/* Smart Tools Studio - PDF Editor UI v2.0 */
:root {
    --editor-accent: #ef445c;
    --editor-accent-soft: rgba(239, 68, 92, .11);
}

button, input, textarea, select { font: inherit; }
button { color: inherit; }
.is-hidden { display: none !important; }

.editor-page {
    width: min(1560px, calc(100% - 32px));
    padding-top: 28px;
}

.editor-header-inner { width: min(1560px, calc(100% - 32px)); }

.editor-page-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    text-decoration: none;
    font-size: .87rem;
    font-weight: 760;
    transition: color .18s ease, transform .18s ease;
}

.back-link:hover { color: var(--primary-strong); transform: translateX(-2px); }
.editor-page-actions { display: flex; align-items: center; gap: 10px; }

button, input, textarea, select { font: inherit; }
button { color: inherit; }

.is-hidden { display: none !important; }

.local-badge { display: inline-flex; align-items: center; gap: 7px; color: #9fe7ce; font-size: .78rem; font-weight: 700; }

.button, .icon-button, .tiny-button {
    border: 0;
    cursor: pointer;
    transition: transform .18s ease, background .18s ease, opacity .18s ease, border-color .18s ease;
}

.button:disabled, .icon-button:disabled { opacity: .42; cursor: not-allowed; transform: none; }
.button:not(:disabled):hover, .icon-button:not(:disabled):hover, .tiny-button:hover { transform: translateY(-1px); }

.button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 14px; border-radius: 11px; font-size: .84rem; font-weight: 750; }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--primary-strong), var(--secondary)); box-shadow: 0 9px 24px rgba(48,142,230,.22); }
.button-soft { color: #d6ecff; border: 1px solid rgba(73,169,255,.22); background: rgba(73,169,255,.1); }
.button-ghost { color: #bdd0e4; border: 1px solid var(--border); background: rgba(255,255,255,.035); }
.button-danger-ghost { color: #ff9cac; border: 1px solid rgba(255,100,124,.25); background: rgba(255,100,124,.07); }

.upload-view { min-height: calc(100vh - 120px); display: grid; place-items: center; padding: 36px 0 70px; }
.upload-card { width: min(850px, 100%); padding: clamp(28px, 6vw, 58px); text-align: center; border: 1px solid var(--border); border-radius: 28px; background: linear-gradient(145deg, rgba(17,38,63,.94), rgba(8,20,35,.92)); box-shadow: var(--shadow-lg); }
.hero-icon { width: 76px; height: 76px; display: grid; place-items: center; margin: 0 auto 20px; color: #fff; font-size: 31px; border-radius: 22px; background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 16px 38px rgba(73,169,255,.25); }
.eyebrow { margin: 0 0 10px; color: #87ceff; font-size: .74rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.upload-card h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.55rem); line-height: 1.08; letter-spacing: -.05em; }
.lead { max-width: 650px; margin: 18px auto 28px; color: var(--muted); line-height: 1.7; }

.upload-zone { width: 100%; min-height: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; padding: 25px; color: var(--text); border: 1.5px dashed rgba(119,195,255,.43); border-radius: 20px; background: rgba(73,169,255,.055); cursor: pointer; }
.upload-zone:hover, .upload-zone.is-dragging { border-color: #8fd2ff; background: rgba(73,169,255,.11); }
.upload-symbol { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 4px; color: #8fd2ff; font-size: 24px; border-radius: 16px; background: rgba(73,169,255,.12); }
.upload-zone strong { font-size: 1rem; }
.upload-zone small { color: var(--muted); }

.mode-intro-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin-top: 20px; text-align: left; }
.mode-intro-grid article { display: flex; align-items: flex-start; gap: 13px; padding: 18px; border: 1px solid var(--border); border-radius: 15px; background: rgba(255,255,255,.025); }
.mode-intro-grid article > i { width: 36px; height: 36px; display: grid; place-items: center; flex: 0 0 auto; color: #8fd2ff; border-radius: 10px; background: rgba(73,169,255,.1); }
.mode-intro-grid h2 { margin: 0 0 5px; font-size: .92rem; }
.mode-intro-grid p { margin: 0; color: var(--muted); font-size: .79rem; line-height: 1.55; }

.editor-toolbar { display: flex; align-items: center; gap: 12px; padding: 10px; overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; background: rgba(11,25,43,.88); box-shadow: 0 12px 38px rgba(0,0,0,.18); }
.segmented-control { display: flex; padding: 4px; border: 1px solid var(--border); border-radius: 12px; background: #071423; }
.mode-button { min-width: 124px; padding: 9px 12px; color: var(--muted); border: 0; border-radius: 9px; background: transparent; cursor: pointer; font-size: .79rem; font-weight: 750; }
.mode-button.is-active { color: #fff; background: linear-gradient(135deg, rgba(52,145,232,.85), rgba(108,91,239,.85)); }
.toolbar-group { display: flex; align-items: center; gap: 7px; padding-left: 12px; border-left: 1px solid var(--border); }
.toolbar-actions { margin-left: auto; }
.icon-button, .tiny-button { display: grid; place-items: center; color: #bfd1e4; border: 1px solid var(--border); background: rgba(255,255,255,.04); }
.icon-button { width: 38px; height: 38px; border-radius: 10px; }
.tiny-button { width: 31px; height: 31px; border-radius: 9px; }
.page-indicator { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: .79rem; }
.page-indicator input { width: 48px; height: 35px; color: var(--text); text-align: center; border: 1px solid var(--border); border-radius: 8px; outline: none; background: #071423; }
.zoom-label { min-width: 45px; color: #c3d3e4; text-align: center; font-size: .77rem; font-weight: 750; }

.editor-layout { min-height: calc(100vh - 125px); display: grid; grid-template-columns: 210px minmax(400px,1fr) 290px; gap: 12px; margin-top: 12px; }
.pages-panel, .workspace-panel, .properties-panel { min-height: 0; border: 1px solid var(--border); border-radius: 17px; background: rgba(11,25,43,.86); box-shadow: 0 14px 38px rgba(0,0,0,.16); }
.pages-panel, .properties-panel { overflow: hidden; }
.panel-heading { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 14px; border-bottom: 1px solid var(--border); }
.panel-heading > div { min-width: 0; display: grid; gap: 3px; }
.panel-heading strong { font-size: .88rem; }
.panel-heading small { overflow: hidden; color: var(--muted); font-size: .69rem; text-overflow: ellipsis; white-space: nowrap; }

.page-list { max-height: calc(100vh - 216px); display: grid; align-content: start; gap: 8px; overflow-y: auto; padding: 10px; }
.page-item { width: 100%; display: flex; align-items: center; gap: 10px; padding: 10px; color: #bdd0e4; text-align: left; border: 1px solid transparent; border-radius: 11px; background: rgba(255,255,255,.025); cursor: pointer; }
.page-item:hover { background: rgba(73,169,255,.07); }
.page-item.is-active { color: #fff; border-color: rgba(73,169,255,.35); background: rgba(73,169,255,.12); }
.page-number-icon { width: 32px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; color: #8ed0ff; border: 1px solid rgba(73,169,255,.21); border-radius: 8px; background: #0b1c30; font-size: .72rem; font-weight: 850; }
.page-item span:last-child { display: grid; gap: 3px; font-size: .78rem; }
.page-item small { color: var(--muted); font-size: .64rem; }

.workspace-panel { position: relative; min-width: 0; display: flex; flex-direction: column; overflow: hidden; background: rgba(4,12,22,.85); }
.workspace-message { min-height: 42px; display: flex; align-items: center; gap: 8px; padding: 9px 13px; color: #b9cde0; border-bottom: 1px solid var(--border); background: rgba(73,169,255,.055); font-size: .77rem; }
.workspace-message i { color: #70c3ff; }
.canvas-scroll { flex: 1; min-height: 500px; overflow: auto; padding: 30px; }
.canvas-stage { position: relative; width: max-content; margin: 0 auto; line-height: 0; box-shadow: 0 20px 55px rgba(0,0,0,.45); background: #fff; }
#pdfCanvas { display: block; max-width: none; background: #fff; }
.text-detection-layer, .edit-layer, .click-capture { position: absolute; inset: 0; line-height: normal; }
.text-detection-layer { z-index: 2; }
.edit-layer { z-index: 3; pointer-events: none; }
.click-capture { z-index: 4; cursor: crosshair; background: rgba(73,169,255,.025); }

.detected-text { position: absolute; padding: 0; color: transparent; border: 1px dashed rgba(50,151,238,.58); border-radius: 2px; background: rgba(73,169,255,.035); cursor: text; }
.detected-text:hover { border-style: solid; border-color: #38a6ff; background: rgba(73,169,255,.13); }
.detected-text.ocr-box { border-color: rgba(120,105,255,.68); background: rgba(120,105,255,.045); }
.detected-text.ocr-box:hover { border-color: #978cff; background: rgba(120,105,255,.14); }

.edit-preview { position: absolute; display: flex; align-items: center; min-width: 8px; overflow: hidden; border: 1px solid rgba(36,197,139,.85); outline: 2px solid rgba(36,197,139,.14); background: #fff; white-space: pre-wrap; pointer-events: auto; cursor: pointer; line-height: 1.08; }
.edit-preview.is-selected { border-color: #ffb34f; outline-color: rgba(255,179,79,.22); }
.edit-preview.no-cover { background: transparent !important; }
.edit-preview span { width: 100%; overflow: hidden; }

.progress-card { position: absolute; left: 50%; bottom: 24px; z-index: 10; width: min(390px, calc(100% - 40px)); padding: 14px; transform: translateX(-50%); border: 1px solid rgba(73,169,255,.25); border-radius: 14px; background: rgba(8,22,39,.95); box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.progress-info { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 10px; color: #c4d5e6; font-size: .76rem; }
.progress-track { height: 7px; overflow: hidden; border-radius: 999px; background: #06101d; }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--secondary)); transition: width .2s ease; }

.empty-properties { display: grid; place-items: center; gap: 10px; padding: 38px 24px; color: var(--muted); text-align: center; }
.empty-properties span { width: 50px; height: 50px; display: grid; place-items: center; color: #76c6ff; border-radius: 15px; background: rgba(73,169,255,.08); }
.empty-properties p { margin: 0; font-size: .78rem; line-height: 1.6; }
.properties-form { display: grid; gap: 14px; padding: 15px; border-bottom: 1px solid var(--border); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field { display: grid; gap: 7px; min-width: 0; }
.field span { color: #adc0d4; font-size: .7rem; font-weight: 700; }
.field input, .field textarea, .field select { width: 100%; color: var(--text); border: 1px solid var(--border); border-radius: 9px; outline: none; background: #071423; }
.field input:not([type="color"]), .field textarea, .field select { padding: 9px 10px; }
.field input[type="color"] { min-height: 39px; padding: 4px; cursor: pointer; }
.field textarea { resize: vertical; line-height: 1.45; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: rgba(73,169,255,.65); box-shadow: 0 0 0 3px rgba(73,169,255,.09); }
.field-full { grid-column: 1 / -1; }
.check-field { display: flex; align-items: center; gap: 9px; color: #b8c9da; font-size: .75rem; cursor: pointer; }
.check-field input { accent-color: var(--primary); }
.property-actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.mode-help { margin: 14px; padding: 13px; color: var(--muted); border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,.025); }
.mode-help strong { display: block; margin-bottom: 6px; color: #c9d8e8; font-size: .74rem; }
.mode-help p { margin: 0; font-size: .68rem; line-height: 1.55; }

.toast { position: fixed; left: 50%; bottom: 22px; z-index: 100; max-width: min(500px, calc(100% - 30px)); padding: 12px 16px; color: #fff; border: 1px solid rgba(255,255,255,.13); border-radius: 11px; background: rgba(7,20,35,.96); box-shadow: 0 16px 45px rgba(0,0,0,.36); opacity: 0; pointer-events: none; transform: translate(-50%, 15px); transition: opacity .22s ease, transform .22s ease; font-size: .8rem; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast.is-error { border-color: rgba(255,100,124,.35); }

@media (max-width: 1180px) {
    .editor-layout { grid-template-columns: 170px minmax(380px, 1fr) 270px; }
    .toolbar-actions .button { padding-inline: 10px; }
}

@media (max-width: 980px) {
    .editor-toolbar { flex-wrap: wrap; }
    .toolbar-actions { width: 100%; margin-left: 0; padding-left: 0; border-left: 0; }
    .editor-layout { grid-template-columns: 140px minmax(0,1fr); }
    .properties-panel { grid-column: 1 / -1; }
    .properties-form { grid-template-columns: 1fr 1fr; }
    .properties-form > * { align-self: start; }
}

@media (max-width: 700px) {
    .app-shell { padding: 10px; }
    .app-header { align-items: flex-start; }
    .local-badge { display: none; }
    .header-actions .button { min-height: 40px; padding: 9px 11px; }
    .mode-intro-grid { grid-template-columns: 1fr; }
    .editor-layout { display: block; }
    .pages-panel { margin-bottom: 10px; }
    .page-list { max-height: none; grid-template-columns: repeat(auto-fit, minmax(105px,1fr)); }
    .workspace-panel { min-height: 620px; }
    .properties-panel { margin-top: 10px; }
    .properties-form { display: grid; grid-template-columns: 1fr; }
    .canvas-scroll { padding: 18px; }
    .mode-button { min-width: 112px; }
}

/* Interactive text placement v1.1 */
.direct-text-hint {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 11px;
    color: #bcd0e4;
    border: 1px dashed rgba(73,169,255,.3);
    border-radius: 10px;
    background: rgba(73,169,255,.055);
    font-size: .73rem;
    font-weight: 700;
    white-space: nowrap;
}
.direct-text-hint i { color: #70c3ff; }

.canvas-stage { cursor: text; }
.edit-preview {
    overflow: visible;
    white-space: pre;
    cursor: move;
    user-select: none;
    touch-action: none;
    box-sizing: border-box;
}
.edit-preview span {
    width: 100%;
    overflow: hidden;
    white-space: pre;
    pointer-events: none;
    line-height: 1.08;
}
.edit-preview.is-dragging {
    cursor: grabbing;
    opacity: .9;
    box-shadow: 0 9px 25px rgba(0,0,0,.24);
}
.edit-preview.is-resizing { cursor: ew-resize; }
.edit-resize-handle {
    position: absolute;
    top: 50%;
    right: -8px;
    width: 15px;
    height: 28px;
    padding: 0;
    transform: translateY(-50%);
    border: 2px solid #fff;
    border-radius: 999px;
    background: #ffad3d;
    box-shadow: 0 2px 9px rgba(0,0,0,.3);
    cursor: ew-resize;
    touch-action: none;
}
.edit-resize-handle::before {
    content: '';
    position: absolute;
    inset: 5px 4px;
    border-left: 1px solid rgba(64,38,0,.45);
    border-right: 1px solid rgba(64,38,0,.45);
}

/* PDF Editor v1.2 - Imported images / signatures */
.image-preview {
    padding: 0 !important;
    overflow: visible;
    border-color: rgba(111, 198, 255, .95);
    outline-color: rgba(111, 198, 255, .2);
    background: transparent !important;
}
.image-preview.is-selected {
    border-color: #ffb34f;
    outline-color: rgba(255, 179, 79, .24);
}
.image-preview > img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: fill;
    pointer-events: none;
    user-select: none;
}
.image-resize-handle {
    top: auto;
    right: -9px;
    bottom: -9px;
    width: 19px;
    height: 19px;
    transform: none;
    border-radius: 6px;
    cursor: nwse-resize;
}
.image-resize-handle::before {
    inset: 4px;
    border: 0;
    border-right: 2px solid rgba(64, 38, 0, .48);
    border-bottom: 2px solid rgba(64, 38, 0, .48);
}
.image-property-preview {
    min-height: 118px;
    display: grid;
    place-items: center;
    padding: 12px;
    border: 1px dashed rgba(73, 169, 255, .25);
    border-radius: 12px;
    background: rgba(255, 255, 255, .035);
}
.image-property-preview img {
    display: block;
    max-width: 100%;
    max-height: 130px;
    object-fit: contain;
    filter: drop-shadow(0 8px 14px rgba(0, 0, 0, .2));
}
.property-note {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
    color: var(--muted);
    font-size: .74rem;
    line-height: 1.5;
}
.property-note i { color: #70c3ff; margin-top: 2px; }
.field input[type="range"] {
    width: 100%;
    accent-color: #4aa8ff;
}
.field > span b {
    float: right;
    color: #7bc8ff;
    font-size: .72rem;
}

@media (max-width: 700px) {
    #importImageButton { flex: 1 1 auto; }
}

/* PDF Editor v1.3 - Create Signature */
body.modal-open { overflow: hidden; }

.signature-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(1, 7, 14, .78);
    backdrop-filter: blur(12px);
}

.signature-modal {
    width: min(880px, 100%);
    max-height: min(92vh, 840px);
    overflow-y: auto;
    border: 1px solid rgba(126, 188, 255, .25);
    border-radius: 24px;
    background: linear-gradient(155deg, rgba(17, 38, 63, .99), rgba(7, 18, 32, .99));
    box-shadow: 0 30px 100px rgba(0, 0, 0, .58);
}

.signature-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 24px 17px;
    border-bottom: 1px solid var(--border);
}
.signature-modal-header .eyebrow { margin-bottom: 5px; }
.signature-modal-header h2 { margin: 0; font-size: 1.35rem; letter-spacing: -.02em; }
.signature-modal-header p:not(.eyebrow) { margin: 7px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.55; }
.signature-close-button {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    color: #c8d8e8;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255,255,255,.04);
    cursor: pointer;
}
.signature-close-button:hover { color: #fff; border-color: rgba(73,169,255,.45); background: rgba(73,169,255,.1); }

.signature-privacy-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 16px 24px 0;
    padding: 12px 14px;
    color: #a9ddcd;
    border: 1px solid rgba(36,197,139,.2);
    border-radius: 12px;
    background: rgba(36,197,139,.065);
    font-size: .74rem;
    line-height: 1.55;
}
.signature-privacy-note i { margin-top: 2px; color: #5be0b2; }

.signature-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin: 16px 24px 0;
    padding: 5px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: #071423;
}
.signature-tab {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--muted);
    border: 0;
    border-radius: 9px;
    background: transparent;
    cursor: pointer;
    font-size: .8rem;
    font-weight: 800;
}
.signature-tab.is-active { color: #fff; background: linear-gradient(135deg, rgba(52,145,232,.9), rgba(108,91,239,.88)); }

.signature-panel { padding: 16px 24px 4px; }
.signature-canvas-wrap {
    position: relative;
    min-height: 230px;
    overflow: hidden;
    border: 1px dashed rgba(109,190,255,.36);
    border-radius: 16px;
    background-color: #fff;
    background-image:
        linear-gradient(45deg, #f1f4f7 25%, transparent 25%),
        linear-gradient(-45deg, #f1f4f7 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #f1f4f7 75%),
        linear-gradient(-45deg, transparent 75%, #f1f4f7 75%);
    background-size: 24px 24px;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0;
}
.signature-canvas-wrap canvas {
    position: relative;
    z-index: 2;
    width: 100%;
    height: auto;
    min-height: 230px;
    display: block;
    cursor: crosshair;
    background: transparent;
}
.signature-type-preview canvas { cursor: default; }
.signature-canvas-placeholder {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: grid;
    place-items: center;
    padding: 20px;
    color: #7f8b99;
    text-align: center;
    pointer-events: none;
    font-size: .85rem;
    font-weight: 700;
}

.signature-controls {
    display: flex;
    align-items: end;
    gap: 10px;
    margin-top: 12px;
}
.signature-control { display: grid; gap: 7px; min-width: 105px; }
.signature-control-grow { flex: 1; }
.signature-control span { color: #adc0d4; font-size: .7rem; font-weight: 700; }
.signature-control span b { float: right; color: #7bc8ff; }
.signature-control input[type="color"] {
    width: 100%;
    min-height: 42px;
    padding: 4px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #071423;
    cursor: pointer;
}
.signature-control input[type="range"] { width: 100%; accent-color: var(--primary); }

.signature-type-fields {
    display: grid;
    grid-template-columns: 1fr 180px;
    gap: 10px;
    margin-bottom: 12px;
}
.signature-type-fields .field-full { grid-column: 1 / -1; }

.signature-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 14px;
    padding: 16px 24px 22px;
    border-top: 1px solid var(--border);
}

@media (max-width: 760px) {
    #createSignatureButton { flex: 1 1 auto; }
    .signature-modal-backdrop { align-items: end; padding: 0; }
    .signature-modal { max-height: 94vh; border-radius: 22px 22px 0 0; }
    .signature-modal-header { padding: 18px 16px 14px; }
    .signature-privacy-note, .signature-tabs { margin-inline: 16px; }
    .signature-panel { padding-inline: 16px; }
    .signature-controls { align-items: stretch; flex-wrap: wrap; }
    .signature-control { flex: 1 1 120px; }
    .signature-controls .button { flex: 1 1 135px; }
    .signature-type-fields { grid-template-columns: 1fr; }
    .signature-type-fields .field-full { grid-column: auto; }
    .signature-canvas-wrap, .signature-canvas-wrap canvas { min-height: 180px; }
    .signature-modal-footer { display: grid; grid-template-columns: 1fr; padding: 14px 16px 18px; }
}


/* PDF Editor v1.4 - Unicode symbol picker */
.symbol-picker {
    display: grid;
    gap: 8px;
    padding: 12px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.45);
}

.symbol-picker > span {
    font-size: 0.78rem;
    font-weight: 700;
    color: #cbd5e1;
}

.symbol-picker small {
    color: #94a3b8;
    line-height: 1.45;
}

.symbol-picker-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.symbol-button {
    width: 36px;
    height: 36px;
    display: inline-grid;
    place-items: center;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: #f8fafc;
    font: 700 1.08rem/1 "DejaVu Sans", "Segoe UI Symbol", sans-serif;
    cursor: pointer;
    transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.symbol-button:hover,
.symbol-button:focus-visible {
    border-color: #60a5fa;
    background: rgba(59, 130, 246, 0.16);
    transform: translateY(-1px);
    outline: none;
}


/* Unified Smart Tools UI v2.0 */
.local-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 12px;
    color: var(--success);
    font-size: .78rem;
    font-weight: 760;
    border: 1px solid color-mix(in srgb, var(--success) 25%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--success) 9%, transparent);
}

.button-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.button-soft { color: var(--primary-strong); border-color: color-mix(in srgb, var(--primary) 25%, var(--border)); background: var(--primary-soft); }
.button-ghost { color: var(--text-soft); background: color-mix(in srgb, var(--surface-soft) 82%, transparent); }
.button-danger-ghost { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 27%, transparent); background: color-mix(in srgb, var(--danger) 8%, transparent); }

.upload-view { min-height: auto; padding: 0 0 34px; }
.upload-card {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(250px, .55fr);
    gap: 30px 42px;
    align-items: center;
    overflow: hidden;
    padding: clamp(30px, 5vw, 56px);
    text-align: left;
    background:
        radial-gradient(circle at 88% 8%, rgba(239, 68, 92, .13), transparent 23rem),
        linear-gradient(145deg, var(--surface), var(--surface-strong));
    box-shadow: var(--shadow-lg);
}

.upload-hero-copy { position: relative; z-index: 2; }
.tool-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 17px;
    padding: 8px 12px;
    color: var(--primary-strong);
    font-size: .72rem;
    font-weight: 860;
    letter-spacing: .09em;
    text-transform: uppercase;
    border: 1px solid color-mix(in srgb, var(--primary) 28%, transparent);
    border-radius: 999px;
    background: var(--primary-soft);
}

.upload-card h1 {
    max-width: 800px;
    color: var(--text);
    font-size: clamp(2.25rem, 5vw, 4.2rem);
    line-height: 1.04;
    letter-spacing: -.055em;
}

.gradient-text {
    color: transparent;
    background: linear-gradient(120deg, #ef445c, #805cff 58%, #268cff);
    -webkit-background-clip: text;
    background-clip: text;
}

.lead { max-width: 760px; margin: 20px 0 0; font-size: clamp(.98rem, 2vw, 1.08rem); }
.tool-features { display: flex; flex-wrap: wrap; gap: 11px 20px; margin-top: 24px; color: var(--text-soft); font-size: .86rem; font-weight: 650; }
.tool-features span { display: inline-flex; align-items: center; gap: 8px; }
.tool-features i { color: var(--success); }

.upload-hero-visual { position: relative; width: min(310px, 100%); aspect-ratio: 1; justify-self: center; }
.editor-document-card {
    position: absolute;
    display: grid;
    place-items: center;
    width: 145px;
    height: 188px;
    color: #fff;
    font-size: 51px;
    border-radius: 24px;
    box-shadow: 0 26px 60px rgba(15, 23, 42, .22);
}
.editor-document-back { top: 15%; left: 4%; color: #dceeff; background: linear-gradient(145deg, #176ccc, #239ef1); transform: rotate(-11deg) scale(.86); }
.editor-document-front { top: 23%; right: 7%; color: #fff0f2; background: linear-gradient(145deg, #df354e, #ff6178); transform: rotate(8deg); }
.editor-pen-badge { position: absolute; left: 9%; bottom: 10%; width: 67px; height: 67px; display: grid; place-items: center; color: #fff; font-size: 23px; border: 6px solid var(--surface-strong); border-radius: 22px; background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 18px 38px rgba(47,132,255,.28); }

.upload-action-panel { grid-column: 1 / -1; }
.upload-zone {
    min-height: 174px;
    border-color: color-mix(in srgb, var(--primary) 52%, var(--border));
    background: linear-gradient(145deg, color-mix(in srgb, var(--primary-soft) 72%, transparent), var(--surface-soft));
    box-shadow: inset 0 1px rgba(255,255,255,.04);
}
.upload-zone:hover, .upload-zone.is-dragging { border-color: var(--primary); background: color-mix(in srgb, var(--primary-soft) 88%, var(--surface-soft)); }
.upload-symbol { color: var(--primary-strong); background: var(--surface-strong); box-shadow: var(--shadow-sm); }
.choose-file-pill { margin-top: 5px; padding: 9px 14px; color: #fff; font-size: .78rem; font-weight: 800; border-radius: 11px; background: linear-gradient(135deg, var(--primary), var(--secondary)); }

.mode-intro-grid { grid-column: 1 / -1; margin-top: 0; }
.mode-intro-grid article { background: color-mix(in srgb, var(--surface-soft) 78%, transparent); }
.mode-intro-grid article > i { color: var(--primary-strong); background: var(--primary-soft); }

.editor-toolbar,
.pages-panel,
.properties-panel {
    background: linear-gradient(145deg, var(--surface), var(--surface-strong));
    box-shadow: var(--shadow-sm);
}

.segmented-control,
.page-indicator input,
.signature-tabs,
.signature-control input[type="color"] { background: var(--surface-soft); }

.icon-button,
.tiny-button { color: var(--text-soft); background: var(--surface-soft); }
.zoom-label,
.page-item,
.workspace-message,
.direct-text-hint { color: var(--text-soft); }
.page-item { background: color-mix(in srgb, var(--surface-soft) 72%, transparent); }
.page-item.is-active { color: var(--text); }
.page-number-icon { color: var(--primary-strong); background: var(--surface-soft); }

.workspace-panel { background: color-mix(in srgb, var(--surface-soft) 76%, #dbe3ee); }
html[data-theme="dark"] .workspace-panel { background: rgba(4, 12, 22, .86); }
.canvas-stage { box-shadow: 0 20px 55px rgba(15, 23, 42, .26); }

.properties-form input,
.properties-form textarea,
.properties-form select,
.field input,
.field textarea,
.field select { color: var(--text); background: var(--surface-soft); }

.image-property-preview,
.symbol-picker { background: color-mix(in srgb, var(--surface-soft) 82%, transparent); }
.symbol-picker > span { color: var(--text-soft); }
.symbol-picker small { color: var(--muted); }
.symbol-button { color: var(--text); background: var(--surface-strong); border-color: var(--border); }

.signature-modal-backdrop { background: rgba(2, 8, 18, .68); }
.signature-modal { border-color: var(--border-strong); background: linear-gradient(155deg, var(--surface-strong), var(--surface)); box-shadow: var(--shadow-lg); }
.signature-close-button { color: var(--text-soft); background: var(--surface-soft); }
.signature-control span { color: var(--text-soft); }

.editor-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 30px 4px 36px;
    color: var(--muted);
    font-size: .82rem;
}
.editor-footer > div { display: flex; flex-wrap: wrap; gap: 16px; }
.editor-footer a { color: var(--text-soft); text-decoration: none; font-weight: 720; }
.editor-footer a:hover { color: var(--primary-strong); }
.editor-footer p { margin: 0; }

@media (max-width: 1180px) {
    .upload-card { grid-template-columns: minmax(0, 1fr) 240px; }
    .editor-page-actions .local-badge { display: none; }
}

@media (max-width: 860px) {
    .upload-card { grid-template-columns: 1fr; text-align: center; }
    .upload-hero-visual { display: none; }
    .lead { margin-inline: auto; }
    .tool-features { justify-content: center; }
    .editor-page-topbar { align-items: flex-start; }
    .editor-footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 700px) {
    .editor-page, .editor-header-inner { width: min(100% - 20px, 1560px); }
    .editor-page-topbar { gap: 10px; }
    .editor-page-actions .button { min-height: 40px; padding-inline: 11px; }
    .upload-card { padding: 28px 18px; border-radius: 22px; }
    .mode-intro-grid { grid-template-columns: 1fr; }
    .editor-toolbar { border-radius: 14px; }
    .editor-footer { padding-bottom: 24px; }
}