:root {
    --app-viewport-height: 100vh;
    --ink: #4a4f57;
    --muted: #7a8088;
    --dialog-surface: rgba(248, 251, 255, 0.88);
    --surface: #ffffff;
    --line: rgba(125, 134, 145, 0.24);
    --primary: #2563eb;
    --primary-strong: #1d4ed8;
    --accent: #eff4ff;
    --accent-soft: #dbeafe;
    --danger: #9f2f2f;
    --shadow: 0 16px 38px rgba(15, 23, 42, 0.06);
    --radius: 8px;
}

html {
    background: transparent;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    font-size: 80%;
    font-family: "Manrope", sans-serif;
    background: transparent;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    width: calc(100% - 44px);
    margin: 0 auto;
    padding: 22px 0;
}

.workspace-panel {
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    box-shadow: none;
    min-height: calc(var(--app-viewport-height) - 44px);
    padding: 20px;
}

.topbar,
.toolbar,
.section-heading,
.modal-header,
.modal-actions,
.action-group,
.topbar-actions {
    display: flex;
    align-items: center;
}

.topbar,
.section-heading,
.modal-header,
.modal-actions {
    justify-content: space-between;
    gap: 16px;
}

.eyebrow {
    margin: 0 0 3px;
    color: var(--muted);
    font-size: 0.544rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    font-family: "Space Grotesk", sans-serif;
    letter-spacing: 0;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(1.16rem, 2.16vw, 1.88rem);
    line-height: 1;
}

h2 {
    margin-bottom: 0;
    font-size: 1.024rem;
}

.modal-title-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.bookmark-dialog-title-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.dialog-url-icon {
    display: grid;
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    place-items: center;
    overflow: hidden;
    background: var(--accent);
    font-size: 1rem;
    line-height: 1;
}

.dialog-url-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.dialog-url-icon [hidden] {
    display: none;
}

.directory-title-icon {
    display: inline-flex;
    align-items: flex-end;
    justify-content: center;
    line-height: 1;
    transform: translateY(-2px);
}

.primary-action,
.secondary-action,
.ghost-action,
.danger-action,
.directory-pill,
.icon-button {
    min-height: 42px;
    border: 0;
    border-radius: var(--radius);
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.primary-action,
.secondary-action,
.ghost-action,
.danger-action,
.delete-directory-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 16px;
    font-weight: 600;
}

.primary-action {
    color: #fff;
    background: linear-gradient(180deg, var(--primary), var(--primary-strong));
    box-shadow: 0 12px 22px rgba(37, 99, 235, 0.18);
}

.primary-action:hover,
.secondary-action:hover,
.ghost-action:hover,
.danger-action:hover,
.directory-pill:hover {
    transform: translateY(-1px);
}

.secondary-action,
.ghost-action {
    color: var(--ink);
    background: var(--accent);
}

#directoriesButton {
    border: 1px solid var(--line);
    background: var(--surface);
}

.file-action {
    border: 1px solid var(--line);
    background: var(--surface);
}

.transfer-menu {
    position: relative;
    display: flex;
}

.transfer-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-width: 148px;
    gap: 4px;
    border: 0;
    padding: 0;
    background: transparent;
    box-shadow: none;
}

.transfer-dropdown[hidden] {
    display: none;
}

.transfer-action {
    appearance: none;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0 12px;
    color: var(--ink);
    background: var(--surface);
    font-weight: 600;
    text-align: left;
}

.transfer-action:hover {
    background: var(--accent);
}

.danger-action {
    color: #fff;
    background: var(--danger);
}

.topbar-actions {
    gap: 10px;
}

.toolbar {
    align-items: flex-end;
    gap: 12px;
    margin: 20px 0 12px;
}

.toolbar .secondary-action {
    min-height: 46px;
}

.search-box,
.field {
    display: grid;
    gap: 8px;
}

.search-box {
    flex: 1;
}

.search-box span,
.field span {
    color: var(--muted);
    font-size: 0.656rem;
    font-weight: 600;
}

.search-box span,
.section-heading .eyebrow {
    font-size: 0.82rem;
}

input,
select {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0 13px;
    color: var(--ink);
    background: transparent;
    outline: none;
}

input:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.search-box input {
    background: var(--surface);
}

.directory-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0 16px;
}

.directory-filters {
    display: contents;
}

.directory-pill {
    min-height: 36px;
    padding: 0 14px;
    color: var(--primary-strong);
    background: var(--surface);
    border: 1px solid var(--line);
    font-weight: 600;
}

.directory-pill.is-active {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 10px 18px rgba(37, 99, 235, 0.16);
}

.bookmark-section {
    padding-top: 4px;
}

.bookmark-list {
    display: grid;
    gap: 9px;
    margin-top: 12px;
}

.bookmark-item {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) auto auto auto;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 12px;
    background: var(--surface);
    animation: riseIn 260ms ease both;
}

.bookmark-icon {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    background: var(--accent);
    object-fit: contain;
}

.bookmark-fallback {
    display: none;
    width: 32px;
    height: 32px;
    border-radius: 7px;
    place-items: center;
    color: var(--ink);
    background: var(--surface);
    font-size: 1.24rem;
    font-weight: 900;
}

.bookmark-main {
    min-width: 0;
}

.bookmark-main h3 {
    margin: 0;
    overflow-wrap: anywhere;
    font-size: 0.8rem;
    font-weight: 600;
}

.bookmark-main h3 a {
    color: var(--ink);
    text-decoration: none;
}

.bookmark-main h3 a:hover {
    color: var(--primary-strong);
    text-decoration: underline;
}

.bookmark-meta {
    display: inline-flex;
    border-radius: 999px;
    padding: 6px 10px;
    color: var(--muted);
    background: var(--accent-soft);
    font-size: 0.72rem;
    font-weight: 600;
}

.edit-button {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 8px 12px;
    color: var(--ink);
    background: var(--surface);
    font-weight: 600;
}

.delete-bookmark-button {
    padding: 0;
}

.empty-state {
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 28px;
    color: var(--muted);
    background: transparent;
    text-align: center;
}

.modal {
    width: min(520px, calc(100% - 28px));
    border: 0;
    border-radius: var(--radius);
    padding: 0;
    color: var(--ink);
    background: transparent;
}

.confirm-modal {
    width: min(380px, calc(100% - 28px));
}

.modal::backdrop {
    background: rgba(23, 32, 28, 0.20);
    backdrop-filter: blur(6px);
}

.modal-content {
    display: grid;
    gap: 16px;
    padding: 22px;
    border-radius: var(--radius);
    background: var(--dialog-surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.modal-content input,
.modal-content select {
    background: var(--surface);
}

.compact-modal {
    gap: 18px;
}

.confirmation-text {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
}

.directory-create-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 10px;
}

.directory-manager-list {
    display: grid;
    gap: 10px;
}

.directory-manager-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 10px;
    align-items: center;
}

.directory-manager-row input {
    min-height: 42px;
    border-color: var(--line);
    background: var(--surface);
    font-weight: 600;
}

.directory-manager-row input:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.delete-directory-button {
    width: 42px;
    min-height: 42px;
    border: 1px solid rgba(159, 47, 47, 0.22);
    border-radius: var(--radius);
    color: var(--danger);
    background: var(--surface);
    font-size: 1.36rem;
    font-weight: 900;
    line-height: 1;
}

.delete-directory-button:disabled {
    cursor: not-allowed;
    opacity: 0.38;
}

.icon-button {
    width: 42px;
    color: var(--muted);
    background: var(--accent);
    font-size: 1.12rem;
}

.action-group {
    gap: 10px;
}

.align-end {
    justify-content: flex-end;
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 640px) {
    html:not(.extension-overlay) .app-shell {
        width: min(100% - 20px, 1180px);
        padding: 10px 0;
    }

    html:not(.extension-overlay) .workspace-panel {
        min-height: calc(100vh - 20px);
        padding: 16px;
    }

    html:not(.extension-overlay) .topbar,
    html:not(.extension-overlay) .toolbar,
    html:not(.extension-overlay) .modal-actions {
        align-items: stretch;
        flex-direction: column;
    }

    html:not(.extension-overlay) .topbar-actions,
    html:not(.extension-overlay) .directory-create-row {
        grid-template-columns: 1fr;
        width: 100%;
    }

    html:not(.extension-overlay) .topbar-actions {
        align-items: stretch;
        flex-direction: column;
    }

    html:not(.extension-overlay) .transfer-menu,
    html:not(.extension-overlay) #transferMenuButton {
        width: 100%;
    }

    html:not(.extension-overlay) .transfer-dropdown {
        right: 0;
        left: 0;
    }

    html:not(.extension-overlay) .bookmark-item {
        grid-template-columns: 34px minmax(0, 1fr) auto auto;
    }

    html:not(.extension-overlay) .bookmark-meta {
        grid-column: 2 / 3;
    }

    html:not(.extension-overlay) .edit-button {
        grid-column: 3 / 4;
        grid-row: 1 / 2;
    }

    html:not(.extension-overlay) .delete-bookmark-button {
        grid-column: 4 / 5;
        grid-row: 1 / 2;
    }

    html:not(.extension-overlay) .action-group {
        width: 100%;
    }

    html:not(.extension-overlay) .action-group > button,
    html:not(.extension-overlay) .modal-actions > button {
        flex: 1;
    }
}