/* =========================================================
   KNOWLEDGE — AVA ONLY (no Bootstrap)
   FIX: Mobile Scroll + Footer Buttons erreichbar
   - genau EINE Scroll-Fläche (knowledge-content)
   - entfernt overflow:hidden-Killer in der Kette
   - entfernt ku-box min-height:700 (Mobile Killer)
   - optional: Footer sticky, damit Buttons nie verschwinden
   ========================================================= */


/* =========================
   KNOWLEDGE PARENT
   ========================= */

.knowledge-page {
    /* FIX: 100dvh ist auf Mobile stabiler als 100vh (Browser-UI) */
    height: calc(100dvh - var(--ava-navbar-height, 60px));
    display: flex;
    flex-direction: column;
    min-height: 0;
    /* FIX: Seite selbst nicht scrollen lassen, sondern nur den Content */
    overflow: hidden;
    padding: 12px 16px;
}

.knowledge-inner {
    flex: 1 1 auto;
    min-height: 0;
    /* FIX: NICHT hidden, sonst wird innerer Scroll blockiert */
    overflow: visible;
    display: flex;
    flex-direction: column;
}

/* Tabs */
.knowledge-tabs {
    flex: 0 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-bottom: 16px;
}

/* Tab button */
.ava-tab {
    appearance: none;
    border: 1px solid var(--ava-border-0);
    background: var(--ava-panel-3);
    color: var(--ava-text-soft);
    border-radius: 999px;
    padding: 8px 16px;
    font-weight: 900;
    font-size: 14px;
    letter-spacing: 0.2px;
    cursor: pointer;
    box-shadow: var(--ava-shadow-edge);
}

    .ava-tab:hover {
        background: var(--ava-accent-soft-3);
        border-color: var(--ava-border-2);
        color: var(--ava-text);
        transform: translateY(-1px);
    }

    .ava-tab.is-active {
        background: var(--ava-accent-soft);
        border-color: var(--ava-list-item-active-border);
        color: var(--ava-text);
        box-shadow: var(--ava-shadow-edge), 0 0 0 2px rgba(10,243,219,0.12);
        transform: none;
    }

    .ava-tab:disabled {
        opacity: 0.55;
        cursor: not-allowed;
        transform: none;
    }

/* Shell (container) */
.knowledge-shell {
    flex: 1 1 auto;
    min-height: 0;
    /* FIX: darf nicht hidden sein, sonst “verschluckt” es sticky + child scroll bugs */
    overflow: visible;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--ava-border-0);
    border-radius: var(--ava-radius-lg);
    background: var(--ava-panel);
    box-shadow: var(--ava-shadow-soft);
}

/* ✅ EINZIGE Scroll Area */
.knowledge-content {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    /* Mobile smooth scroll */
    -webkit-overflow-scrolling: touch;
    padding: 8px;
}

/* Progress area bottom */
.knowledge-progress {
    flex: 0 0 auto;
    padding-top: 12px;
}

/* Simple AVA progress (replaces bootstrap progress) */
.ava-progress {
    height: 10px;
    border-radius: 999px;
    background: var(--ava-panel-3);
    border: 1px solid var(--ava-border-0);
    overflow: hidden;
    box-shadow: var(--ava-shadow-edge);
}

.ava-progress-bar {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--ava-accent), var(--ava-accent-2));
    transition: width var(--ava-dur-2) var(--ava-ease);
}


/* =========================
   KU CHILD (both variants)
   ========================= */

.ku-wrapper {
    height: 100%;
    min-height: 0;
    /* FIX: nicht hidden, sonst kann nix “nach unten” wachsen */
    overflow: visible;
    display: flex;
    flex-direction: column;
}

/* Headline */
.ku-head {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 8px 0 12px;
}

.ku-title {
    margin: 0;
    font-weight: 900;
    color: var(--ava-text);
    letter-spacing: 0.2px;
}

/* Main box */
.ku-box {
    flex: 1 1 auto;
    /* FIX: Mobile Killer raus */
    min-height: 0;
    /* FIX: nicht hidden; die Scrollfläche ist knowledge-content */
    overflow: visible;
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 14px;
    border: 1px solid var(--ava-border-0);
    border-radius: var(--ava-radius-lg);
    background: var(--ava-panel);
    box-shadow: var(--ava-shadow-soft);
}

.ku-disabled {
    pointer-events: none;
    user-select: none;
    opacity: 0.92;
}


/* =========================
   POOLS (optional variant)
   ========================= */

.ku-pool {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 10px;
}

.ku-pool-add {
    display: flex;
    gap: 10px;
    max-width: 300px;
    width: 100%;
}

.ku-pool-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-left: 10px;
    min-width: 0;
}

/* Pill */
.ava-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border-radius: 999px;
    padding: 6px 10px;
    background: var(--ava-panel-2);
    border: 1px solid var(--ava-border-1);
    box-shadow: var(--ava-shadow-edge);
    color: var(--ava-text);
    max-width: 100%;
}

.ava-pill-text {
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


/* =========================
   DROPZONE (bigger & present)
   ========================= */

.ku-dropzone {
    border: 2px dashed var(--ava-border-2);
    border-radius: var(--ava-radius-lg);
    background: var(--ava-panel-3);
    min-height: 120px;
    padding: 22px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: border-color var(--ava-dur-1) var(--ava-ease), background var(--ava-dur-1) var(--ava-ease), transform var(--ava-dur-1) var(--ava-ease);
}

    .ku-dropzone:hover {
        background: var(--ava-accent-soft-3);
        transform: translateY(-1px);
    }

    .ku-dropzone.dragover {
        background: var(--ava-accent-soft-2);
    }

    .ku-dropzone.is-disabled {
        opacity: 0.7;
    }

.ku-droptext {
    color: var(--ava-text-soft);
    font-weight: 800;
    font-size: 14px;
    line-height: 1.4;
    max-width: 520px;
}


/* =========================
   FILE LIST
   ========================= */

.ku-list {
    flex: 1 1 auto;
    min-height: 0;
    /* Optional: Liste selbst scrollen lassen (wenn gewünscht).
       Wenn du willst, dass nur knowledge-content scrollt, dann:
       overflow: visible;  (und die beiden Zeilen unten entfernen) */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ku-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--ava-border-0);
    background: var(--ava-panel-2);
    border-radius: var(--ava-radius-md);
    padding: 10px 12px;
    box-shadow: var(--ava-shadow-edge);
}

.ku-row-main {
    min-width: 0;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ku-row-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.ku-link {
    color: var(--ava-accent-2);
    font-weight: 900;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

    .ku-link:hover {
        text-decoration: underline;
    }

.ku-desc {
    width: 100%;
}


/* =========================
   FOOTER (more present)
   ========================= */

.ku-footer {
    margin-top: auto;
    padding-top: 16px;
    padding-bottom: 4px;
    border-top: 1px solid var(--ava-border-0);
    /* ✅ Fix: Buttons bleiben erreichbar (sticky) */
    position: sticky;
    bottom: 0;
    z-index: 5;
    /* damit sticky nicht transparent über Inhalte liegt */
    background: var(--ava-panel);
}

.ku-footer-left {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

/* Make footer buttons a bit bigger (present) */
.ku-footer .ava-btn {
    padding: 8px 16px;
    font-size: 14px;
}


/* =========================
   AVA INPUTS (Bootstrap-free)
   ========================= */

.ava-input {
    width: 100%;
    border-radius: var(--ava-radius-md);
    border: 1px solid var(--ava-border-1);
    background: var(--ava-panel-2);
    color: var(--ava-text);
    padding: 8px 10px;
    outline: none;
    box-shadow: var(--ava-shadow-edge);
}

    .ava-input:focus {
        border-color: var(--ava-border-2);
        box-shadow: var(--ava-focus-ring);
    }

.ava-input-sm {
    max-width: 200px;
    padding: 6px 10px;
    font-size: 13px;
    border-radius: var(--ava-radius-sm);
}


/* =========================
   OVERLAY + SPINNER (Bootstrap-free)
   ========================= */

.ku-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(6px);
    display: grid;
    place-items: center;
    z-index: 9999;
}

.ku-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: var(--ava-radius-lg);
    background: var(--ava-panel);
    border: 1px solid var(--ava-border-0);
    box-shadow: var(--ava-shadow);
}

.ku-loader-text {
    color: var(--ava-text-soft);
    font-weight: 800;
    font-size: 13px;
}

.ava-spinner {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 3px solid var(--ava-border-1);
    border-top-color: var(--ava-accent);
    animation: ava-spin 0.9s linear infinite;
}

@keyframes ava-spin {
    to {
        transform: rotate(360deg);
    }
}


/* =========================
   MOBILE TWEAKS (optional but recommended)
   ========================= */

@media (max-width: 640px) {
    .knowledge-page {
        padding: 10px 10px;
    }

    .knowledge-tabs {
        gap: 10px;
        padding-bottom: 12px;
    }

    .ava-tab {
        padding: 8px 14px;
        font-size: 13px;
    }

    .ku-box {
        padding: 12px;
    }

    .ku-dropzone {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
    }

    .ku-droptext {
        max-width: none;
    }

    .ava-input-sm {
        max-width: 100%;
    }

    .ku-footer {
        padding-top: 12px;
        padding-bottom: 10px;
    }

        .ku-footer .ava-btn {
            width: 100%;
            justify-content: center;
        }
}