/* ==========================================================================
   DROPSITE PDF MATRIX — WIZUALNY ORGANIZATOR STRON, OBRÓT & SELEKCJA
   Architektura 100% RAM, Obsidian Glass + Cyber Mint + Micro-Motion
   Zgodny z BRAND_GUIDELINES.md
   ========================================================================== */

/* 1. KONTENER ROBOCZY MATRYCY */
.matrix-workspace {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 100%;
    padding-bottom: 90px;
}

/* 2. PASEK AKCJI NARZĘDZIOWYCH (TOP TOOLBAR) */
.matrix-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
}

.matrix-file-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.matrix-pdf-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    border-radius: 6px;
    background: rgba(239, 68, 68, 0.14);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #F87171;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.matrix-filename {
    font-size: 0.88rem;
    font-weight: 600;
    color: #F8FAFC;
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.matrix-pages-count {
    font-size: 0.8rem;
    color: #94A3B8;
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.matrix-quick-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.matrix-btn-tool {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    color: #CBD5E1;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
}

.matrix-btn-tool:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
    transform: translateY(-1px);
}

.matrix-btn-tool:active {
    transform: scale(0.98);
}

.matrix-btn-tool.btn-highlight {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.35);
    color: #34D399;
}

.matrix-btn-tool.btn-highlight:hover {
    background: rgba(52, 211, 153, 0.22);
    border-color: rgba(52, 211, 153, 0.6);
    color: #FFFFFF;
    box-shadow: 0 0 14px rgba(52, 211, 153, 0.25);
}

/* 3. SIATKA MINIATUR STRON (THE MATRIX GRID) */
.matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 16px;
    padding: 6px 2px;
    min-height: 200px;
}

/* KAFELEK STRONY (PAGE CARD) */
.matrix-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: rgba(17, 24, 39, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 10px;
    box-sizing: border-box;
    cursor: grab;
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.22s ease, 
                border-color 0.22s ease,
                opacity 0.22s ease;
    user-select: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.matrix-card:hover {
    border-color: rgba(52, 211, 153, 0.45);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 15px rgba(52, 211, 153, 0.15);
    transform: translateY(-3px);
}

.matrix-card.is-dragging {
    opacity: 0.45;
    transform: scale(0.96);
    cursor: grabbing;
    border: 1.5px dashed #34D399;
}

.matrix-card.drag-over {
    border: 2px solid #34D399;
    box-shadow: 0 0 20px rgba(52, 211, 153, 0.4);
    transform: scale(1.03);
}

.matrix-card.is-deleted {
    opacity: 0.35;
    filter: grayscale(80%);
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(30, 15, 15, 0.6);
}

/* PASEK AKCJI NA KAFELKU (OVERLAY) */
.matrix-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.matrix-page-pill {
    font-size: 0.73rem;
    font-weight: 700;
    color: #F8FAFC;
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 7px;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.matrix-rot-tag {
    font-size: 0.65rem;
    font-weight: 700;
    color: #38BDF8;
    background: rgba(56, 189, 248, 0.16);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 4px;
    padding: 1px 4px;
}

.matrix-card-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.matrix-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94A3B8;
    cursor: pointer;
    font-size: 0.8rem;
    line-height: 1;
    transition: all 0.15s ease;
}

.matrix-icon-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #FFFFFF;
    transform: scale(1.1);
}

.matrix-icon-btn.btn-rotate:hover {
    color: #38BDF8;
    border-color: rgba(56, 189, 248, 0.4);
}

.matrix-icon-btn.btn-duplicate:hover {
    color: #34D399;
    border-color: rgba(52, 211, 153, 0.4);
}

.matrix-icon-btn.btn-delete:hover {
    color: #EF4444;
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.15);
}

/* PODGLĄD STRONY (CANVAS THUMBNAIL) */
.matrix-canvas-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1.414; /* Standard proporcji arkusza A4 */
    background: #FFFFFF;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.matrix-canvas-wrap canvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
    object-fit: contain;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.matrix-deleted-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #F87171;
    font-size: 0.78rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    border-radius: 6px;
}

.matrix-btn-restore {
    padding: 3px 8px;
    font-size: 0.72rem;
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: #34D399;
    border-radius: 4px;
    cursor: pointer;
}

.matrix-btn-restore:hover {
    background: rgba(52, 211, 153, 0.25);
}

/* 4. DOLNA BELKA NAWIGACJI KAFELKA (SZYBKIE PRZESUWANIE NA MOBILE) */
.matrix-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    gap: 4px;
}

.matrix-move-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 22px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    color: #94A3B8;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
}

.matrix-move-btn:hover:not(:disabled) {
    background: rgba(52, 211, 153, 0.18);
    border-color: rgba(52, 211, 153, 0.45);
    color: #34D399;
}

.matrix-move-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.matrix-move-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.matrix-pos-indicator {
    font-size: 0.68rem;
    color: #64748B;
    font-weight: 600;
    letter-spacing: 0.02em;
    user-select: none;
}

/* 5. DOLNY PASEK EKSPORTU (STICKY EXPORT BAR) */
.matrix-export-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 20px;
    background: linear-gradient(165deg, rgba(22, 33, 50, 0.94) 0%, rgba(10, 16, 26, 0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(52, 211, 153, 0.28);
    border-top: 1px solid rgba(52, 211, 153, 0.5);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(52, 211, 153, 0.1);
}

.matrix-export-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.matrix-export-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: #FFFFFF;
}

.matrix-export-subtitle {
    font-size: 0.77rem;
    color: #94A3B8;
}

.matrix-export-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.matrix-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    color: #061A12;
    border: none;
    border-radius: 9px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(16, 185, 129, 0.35);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.matrix-btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.55);
}

.matrix-btn-download:active {
    transform: scale(0.98);
}

.matrix-btn-download.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* RWD DLA EKRANÓW MOBILNYCH (SMARTFONY & TABLETY) */
@media (max-width: 640px) {
    .matrix-workspace {
        gap: 12px;
        padding-bottom: 110px; /* Margines bezpieczeństwa przed dolnym dokiem asystenta */
    }

    .matrix-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px 14px;
        border-radius: 12px;
    }

    .matrix-file-info {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 8px;
    }

    .matrix-filename {
        flex: 1;
        min-width: 0;
        max-width: none;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: 0.84rem;
    }

    .matrix-pages-count {
        font-size: 0.74rem;
        padding: 2px 6px;
        flex-shrink: 0;
    }

    .matrix-quick-actions {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        width: 100%;
    }

    .matrix-btn-tool {
        justify-content: center;
        padding: 6px 4px;
        font-size: 0.72rem;
        height: 34px;
        width: 100%;
        box-sizing: border-box;
        border-radius: 7px;
    }

    .matrix-btn-tool span {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .matrix-btn-tool svg {
        flex-shrink: 0;
    }

    .matrix-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 9px;
        padding: 2px 0;
    }

    .matrix-card {
        padding: 7px;
        border-radius: 10px;
    }

    .matrix-card-header {
        margin-bottom: 5px;
        gap: 2px;
    }

    .matrix-page-pill {
        padding: 2px 4px;
        font-size: 0.68rem;
        border-radius: 4px;
        gap: 2px;
    }

    .matrix-card-actions {
        gap: 2px;
    }

    .matrix-icon-btn {
        width: 21px;
        height: 21px;
        border-radius: 5px;
    }

    .matrix-icon-btn svg {
        width: 10px;
        height: 10px;
    }

    .matrix-card-footer {
        margin-top: 6px;
        padding-top: 5px;
        gap: 3px;
    }

    .matrix-move-btn {
        width: 24px;
        height: 20px;
    }

    .matrix-move-btn svg {
        width: 10px;
        height: 10px;
    }

    .matrix-pos-indicator {
        font-size: 0.63rem;
    }

    .matrix-export-bar {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: 14px 16px;
        gap: 12px;
        position: sticky;
        bottom: 15px;
        z-index: 90;
        border-radius: 14px;
    }

    .matrix-btn-download {
        justify-content: center;
        width: 100%;
        padding: 12px 18px;
        font-size: 0.92rem;
    }
}

@media (max-width: 380px) {
    .matrix-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 8px;
    }

    .matrix-quick-actions {
        grid-template-columns: 1fr 1fr;
    }

    .matrix-quick-actions button:last-child {
        grid-column: span 2;
    }
}