff;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.18s, transform 0.18s;
    box-shadow: 0 4px 14px rgba(214, 38, 61, 0.35);
}

.lli-program__agenda-download:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.lli-program__agenda-download svg { flex: 0 0 auto; }

/* Mobile-Anpassung der Sammelleiste */
@media (max-width: 640px) {
    .lli-program__agenda-bar {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        bottom: 8px;
    }
    .lli-program__agenda-info { justify-content: center; }
    .lli-program__agenda-actions { justify-content: center; }
    .lli-program__agenda-download { flex: 1 1 auto; justify-content: center; }

    .lli-pp__actions { gap: 6px; }
    .lli-pp__cal-btn { margin-left: 0; }
}