/* ============================================================
   Tool Picker — landing-page file → tool selection overlay
   ============================================================ */

.tool-picker-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.tool-picker-overlay.open {
    opacity: 1;
    pointer-events: all;
}

/* Backdrop */
.picker-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* Slide-up panel */
.picker-panel {
    position: relative;
    background: var(--bg-white);
    border-radius: 1.5rem 1.5rem 0 0;
    padding: 2rem;
    width: 100%;
    max-width: 740px;
    max-height: 92vh;
    overflow-y: auto;
    transform: translateY(110%);
    transition: transform 0.38s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 -8px 40px rgb(0 0 0 / 0.18);
}

.tool-picker-overlay.open .picker-panel {
    transform: translateY(0);
}

/* Drag handle pill */
.picker-panel::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    margin: 0 auto 1.75rem;
}

/* ── Header (file info + close) ── */
.picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.picker-file-info {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    min-width: 0;
}

.picker-file-icon {
    width: 44px;
    height: 44px;
    border-radius: 0.625rem;
    background: #fee2e2;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.picker-file-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 280px;
}

.picker-file-size {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

.picker-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 0.75rem;
}

.picker-close:hover { background: var(--border); color: var(--text-dark); }

/* ── Heading ── */
.picker-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

/* ── Large-file warning ── */
.picker-large-file-note {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    background: #fef9c3;
    border: 1px solid #fde047;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    color: #854d0e;
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.picker-large-file-note svg { flex-shrink: 0; }

/* ── Search input ── */
.picker-search-container {
    margin-bottom: 1.5rem;
    position: relative;
}

.picker-search {
    width: 100%;
    padding: 0.75rem 2.75rem 0.75rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 0.625rem;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-dark);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.picker-search:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.picker-search::placeholder { color: var(--text-muted); }

.picker-search-icon {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.picker-no-results {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
}

.picker-no-results svg {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    opacity: 0.3;
}

/* ── Tool grid ── */
.picker-tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.picker-tool-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.picker-tool-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.picker-tool-card .tool-icon {
    width: 40px;
    height: 40px;
    font-size: inherit;
}

.picker-tool-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    letter-spacing: -0.01em;
}

.picker-tool-card p {
    font-size: 0.775rem;
    color: var(--text-muted);
    line-height: 1.35;
    margin: 0;
}

/* ── Footer link ── */
.picker-all-tools {
    display: block;
    text-align: center;
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
    padding: 0.5rem;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.picker-all-tools:hover { background: var(--primary-light); }

/* ── Dropzone analysing state ── */
.dropzone-analysing {
    border-color: var(--primary) !important;
    background-color: var(--primary-light) !important;
}

.dropzone-analysing .drop-icon-wrapper {
    animation: picker-pulse 1s ease-in-out infinite;
}

@keyframes picker-pulse {
    0%, 100% { transform: scale(1);    opacity: 1;   }
    50%       { transform: scale(1.08); opacity: 0.75; }
}

/* ── Mobile: 2-column grid, full-width panel ── */
@media (max-width: 600px) {
    .picker-tool-grid     { grid-template-columns: repeat(2, 1fr); }
    .picker-panel         { padding: 1.5rem; border-radius: 1.25rem 1.25rem 0 0; }
    .picker-file-name     { max-width: 160px; }
    .picker-title         { font-size: 1.1rem; }
}

/* ── Desktop: centre as a floating card ── */
@media (min-width: 768px) {
    .tool-picker-overlay  { align-items: center; }
    .picker-panel         { border-radius: 1.25rem; }
}