:root {
    --bg-color: #09111f;
    --bg-accent: #10213a;
    --surface-color: rgba(12, 21, 37, 0.78);
    --surface-muted: rgba(14, 25, 43, 0.58);
    --surface-strong: rgba(7, 15, 29, 0.9);
    --surface-elevated: rgba(19, 32, 53, 0.92);
    --text-primary: #f6f8fc;
    --text-secondary: #9fb1c8;
    --text-muted: #7f93ae;
    --primary-color: #2f8cff;
    --primary-hover: #1d74df;
    --secondary-accent: #14b8a6;
    --danger-color: #f87171;
    --success-color: #34d399;
    --border-color: rgba(162, 184, 214, 0.18);
    --border-strong: rgba(162, 184, 214, 0.28);
    --input-bg: rgba(7, 15, 29, 0.72);
    --input-border: rgba(159, 177, 200, 0.18);
    --drop-zone-bg: rgba(10, 24, 45, 0.82);
    --drop-zone-border: rgba(47, 140, 255, 0.4);
    --shadow-sm: 0 12px 28px rgba(2, 8, 20, 0.18);
    --shadow-md: 0 24px 55px rgba(2, 8, 20, 0.28);
    --shadow-lg: 0 30px 80px rgba(2, 8, 20, 0.34);
    --shadow-glow: 0 0 0 1px rgba(47, 140, 255, 0.08), 0 18px 40px rgba(47, 140, 255, 0.16);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 26px;
    --radius-xl: 34px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition-fast: 0.18s ease;
    --transition-normal: 0.28s ease;
}

[data-theme="light"] {
    --bg-color: #eef4fb;
    --bg-accent: #dfeaf8;
    --surface-color: rgba(255, 255, 255, 0.86);
    --surface-muted: rgba(247, 250, 255, 0.9);
    --surface-strong: rgba(255, 255, 255, 0.96);
    --surface-elevated: rgba(247, 250, 255, 0.98);
    --text-primary: #0f1f35;
    --text-secondary: #50637d;
    --text-muted: #6f8097;
    --primary-color: #216ae6;
    --primary-hover: #1757bf;
    --secondary-accent: #0d9488;
    --danger-color: #dc2626;
    --success-color: #059669;
    --border-color: rgba(73, 96, 128, 0.12);
    --border-strong: rgba(73, 96, 128, 0.2);
    --input-bg: rgba(245, 248, 253, 0.95);
    --input-border: rgba(117, 139, 167, 0.16);
    --drop-zone-bg: rgba(243, 248, 255, 0.95);
    --drop-zone-border: rgba(33, 106, 230, 0.26);
    --shadow-sm: 0 12px 24px rgba(85, 104, 134, 0.08);
    --shadow-md: 0 22px 50px rgba(85, 104, 134, 0.12);
    --shadow-lg: 0 34px 80px rgba(85, 104, 134, 0.16);
    --shadow-glow: 0 0 0 1px rgba(33, 106, 230, 0.06), 0 14px 32px rgba(33, 106, 230, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background:
        radial-gradient(circle at top left, rgba(47, 140, 255, 0.14), transparent 30%),
        radial-gradient(circle at bottom right, rgba(20, 184, 166, 0.12), transparent 28%),
        linear-gradient(180deg, var(--bg-accent), var(--bg-color));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow-x: hidden;
    line-height: 1.5;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.background-elements {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(159, 177, 200, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(159, 177, 200, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 85%);
}

.blob {
    position: absolute;
    border-radius: 999px;
    filter: blur(90px);
    opacity: 0.52;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    top: -6%;
    left: -8%;
    width: 36rem;
    height: 36rem;
    background: radial-gradient(circle, rgba(47, 140, 255, 0.46), transparent 68%);
}

.blob-2 {
    bottom: -18%;
    right: -12%;
    width: 42rem;
    height: 42rem;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.28), transparent 72%);
    animation-delay: -5s;
}

.blob-3 {
    top: 28%;
    left: 50%;
    width: 24rem;
    height: 24rem;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 68%);
    animation-duration: 24s;
}

@keyframes float {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    100% {
        transform: translate3d(6%, 8%, 0) scale(1.08);
    }
}

.container {
    width: min(1280px, calc(100% - 2rem));
    padding: 1.6rem 0 3rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1.35rem;
    z-index: 1;
}

.hero-panel,
.glass-panel,
.glass-panel-small {
    background: var(--surface-color);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.hero-panel,
.glass-panel {
    border-radius: var(--radius-xl);
}

.glass-panel {
    padding: 1.5rem;
}

.glass-panel-small {
    border-radius: var(--radius-lg);
    width: 100%;
    padding: 0.9rem;
}

.hero-panel {
    padding: 1.35rem 1.5rem 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.hero-body {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    max-width: 52rem;
}

.eyebrow,
.section-kicker {
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--secondary-accent);
}

.badge-free {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.2);
    color: var(--success-color);
    padding: 0.5rem 0.85rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
}

.header-right-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lang-selector,
.theme-toggle {
    background: var(--surface-strong);
    border: 1px solid var(--border-color);
}

.lang-selector {
    display: flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.3rem 0.75rem;
    gap: 0.45rem;
    color: var(--text-primary);
}

.lang-selector ion-icon {
    color: var(--primary-color);
    font-size: 1rem;
}

.lang-toggle {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.84rem;
    cursor: pointer;
    outline: none;
}

.theme-toggle {
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
    transform: translateY(-1px);
    background: rgba(47, 140, 255, 0.12);
    border-color: rgba(47, 140, 255, 0.22);
}

.logo-container {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 1.6rem;
    box-shadow: var(--shadow-glow);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    flex-shrink: 0;
}

.app-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

h1,
h2,
h3 {
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 4vw, 3.35rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
    font-weight: 700;
}

h2 {
    font-size: 1.4rem;
    line-height: 1.1;
    font-weight: 700;
}

h3 {
    font-size: 1rem;
    line-height: 1.2;
    font-weight: 650;
}

p {
    color: var(--text-secondary);
    font-size: 0.98rem;
}

.tool-suite-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

.tool-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    padding: 1rem 1.1rem;
    font: inherit;
    font-weight: 650;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.tool-tab:hover {
    color: var(--text-primary);
    background: rgba(47, 140, 255, 0.08);
}

.tool-tab.active {
    background: linear-gradient(135deg, rgba(47, 140, 255, 0.16), rgba(20, 184, 166, 0.1));
    border-color: rgba(47, 140, 255, 0.18);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.tool-panel {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.zpl-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.95fr);
    gap: 1.25rem;
    align-items: start;
}

.zpl-main-column,
.zpl-side-column,
.pdf-tools-shell {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pdf-tools-shell {
    gap: 1.25rem;
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 1rem;
}

.section-heading-inline {
    margin-bottom: 0;
}

.section-heading-tight {
    margin-bottom: 1.1rem;
}

.tabs {
    display: inline-grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    background: var(--surface-strong);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.32rem;
    margin-bottom: 1rem;
    gap: 0.25rem;
}

.tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.94rem;
    font-weight: 600;
    padding: 0.82rem 0.9rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    background: var(--surface-elevated);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.drop-zone,
.file-info,
.settings-block,
.history-item,
.pdf-file-row,
.pdf-output-row {
    background: var(--surface-muted);
    border: 1px solid var(--border-color);
}

.drop-zone {
    border-style: dashed;
    border-width: 1.5px;
    border-radius: var(--radius-lg);
    padding: 2.3rem 1.4rem;
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--drop-zone-border);
    background: rgba(47, 140, 255, 0.08);
    transform: translateY(-1px);
}

.drop-zone ion-icon {
    font-size: 2.8rem;
    color: var(--primary-color);
}

.file-hint {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--radius-md);
    padding: 0.9rem 1rem;
    margin-top: 1rem;
}

.file-details {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    overflow: hidden;
}

.file-details ion-icon {
    color: var(--primary-color);
    font-size: 1.35rem;
}

.file-details span {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.textarea-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.textarea-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.textarea-header label,
.setting-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

textarea,
select,
input[type="number"],
input[type="text"] {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

textarea {
    min-height: 12.2rem;
    resize: vertical;
    font-family: 'Courier New', Courier, monospace;
    line-height: 1.45;
}

textarea:focus,
select:focus,
input[type="number"]:focus,
input[type="text"]:focus {
    outline: none;
    border-color: rgba(47, 140, 255, 0.55);
    box-shadow: 0 0 0 3px rgba(47, 140, 255, 0.15);
}

.visually-hidden-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.pdf-picker-card {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.pdf-picker-trigger {
    display: flex;
    align-items: center;
    gap: 0.95rem;
    padding: 1rem 1.05rem;
    border-radius: var(--radius-lg);
    border: 1px dashed rgba(47, 140, 255, 0.28);
    background: linear-gradient(135deg, rgba(47, 140, 255, 0.1), rgba(20, 184, 166, 0.06));
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.pdf-picker-trigger:hover,
.pdf-picker-card.dragover .pdf-picker-trigger {
    transform: translateY(-1px);
    border-color: rgba(47, 140, 255, 0.45);
    box-shadow: var(--shadow-sm);
}

.pdf-picker-card.dragover .pdf-picker-trigger {
    background: linear-gradient(135deg, rgba(47, 140, 255, 0.16), rgba(20, 184, 166, 0.12));
}

.visually-hidden-input:focus + .pdf-picker-trigger {
    border-color: rgba(47, 140, 255, 0.55);
    box-shadow: 0 0 0 3px rgba(47, 140, 255, 0.14);
}

.pdf-picker-trigger ion-icon {
    font-size: 1.55rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.pdf-picker-copy {
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    min-width: 0;
}

.pdf-picker-title {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.97rem;
}

.pdf-picker-subtitle {
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.pdf-picker-badge {
    margin-left: auto;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(47, 140, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.pdf-picker-status {
    color: var(--text-muted);
    font-size: 0.86rem;
    padding-inline: 0.2rem;
}

.settings-block {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin: 1.05rem 0 0.3rem;
}

.settings {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.select-wrapper ion-icon {
    position: absolute;
    right: 1rem;
    color: var(--text-muted);
    pointer-events: none;
}

select {
    appearance: none;
    padding-right: 2.6rem;
}

.size-inputs {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.input-with-label {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-label input {
    padding-right: 2rem;
}

.input-with-label span,
.x-divider {
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 600;
}

.input-with-label span {
    position: absolute;
    right: 0.8rem;
    pointer-events: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.88rem 1.15rem;
    border-radius: var(--radius-sm);
    font-weight: 650;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    border: 1px solid transparent;
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    box-shadow: 0 16px 30px rgba(33, 106, 230, 0.26);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover,
.pdf-action-btn:hover {
    background: rgba(47, 140, 255, 0.08);
}

.btn-block {
    width: 100%;
    padding: 1rem;
    margin-top: 0.2rem;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.2rem 0;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.btn-icon:hover {
    color: var(--text-primary);
    transform: translateY(-1px);
}

.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    margin-top: 1rem;
    padding: 1rem 0 0.25rem;
}

.spinner {
    width: 2.3rem;
    height: 2.3rem;
    border: 3px solid rgba(47, 140, 255, 0.16);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.result-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-header,
.history-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.image-preview {
    background: white;
    border-radius: calc(var(--radius-md) + 2px);
    padding: 1rem;
    min-height: 17rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-preview img {
    max-width: 100%;
    max-height: 28rem;
    object-fit: contain;
    border: 1px solid #dce5f1;
    box-shadow: 0 18px 32px rgba(15, 23, 42, 0.12);
}

.result-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

.action-feedback,
.history-empty,
.pdf-tool-empty {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.action-feedback.is-error {
    color: var(--danger-color);
}

.history-panel {
    height: 100%;
}

.history-list,
.pdf-file-list,
.pdf-output-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.history-item,
.pdf-file-row,
.pdf-output-row {
    width: 100%;
    text-align: left;
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.history-item:hover,
.pdf-file-row:hover,
.pdf-output-row:hover {
    border-color: rgba(47, 140, 255, 0.26);
    transform: translateY(-1px);
}

.history-item {
    cursor: pointer;
}

.history-item-meta,
.pdf-file-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.history-item-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.45rem;
}

.history-item-snippet {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.86rem;
    line-height: 1.45;
    color: var(--text-primary);
}

.pdf-tool-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.65rem;
}

.pdf-tool-frame {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
    gap: 1rem;
    align-items: start;
}

.pdf-tool-frame-split {
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
}

.pdf-tool-controls,
.pdf-preview-panel {
    background: var(--surface-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
}

.pdf-tool-controls {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    min-height: 100%;
}

.pdf-preview-panel {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    min-height: 27rem;
}

.pdf-preview-header {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.pdf-preview-meta,
.pdf-preview-empty {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pdf-preview-stage {
    flex: 1;
    min-height: 20rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.92);
    border-radius: calc(var(--radius-md) + 2px);
    border: 1px solid rgba(159, 177, 200, 0.18);
    padding: 1rem;
    overflow: auto;
}

[data-theme="light"] .pdf-preview-stage {
    background: rgba(255, 255, 255, 0.98);
}

.pdf-preview-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 38px rgba(15, 23, 42, 0.14);
    background: white;
}

.pdf-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(74px, 1fr));
    gap: 0.55rem;
}

.pdf-page-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.1rem;
    padding: 0.7rem 0.5rem;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--surface-strong);
    color: var(--text-secondary);
    font: inherit;
    font-weight: 650;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.pdf-page-chip:hover,
.pdf-file-row.is-active {
    border-color: rgba(47, 140, 255, 0.28);
    background: rgba(47, 140, 255, 0.08);
}

.pdf-page-chip.is-active {
    color: var(--text-primary);
    border-color: rgba(47, 140, 255, 0.34);
    box-shadow: var(--shadow-sm);
}

.pdf-page-chip.is-selected {
    background: rgba(20, 184, 166, 0.14);
    border-color: rgba(20, 184, 166, 0.32);
    color: var(--text-primary);
}

.pdf-file-row,
.pdf-output-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pdf-file-meta {
    display: flex;
    flex-direction: column;
    gap: 0.16rem;
    min-width: 0;
}

.pdf-file-name,
.pdf-output-name {
    font-weight: 650;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pdf-file-actions,
.pdf-tool-actions {
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.pdf-action-btn {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    border-radius: 10px;
    padding: 0.5rem 0.72rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.footer-panel {
    margin: 0 auto 1.2rem;
    width: min(1280px, calc(100% - 2rem));
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    align-items: center;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.9rem;
}

.heart-icon {
    color: var(--danger-color);
    vertical-align: middle;
}

.coffee-badge {
    display: inline-flex;
    align-items: center;
}

.coffee-badge img {
    height: 40px;
    border-radius: 10px;
}

.hidden {
    display: none !important;
}

@media (max-width: 1100px) {
    .container,
    .footer-panel {
        width: min(1040px, calc(100% - 2rem));
    }

    .zpl-workspace,
    .pdf-tool-frame,
    .pdf-tool-frame-split {
        grid-template-columns: minmax(0, 1fr);
    }

    .zpl-side-column {
        order: 3;
    }
}

@media (max-width: 820px) {
    .container {
        width: calc(100% - 1.25rem);
        padding-top: 0.9rem;
    }

    .hero-body {
        align-items: flex-start;
    }

    .settings,
    .result-actions,
    .pdf-split-settings {
        grid-template-columns: 1fr;
    }

    .pdf-file-row,
    .pdf-output-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .pdf-tool-section {
        padding: 1.25rem;
    }

    .pdf-preview-panel {
        min-height: 22rem;
    }
}

@media (max-width: 640px) {
    .container,
    .footer-panel {
        width: calc(100% - 1rem);
    }

    .hero-panel,
    .glass-panel {
        padding: 1.15rem;
    }

    .glass-panel-small {
        padding: 0.7rem;
    }

    .header-actions,
    .hero-body,
    .history-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .tool-suite-tabs {
        grid-template-columns: 1fr;
    }

    .tabs {
        width: 100%;
    }

    .tab {
        font-size: 0.88rem;
        padding-inline: 0.45rem;
    }

    .settings,
    .pdf-file-actions,
    .pdf-tool-actions,
    .result-actions,
    .footer-links {
        width: 100%;
    }

    .pdf-tool-controls,
    .pdf-preview-panel {
        padding: 0.85rem;
    }

    .pdf-page-grid {
        grid-template-columns: repeat(auto-fill, minmax(62px, 1fr));
    }

    .pdf-preview-stage {
        min-height: 16rem;
        padding: 0.75rem;
    }

    .pdf-picker-trigger {
        align-items: flex-start;
    }

    .pdf-picker-badge {
        margin-left: 0;
    }

    .pdf-tool-actions .btn,
    .result-actions .btn,
    .footer-links a,
    .coffee-badge {
        width: 100%;
        justify-content: center;
    }

    .history-item-meta {
        flex-direction: column;
    }
}


.qr-workspace {
    display: grid;
    grid-template-columns: minmax(320px, 440px) minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
}

.qr-panel {
    min-height: 420px;
}

.qr-config-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.qr-input-wrapper textarea {
    min-height: 15rem;
    font-family: inherit;
}

.qr-settings-block {
    margin-top: 0;
}

.qr-settings-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qr-action-row {
    margin-top: auto;
}

.qr-preview-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.qr-preview-stage {
    min-height: 420px;
    border: 1px dashed var(--border-color);
    border-radius: 24px;
    display: grid;
    place-items: center;
    gap: 1rem;
    text-align: center;
    padding: 2rem;
    background: var(--surface-2);
}

.qr-preview {
    display: grid;
    place-items: center;
    width: 100%;
}

.qr-preview svg {
    width: min(100%, 360px);
    height: auto;
    display: block;
    padding: 1rem;
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.qr-preview-empty {
    max-width: 360px;
    color: var(--text-secondary);
}

.qr-preview-caption {
    color: var(--text-muted);
    font-size: 0.9rem;
}


@media (max-width: 980px) {
    .qr-workspace {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .qr-settings-grid {
        grid-template-columns: 1fr;
    }

    .qr-preview-stage {
        min-height: 16rem;
        padding: 1rem;
    }
}


.qr-logo-card {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.qr-logo-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.qr-logo-trigger {
    align-items: flex-start;
}

.qr-preview .qr-logo-mark image {
    overflow: hidden;
}


.pdf-tool-frame-editor {
    grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
}

.pdf-editor-controls {
    min-height: 32rem;
}

.pdf-editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.pdf-editor-tool-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.65rem 0.95rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-strong);
    color: var(--text-secondary);
    font: inherit;
    font-weight: 650;
}

.pdf-editor-preview-panel {
    min-height: 32rem;
}

.pdf-editor-preview-stage {
    min-height: 24rem;
}


.pdf-editor-inline-settings {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pdf-editor-config-card {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: var(--surface-muted);
    border: 1px solid var(--border-color);
}

.pdf-editor-hint,
.pdf-editor-overlay-empty {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pdf-editor-overlay-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.pdf-editor-overlay-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7rem 0.85rem;
    border-radius: 16px;
    background: var(--surface-strong);
    border: 1px solid var(--border-color);
}

.pdf-editor-overlay-name {
    min-width: 0;
    font-size: 0.9rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-editor-tool-chip.is-active {
    border-color: rgba(47, 140, 255, 0.36);
    background: rgba(47, 140, 255, 0.12);
    color: var(--text-primary);
}

.pdf-editor-preview-stage {
    position: relative;
}

.pdf-editor-canvas-shell {
    position: relative;
    display: inline-block;
}

.pdf-editor-overlay-layer {
    position: absolute;
    inset: 0;
    cursor: crosshair;
}

.pdf-editor-overlay-item {
    position: absolute;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.pdf-editor-overlay-item.is-text {
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.72);
}

.pdf-editor-overlay-item.is-image img {
    display: block;
    max-width: 180px;
    max-height: 120px;
    border-radius: 12px;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.18);
}


.pdf-editor-signature-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pdf-editor-signature-canvas {
    width: 100%;
    max-width: 100%;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    background: white;
    touch-action: none;
    cursor: crosshair;
}


.pdf-editor-inline-settings-wide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pdf-editor-doc-config {
    margin-top: 0.25rem;
}

.pdf-editor-overlay-item.is-stamp-text {
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    border: 2px solid currentColor;
    background: rgba(255, 255, 255, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}