/* ============================================================
   CAD Machining Analyzer — page styles
   Inherits global variables from ../styles.css
   ============================================================ */

body {
    opacity: 1;
    animation: none;
    transition: none;
}

/* Keep the working interface out of retained animation/compositing layers. */
.cad-page .content-wrapper {
    opacity: 1;
    transform: none;
    filter: none;
    animation: none;
    transition: none;
}

.cad-page .section-content-area {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transform: none;
    transition: none;
}

.cad-page .section-content-area:hover {
    transform: none;
}

.cad-page .section-title,
.cad-page .section-subtitle,
.cad-page .component-icon {
    opacity: 1;
    transform: none;
    animation: none;
}

.cad-page .section-title,
.cad-page .section-heading {
    text-shadow: none;
}

.cad-page {
    min-height: 100vh;
    position: relative;
}

/* ── Hero ── */
.hero-section {
    min-height: 38vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 10;
    padding: 90px 24px 36px;
}

.component-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
    opacity: 0;
    animation: fadeInDown 0.8s ease-out 0.4s forwards;
}

.header-component-svg {
    width: 200px;
    height: 80px;
    filter: drop-shadow(0 0 15px var(--glow-green));
    animation: pulse 3s ease-in-out infinite;
}

.section-title {
    font-size: 2.8rem;
    letter-spacing: 8px;
    text-shadow: 0 0 30px var(--glow-green);
    margin-bottom: 12px;
    font-weight: 300;
    opacity: 0;
    animation: fadeInDown 0.8s ease-out 0.6s forwards;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--accent-green);
    letter-spacing: 3px;
    opacity: 0;
    animation: fadeInDown 0.8s ease-out 0.8s forwards;
}

/* ── Content ── */
.content-section {
    display: flex;
    justify-content: center;
    padding: 0 24px 80px;
    position: relative;
    z-index: 10;
}

.content-wrapper {
    width: min(100%, 1400px);
    opacity: 0;
    transform: translateY(40px);
    animation: contentRise 0.6s ease-out 0.8s forwards;
}

/* ── How-to banner ── */
.how-to-panel {
    margin-bottom: 28px;
    padding: 18px 24px;
    border: 1px solid var(--dim-green);
    border-radius: 8px;
    background: rgba(0, 102, 26, 0.12);
}

.how-to-label {
    color: var(--accent-green);
    font-size: 0.85rem;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.how-to-steps {
    margin: 0;
    padding-left: 22px;
    color: var(--accent-green);
    font-size: 0.9rem;
    line-height: 1.9;
    letter-spacing: 0.5px;
}

.how-to-steps strong { color: var(--circuit-green); }
.how-to-steps code {
    background: rgba(0,255,65,0.1);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.88em;
}

/* ── Two-column layout ── */
.two-col {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: 28px;
    align-items: start;
}

@media (max-width: 900px) {
    .two-col { grid-template-columns: minmax(0, 1fr); }
}

.input-col,
.output-col {
    min-width: 0;
}

/* ── Shared panel headings / content ── */
.section-heading {
    font-size: 1.6rem;
    letter-spacing: 5px;
    text-shadow: 0 0 16px var(--glow-green);
    margin-bottom: 18px;
    font-weight: 300;
    color: var(--circuit-green);
    border-bottom: 2px solid var(--circuit-green);
    padding-bottom: 14px;
    box-shadow: 0 2px 12px var(--glow-green);
}

.section-content-area {
    padding: 24px;
    background: rgba(10, 14, 56, 0.68);
    border: 2px solid var(--circuit-green);
    border-radius: 8px;
    box-shadow: 0 0 18px var(--glow-green);
}

.section-description {
    font-size: 0.95rem;
    color: var(--accent-green);
    letter-spacing: 1.2px;
    margin-bottom: 18px;
}

/* ── Dropzone ── */
.upload-dropzone {
    display: block;
    padding: 22px;
    border: 2px dashed var(--accent-green);
    border-radius: 8px;
    background: rgba(0,0,0,0.25);
    cursor: pointer;
    text-align: center;
    transition: all 0.25s ease;
    margin-bottom: 0;
}

.upload-dropzone:hover,
.upload-dropzone.drag-active {
    border-color: var(--circuit-green);
    box-shadow: 0 0 16px var(--glow-green);
    transform: translateY(-1px);
}

.upload-dropzone-title {
    display: block;
    font-size: 1rem;
    letter-spacing: 1.5px;
    color: var(--circuit-green);
    margin-bottom: 5px;
}

.upload-dropzone-subtitle {
    display: block;
    font-size: 0.82rem;
    color: var(--accent-green);
    letter-spacing: 0.8px;
}

/* ── OR divider ── */
.or-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    color: var(--dim-green);
    font-size: 0.8rem;
    letter-spacing: 3px;
}
.or-divider::before,
.or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--dim-green);
}

/* ── DXF Textarea ── */
.dxf-textarea {
    width: 100%;
    height: 180px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--accent-green);
    border-radius: 6px;
    color: var(--circuit-green);
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    padding: 12px;
    resize: vertical;
    outline: none;
    letter-spacing: 0.5px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.dxf-textarea:focus {
    border-color: var(--circuit-green);
    box-shadow: 0 0 10px var(--glow-green);
}

.dxf-textarea::placeholder { color: var(--dim-green); }

/* ── Buttons ── */
.input-actions {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.upload-button,
.secondary-button {
    appearance: none;
    border: 2px solid var(--circuit-green);
    background: rgba(0,0,0,0.28);
    color: var(--circuit-green);
    font: inherit;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 6px;
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.25s ease;
    font-size: 0.85rem;
}

.upload-button {
    box-shadow: 0 0 12px var(--glow-green);
}

.upload-button:hover,
.secondary-button:hover {
    background: var(--circuit-green);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--glow-green);
}

.upload-button:disabled,
.secondary-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.status-message {
    min-height: 1.4rem;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--accent-green);
    letter-spacing: 1px;
}

.status-message.error { color: #ff6b6b; }
.status-message.ok    { color: var(--circuit-green); }

/* ── Options ── */
.option-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}
.option-row:last-child { margin-bottom: 0; }

.option-label {
    font-size: 0.88rem;
    color: var(--accent-green);
    letter-spacing: 1px;
    white-space: nowrap;
}

.option-select {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--accent-green);
    border-radius: 5px;
    color: var(--circuit-green);
    font: inherit;
    font-size: 0.82rem;
    padding: 7px 10px;
    outline: none;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: border-color 0.2s;
    flex: 1;
    min-width: 0;
}
.option-select:focus {
    border-color: var(--circuit-green);
    box-shadow: 0 0 8px var(--glow-green);
}
.option-select option { background: #0a0e1a; }

/* ── Drawing output ── */
.drawing-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 0;
}

.drawing-header .section-heading {
    margin-bottom: 18px;
    flex: 1;
}

.canvas-wrapper {
    width: 100%;
    background: #ffffff;
    border: 2px solid var(--circuit-green);
    border-radius: 8px;
    box-shadow: 0 0 18px var(--glow-green);
    overflow: hidden;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--circuit-green);
    padding: 40px;
    text-align: center;
}

#drawing-canvas {
    display: block;
    width: 100%;
    height: auto;
}

/* ── Instructions section ── */
.hidden { display: none !important; }

.table-scroll {
    overflow-x: auto;
    margin-bottom: 28px;
}

.hole-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    letter-spacing: 0.5px;
}

.hole-table th,
.hole-table td {
    padding: 9px 12px;
    text-align: left;
    border: 1px solid rgba(0,255,65,0.2);
    white-space: nowrap;
}

.hole-table th {
    background: rgba(0,255,65,0.08);
    color: var(--circuit-green);
    letter-spacing: 2px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
}

.hole-table td { color: var(--accent-green); }
.hole-table td:first-child {
    color: var(--circuit-green);
    font-weight: 700;
}

.hole-table tr:hover td {
    background: rgba(0,255,65,0.05);
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.72rem;
    letter-spacing: 1px;
    font-weight: 700;
}
.badge-through   { background: rgba(0,255,65,0.15); color: var(--circuit-green); border: 1px solid var(--circuit-green); }
.badge-tap       { background: rgba(0,180,255,0.12); color: #00bfff; border: 1px solid #00bfff; }
.badge-bore      { background: rgba(255,200,0,0.12); color: #ffd700; border: 1px solid #ffd700; }
.badge-small     { background: rgba(255,107,107,0.12); color: #ff9999; border: 1px solid #ff6b6b; }

/* ── Operations list ── */
.ops-heading {
    font-size: 1rem;
    letter-spacing: 4px;
    color: var(--circuit-green);
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,255,65,0.3);
}

.ops-list {
    padding-left: 22px;
    margin-bottom: 28px;
    color: var(--accent-green);
    line-height: 2;
    font-size: 0.9rem;
}

.ops-list li {
    padding-left: 6px;
    letter-spacing: 0.5px;
}

.ops-list li strong { color: var(--circuit-green); }

.ops-list li + li { margin-top: 4px; }

/* ── Speed & feed grid ── */
.sf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.sf-card {
    padding: 14px 16px;
    border: 1px solid rgba(0,255,65,0.25);
    border-radius: 6px;
    background: rgba(0,0,0,0.2);
}

.sf-card-title {
    font-size: 0.78rem;
    color: var(--circuit-green);
    letter-spacing: 2px;
    font-weight: 700;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.sf-card-body {
    font-size: 0.82rem;
    color: var(--accent-green);
    line-height: 1.8;
}

.sf-card-body span { color: var(--circuit-green); }

/* ── Print row ── */
.print-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
}

/* ── Animations ── */
@keyframes pageLoad   { to { opacity: 1; } }
@keyframes contentRise { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0%, 100% { filter: drop-shadow(0 0 8px var(--glow-green)); }
    50%       { filter: drop-shadow(0 0 20px var(--glow-green)); }
}

/* ── Mobile ── */
@media (max-width: 600px) {
    .section-title { font-size: 1.9rem; letter-spacing: 4px; }
    .section-heading { font-size: 1.25rem; letter-spacing: 3px; }
    .section-content-area { padding: 16px; }
    .how-to-steps { font-size: 0.82rem; }

    .cad-page .hero-section {
        min-height: auto;
        padding: 40px 16px 28px;
    }

    .cad-page .content-section {
        padding-top: 24px;
    }

    .cad-page .section-heading {
        font-size: 1.3rem;
        letter-spacing: 0.08em;
    }

    .how-to-panel { padding: 16px; }
    .how-to-steps { font-size: 0.92rem; overflow-wrap: anywhere; }

    .drawing-header { flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
    .drawing-header .section-heading { flex-basis: 100%; margin-bottom: 0; }
    .option-row { flex-direction: column; align-items: stretch; gap: 8px; }
    .option-select { width: 100%; min-height: 44px; font-size: 16px; }
    .dxf-textarea { font-size: 16px; }
    .upload-button, .secondary-button { min-height: 44px; max-width: 100%; }
    .canvas-wrapper { min-height: 220px; }
    .canvas-placeholder { padding: 24px; }
    .sf-grid { grid-template-columns: minmax(0, 1fr); }
    .ops-heading, .ops-list, .sf-card { overflow-wrap: anywhere; }
}