:root {
    /* Core Brand Colors */
    --mint-green: #bee9e8;
    --moonstone: #62b6cb;
    --indigo-dye: #1b4965;
    --columbia-blue: #cae9ff;
    --picton-blue: #5fa8d3;
    --dark-slate: #2a5a7a;

    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;

    /* Semantic Colors */
    --success: #28a745;
    --warning: #ffc107;
    --error: #dc3545;
    --info: #17a2b8;

    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-display: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    --font-family-mono: "Monaco", "Menlo", "Ubuntu Mono", monospace;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Borders + Shadows */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);

    --transition-fast: 0.15s ease-out;
    --transition-base: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    color: var(--dark-gray);
    background:
        radial-gradient(1200px 760px at 5% -15%, rgba(98, 182, 203, 0.28), transparent 70%),
        radial-gradient(900px 620px at 95% 15%, rgba(190, 233, 232, 0.38), transparent 72%),
        linear-gradient(160deg, #f4fbff 0%, #e6f5ff 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.resizer-main {
    width: 100%;
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-3xl);
}

h1,
h2,
h3,
button,
label {
    font-family: var(--font-family-display);
    color: var(--indigo-dye);
}

.header {
    background: linear-gradient(135deg, var(--indigo-dye), var(--moonstone));
    color: var(--white);
    padding: var(--spacing-xl) 0;
    box-shadow: var(--shadow-md);
}

.header__title {
    margin: 0;
    font-size: clamp(2rem, 4vw, var(--font-size-5xl));
    line-height: 1.08;
    font-weight: var(--font-weight-bold);
    color: var(--white);
}

.header__subtitle {
    margin: var(--spacing-sm) 0 0;
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.92);
    max-width: 60ch;
}

.muted {
    color: var(--medium-gray);
}

.app-error {
    min-height: 1.25rem;
    margin: 0 0 var(--spacing-md);
    color: var(--error);
    font-weight: var(--font-weight-semibold);
}

.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(27, 73, 101, 0.08);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-subtle {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(27, 73, 101, 0.12);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
}

.card-header {
    background: var(--moonstone);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.card-header h2 {
    margin: 0;
    color: var(--white);
    font-size: var(--font-size-2xl);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stage-step {
    display: inline;
    color: var(--white);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-right: var(--spacing-xs);
}

.stage-target {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    opacity: 0.95;
}

.stage {
    animation: fadeInUp var(--transition-base);
}

.stage[hidden],
.modal[hidden] {
    display: none !important;
}

.stage-intro {
    margin: 0 0 var(--spacing-lg);
    font-size: var(--font-size-base);
}

.stage-header-actions,
.inline-actions,
.size-stage-tools {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.workflow-corner-btn {
    font-size: var(--font-size-sm);
    padding: 0.45rem 0.7rem;
}

.workflow-panel {
    padding-top: calc(var(--spacing-xl) + 0.1rem);
}

.workflow-panel-header {
    margin-bottom: var(--spacing-md);
}

.workflow-progress {
    margin: 0;
    color: rgba(255, 255, 255, 0.96);
    font-weight: var(--font-weight-semibold);
}

.workflow-list {
    margin: var(--spacing-sm) 0 0;
    padding-left: 1.2rem;
    display: grid;
    gap: var(--spacing-xs);
}

.workflow-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--dark-slate);
}

.workflow-item-label {
    overflow-wrap: anywhere;
}

.workflow-item-size {
    font-weight: var(--font-weight-semibold);
}

.workflow-item-controls {
    display: inline-flex;
    gap: var(--spacing-xs);
}

.workflow-move-btn {
    min-width: 2rem;
    padding: 0.3rem 0.5rem;
}

.workflow-item.is-current {
    font-weight: var(--font-weight-bold);
    color: var(--indigo-dye);
}

.workflow-item.is-complete {
    color: var(--medium-gray);
    text-decoration: line-through;
}

.workflow-current {
    margin: var(--spacing-sm) 0 var(--spacing-md);
    padding: 0.6rem 0.8rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(27, 73, 101, 0.16);
    background: var(--columbia-blue);
    color: var(--indigo-dye);
    font-weight: var(--font-weight-semibold);
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

.preset-card {
    text-align: left;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 2px solid rgba(98, 182, 203, 0.34);
    background: var(--white);
    color: var(--indigo-dye);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.preset-card strong,
.preset-card span {
    display: block;
}

.preset-card span {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--dark-slate);
}

.preset-card:hover,
.preset-card:focus-visible {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--moonstone);
}

.preset-card.is-selected {
    border-color: var(--picton-blue);
    background: rgba(202, 233, 255, 0.55);
    box-shadow: 0 0 0 3px rgba(95, 168, 211, 0.12);
}

.size-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.input-row {
    display: flex;
    flex-direction: column;
    position: relative;
    gap: var(--spacing-xs);
}

label {
    font-weight: var(--font-weight-medium);
    color: var(--indigo-dye);
    font-size: 0.95rem;
}

input[type="number"],
input[type="text"],
input[type="range"] {
    width: 100%;
}

input[type="number"],
input[type="text"] {
    padding: var(--spacing-md);
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    background: var(--white);
    color: var(--dark-gray);
    height: 52px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="range"] {
    accent-color: var(--picton-blue);
}

input[type="number"]:focus,
input[type="text"]:focus,
input[type="range"]:focus,
.btn:focus-visible,
.paste-target:focus-visible {
    outline: none;
    border-color: var(--moonstone);
    box-shadow: 0 0 0 3px rgba(98, 182, 203, 0.16);
}

.ratio-readout {
    margin: var(--spacing-sm) 0 0;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-slate);
}

.actions-row {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.72rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    border: 1px solid var(--indigo-dye);
    background: var(--indigo-dye);
    color: var(--white);
}

.btn-secondary {
    border: 2px solid var(--moonstone);
    background: var(--white);
    color: var(--indigo-dye);
}

.source-grid,
.workspace-grid {
    display: grid;
    gap: var(--spacing-md);
}

.source-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.workspace-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(250px, 0.92fr);
    margin-top: var(--spacing-md);
}

.paste-target {
    margin-top: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-lg);
    text-align: center;
    border: 2px dashed rgba(98, 182, 203, 0.45);
    border-radius: var(--border-radius-md);
    background: rgba(202, 233, 255, 0.35);
    color: var(--indigo-dye);
    font-weight: var(--font-weight-semibold);
}

#source-preview {
    width: 100%;
    max-height: 260px;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    background: #f1f5f8;
}

.meta-list {
    margin: var(--spacing-md) 0 0;
}

.meta-list div {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: var(--spacing-sm);
    margin: 0 0 var(--spacing-sm);
}

.meta-list dt {
    font-weight: var(--font-weight-semibold);
    color: var(--dark-slate);
}

.meta-list dd {
    margin: 0;
    word-break: break-word;
}

.compact div {
    grid-template-columns: 128px 1fr;
}

.crop-container {
    width: 100%;
    aspect-ratio: var(--workspace-aspect, 4 / 3);
    min-height: 360px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: repeating-linear-gradient(
        45deg,
        rgba(202, 233, 255, 0.42),
        rgba(202, 233, 255, 0.42) 12px,
        rgba(255, 255, 255, 0.75) 12px,
        rgba(255, 255, 255, 0.75) 24px
    );
}

#crop-image {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

.modal-panel {
    position: relative;
    width: min(860px, 95vw);
    max-height: 90vh;
    overflow: auto;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
}

.modal-header {
    background: linear-gradient(135deg, var(--moonstone), var(--picton-blue));
    color: var(--white);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.modal-header h2 {
    margin: 0;
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.workload-modal-panel {
    width: min(1080px, 96vw);
}

.workload-toolbar {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.workload-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.workload-helper,
.workload-status {
    margin: 0 0 var(--spacing-sm);
}

.workload-editor-list {
    margin: var(--spacing-md) 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.workload-empty {
    padding: var(--spacing-lg);
    text-align: center;
}

.workload-editor-item {
    display: grid;
    grid-template-columns: auto 118px minmax(0, 1fr);
    gap: var(--spacing-md);
    align-items: center;
    border: 1px solid rgba(98, 182, 203, 0.22);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.workload-editor-item:hover {
    border-color: rgba(98, 182, 203, 0.45);
}

.workload-item-drag {
    color: var(--moonstone);
    font-size: 1.3rem;
    user-select: none;
    cursor: grab;
    align-self: stretch;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-xs);
}

.workload-editor-item:active .workload-item-drag {
    cursor: grabbing;
}

.workload-item-preview {
    width: 118px;
    aspect-ratio: 1 / 1;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(202, 233, 255, 0.9), rgba(202, 233, 255, 0.52));
    border: 1px solid rgba(98, 182, 203, 0.24);
    display: flex;
    align-items: center;
    justify-content: center;
}

.workload-item-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.workload-item-preview-empty {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
    text-align: center;
    padding: var(--spacing-sm);
}

.workload-item-fields {
    min-width: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.workload-item-toprow {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.workload-item-name {
    flex: 1 1 220px;
    min-width: 180px;
}

.workload-item-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.workload-item-buttons .btn {
    padding: 0.52rem 0.8rem;
    font-size: var(--font-size-sm);
}

.workload-size-inputs {
    display: grid;
    grid-template-columns: repeat(2, minmax(150px, 220px));
    gap: var(--spacing-sm);
}

.workload-size-inputs label {
    display: grid;
    gap: var(--spacing-xs);
}

.workload-size-inputs input {
    height: 44px;
    padding: 0.6rem 0.75rem;
}

.workload-item-meta {
    margin: 0;
    font-size: var(--font-size-sm);
}

.workload-footer {
    margin-top: var(--spacing-md);
}

.workload-editor-item.is-dragging {
    opacity: 0.72;
    transform: scale(0.99);
}

.workload-editor-item.is-drop-before {
    box-shadow: inset 0 3px 0 0 var(--picton-blue);
}

.workload-editor-item.is-drop-after {
    box-shadow: inset 0 -3px 0 0 var(--picton-blue);
}

.output-preview-wrap {
    margin: var(--spacing-md) 0;
    border: 1px solid rgba(27, 73, 101, 0.14);
    border-radius: var(--border-radius-sm);
    background: #f9fbfc;
    min-height: 160px;
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

#output-preview {
    max-width: 100%;
    max-height: 280px;
    border-radius: var(--border-radius-sm);
}

.button-grid {
    margin-top: var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(176px, 1fr));
    gap: var(--spacing-sm);
}

.risk-pill {
    display: inline-block;
    font-weight: var(--font-weight-bold);
}

.risk-none {
    color: var(--success);
}

.risk-minor {
    color: #a37400;
}

.risk-moderate {
    color: #b35c00;
}

.risk-high {
    color: var(--error);
}

.footer {
    background: var(--indigo-dye);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    text-align: center;
}

.footer__text {
    margin: var(--spacing-sm) 0;
    font-size: 0.9rem;
    opacity: 0.88;
    line-height: 1.5;
}

.footer__text a {
    color: var(--mint-green);
    text-decoration: underline;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 920px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }

    .card-header h2 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .resizer-main {
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-2xl);
    }

    .card,
    .modal-panel {
        padding: var(--spacing-md);
    }

    .card-header,
    .modal-header {
        margin: calc(-1 * var(--spacing-md)) calc(-1 * var(--spacing-md)) var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .actions-row {
        justify-content: stretch;
    }

    .actions-row .btn,
    .inline-actions .btn,
    .stage-header-actions .btn {
        width: 100%;
    }

    .workload-editor-item {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .workload-item-drag {
        justify-content: center;
        padding: 0;
    }

    .workload-item-preview {
        width: 100%;
        aspect-ratio: 16 / 9;
    }

    .workload-item-toprow {
        flex-direction: column;
        align-items: stretch;
    }

    .workload-item-buttons {
        width: 100%;
    }

    .workload-item-buttons .btn {
        flex: 1 1 140px;
    }

    .workload-size-inputs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .header__subtitle {
        font-size: var(--font-size-base);
    }

    .preset-grid,
    .size-inputs,
    .button-grid {
        grid-template-columns: 1fr;
    }

    .workflow-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .workflow-item-controls {
        justify-content: flex-start;
    }
}