.auth-screen { min-height: 100vh; display: grid; place-items: center; padding: 30px 20px; }
.auth-card { width: min(100%, 420px); padding: 36px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); box-shadow: var(--shadow); }
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 30px; color: var(--teal); font-size: 17px; font-weight: 700; }
.auth-brand svg { width: 30px; height: 30px; }
.auth-card h1 { font-size: 27px; }
.auth-card > p { margin-top: 10px; color: var(--muted); font-size: 13px; }
.account-form { display: grid; gap: 15px; margin-top: 22px; }
.account-form label, .library-search label { display: grid; gap: 6px; color: var(--text-secondary); font-size: 12px; }
.account-form input, .library-search input, .library-search select, .file-actions select, .user-quota input { width: 100%; min-width: 0; min-height: 38px; border: 1px solid var(--line-strong); border-radius: 6px; padding: 8px 10px; background: var(--paper); color: var(--ink); font: inherit; }
.account-form .button { justify-content: center; }
.account-view .button:not(.primary), .auth-card .button:not(.primary), .account-dialog .button:not(.primary), .account-session .button { background: var(--paper); color: var(--ink); border: 1px solid var(--line-strong); }
.account-view .button.danger-action { background: var(--error-bg); color: var(--error-ink); border-color: var(--error-line); }
.account-note { color: var(--muted); font-size: 12px; line-height: 1.6; }
.account-loading { display: flex; gap: 10px; align-items: center; padding: 25px 0; color: var(--muted); }
.account-nav .nav-item { width: 100%; text-align: left; border: 0; background: transparent; color: #cbd5e1; margin-bottom: 5px; }
.account-nav .nav-item:hover { color: #f9fafb; background: #273449; }
.account-nav .nav-item.active { color: #f9fafb; background: #374151; }
.account-bar { display: flex; align-items: center; justify-content: flex-end; gap: 14px; margin: -14px 0 24px; }
.account-session { display: flex; align-items: center; gap: 12px; min-width: 0; font-size: 12px; color: var(--muted); }
#session-user { max-width: 250px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mobile-account-nav { display: none; }
.storage-card, .folder-panel, .file-panel, .account-card, .history-item, .user-card { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.storage-card { margin-bottom: 22px; }
.storage-card > div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 15px; color: var(--ink); font-size: 13px; }
.storage-card progress { display: block; width: 100%; height: 8px; border: 0; border-radius: 5px; overflow: hidden; margin: 13px 0 10px; accent-color: var(--teal); background: var(--surface-soft); }
.storage-card progress::-webkit-progress-bar { background: var(--surface-soft); }
.storage-card progress::-webkit-progress-value { background: var(--teal); }
.library-layout { display: grid; grid-template-columns: 235px minmax(0, 1fr); gap: 20px; align-items: start; }
.folder-panel h2, .file-panel h2, .account-card h2 { font-size: 16px; }
.folder-panel .account-form { border-top: 1px solid var(--line); padding-top: 18px; }
.folder-list { display: grid; gap: 4px; margin-top: 15px; }
.folder-list button { display: flex; align-items: center; gap: 8px; width: 100%; border: 0; border-radius: 6px; padding: 9px 10px; background: transparent; color: var(--text-secondary); text-align: left; font-size: 12px; overflow-wrap: anywhere; }
.folder-list button:hover { background: var(--surface-hover); }
.folder-list button[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent-surface); font-weight: 600; }
.file-panel { min-width: 0; }
.folder-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.folder-heading h2 { overflow-wrap: anywhere; }
.folder-heading #upload-price-files { margin-left: auto; min-height: 38px; }
#price-files-note { margin-top: 12px; }
.price-files-results { margin-top: 16px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-soft); }
#price-files-summary { color: var(--ink); font-size: 12px; line-height: 1.6; font-weight: 600; }
#price-files-list { margin: 10px 0 0; padding: 0; list-style: none; max-height: 280px; overflow-y: auto; }
#price-files-list li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 6px 16px; padding: 9px 0; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
#price-files-list strong { color: var(--ink); font-weight: 500; }
#price-files-list span { color: var(--text-secondary); }
#price-files-list [data-status="error"] span { color: var(--error-ink); }
#retry-price-files { margin-top: 12px; }
.folder-parent-field { display: grid; gap: 6px; margin-top: 14px; max-width: 280px; color: var(--muted); font-size: 12px; }
.folder-parent-field select { width: 100%; min-height: 36px; padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--paper); color: var(--ink); }
.library-search { display: grid; grid-template-columns: minmax(0, 1fr) minmax(140px, .6fr); gap: 14px; margin-top: 16px; }
.library-files { margin-top: 18px; }
.library-file { padding: 18px 0; border-top: 1px solid var(--line); }
.library-file h3 { color: var(--ink); font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.file-facts { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 6px 0 12px; color: var(--muted); font-size: 11px; }
.file-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.file-actions .button, .file-actions select { font-size: 11px; min-height: 33px; }
.file-actions select { max-width: 185px; }
.file-actions .danger-action { color: var(--error-ink); }
.library-file > .account-note { margin-bottom: 10px; }
.account-empty { padding: 35px 15px; text-align: center; color: var(--muted); font-size: 13px; }
.history-list, .users-list { display: grid; gap: 12px; }
.history-item h2 { font-size: 13px; overflow-wrap: anywhere; }
.history-item p { margin-top: 6px; color: var(--text-secondary); font-size: 12px; }
.history-item time { display: block; margin-top: 8px; color: var(--muted); font-size: 11px; }
.users-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 22px; align-items: start; }
.user-card h2 { font-size: 15px; overflow-wrap: anywhere; }
.user-quota { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-top: 15px; }
.user-quota label { display: grid; gap: 5px; font-size: 12px; color: var(--muted); }
.user-quota input { width: 130px; }
.user-access { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.user-access summary { cursor: pointer; color: var(--text-secondary); font-size: 12px; }
.user-access > .button { margin-top: 14px; }
#user-create-result { color: var(--accent-ink); margin-top: 14px; font-size: 12px; }
.account-dialog { width: min(460px, calc(100vw - 32px)); padding: 25px; }
.account-dialog .account-form { margin: 0; }
.account-dialog h2 { font-size: 20px; }
.dialog-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.account-view .inline-error, .auth-card .inline-error { margin-top: 14px; }
.price-settings-dialog { width: min(650px, calc(100vw - 32px)); max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); overflow-y: auto; overscroll-behavior: contain; }
.price-settings-dialog .account-form { min-width: 0; }
.price-settings-dialog .data-warnings, .price-settings-dialog .inline-error { margin: 0; overflow-wrap: anywhere; }
.price-validity-fields { min-width: 0; margin: 0; padding: 0; border: 0; }
.price-validity-fields legend { margin-bottom: 10px; padding: 0; color: var(--ink); font-size: 13px; font-weight: 600; }
.price-validity-dates { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.price-validity-name { color: var(--ink); font-size: 13px; font-weight: 600; line-height: 1.5; overflow-wrap: anywhere; }
.price-validity-ranges { display: grid; gap: 10px; max-height: 360px; overflow-y: auto; overscroll-behavior: contain; }
.price-validity-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; align-items: end; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-soft); }
.price-validity-row > label { min-width: 0; }
.price-settings-dialog .price-open-ended { display: flex; align-items: center; gap: 8px; grid-column: 1 / -1; color: var(--ink); font-size: 12px; line-height: 1.5; cursor: pointer; }
.price-settings-dialog .price-open-ended input { width: 16px; height: 16px; min-height: 0; padding: 0; margin: 0; flex: 0 0 16px; accent-color: var(--teal); }
.price-validity-row > button { grid-column: 3; grid-row: 1; }
.price-settings-dialog input[type="date"]:disabled { color: var(--muted); background: var(--surface-soft); cursor: default; }
.price-effective-note { display: block; margin-top: 2px; color: var(--text-secondary); font-size: 11px; }
.price-settings-dialog #add-price-validity { justify-self: start; }
.price-settings-dialog input[type="date"] { font-size: 13px; }
.price-settings-dialog input[aria-invalid="true"] { border-color: var(--error-line); }
#price-upload-picker { min-width: 0; margin-top: -8px; }
#price-files-input { max-width: 100%; font-size: 12px; }
#price-files-input::file-selector-button { margin-right: 10px; padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--surface-soft); color: var(--ink); font: inherit; cursor: pointer; }
.file-price-validity { margin: 12px 0 15px; }
.price-readiness { color: var(--text-secondary); font-size: 12px; line-height: 1.5; }
.price-validity-list { display: grid; gap: 5px; margin: 8px 0 0; padding: 0; list-style: none; color: var(--ink); font-size: 12px; line-height: 1.5; }
.file-price-validity > .account-note { margin-top: 6px; }
.file-price-validity .price-validity-warning { margin: 10px 0 0; overflow-wrap: anywhere; }
@media (max-width: 1100px) {
  .library-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 14px; }
  .folder-panel, .file-panel { padding: 17px; }
  .users-layout { grid-template-columns: 260px minmax(0, 1fr); gap: 16px; }
}
@media (max-width: 800px) {
  .sidebar .account-nav { display: none; }
  .account-bar { justify-content: space-between; flex-wrap: wrap; margin-top: 0; }
  .mobile-account-nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .mobile-account-nav button { border: 1px solid var(--line); padding: 8px 10px; background: var(--paper); color: var(--text-secondary); border-radius: 6px; font-size: 11px; }
  .mobile-account-nav button.active { background: var(--accent-surface); color: var(--accent-ink); border-color: var(--teal); }
  .account-session { margin-left: auto; }
}
@media (max-width: 640px) {
  .price-settings-dialog { padding: 18px; }
  .price-validity-dates { gap: 10px; }
  .price-validity-row { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 10px; gap: 9px; }
  .price-validity-row > button { grid-column: 1 / -1; grid-row: auto; width: 100%; }
  .price-settings-dialog .dialog-actions .button { flex: 1 1 110px; }
  .price-settings-dialog #add-price-validity { justify-self: stretch; }
  #price-files-list li { grid-template-columns: minmax(0, 1fr); gap: 3px; }
  .folder-heading #upload-price-files { padding: 9px 12px; }
  .auth-card { padding: 26px; }
  .auth-card h1 { font-size: 24px; }
  .library-layout, .users-layout { grid-template-columns: minmax(0, 1fr); }
  .folder-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .library-search { grid-template-columns: minmax(0, 1fr); }
  .storage-card, .account-card, .history-item, .user-card { padding: 17px; }
  .account-view .page-heading { align-items: flex-start; gap: 12px; }
  #session-user { max-width: 210px; }
}