:root {
    --ink: #0e2a2f;
    --wash: #d4e0da;
    --paper: #eef4f0;
    --line: #9cb0a8;
    --mute: #5a6e6a;
    --mark: #c45c26;
    --up: #1f6b52;
    --down: #9b3a2f;
    --latest: #143d44;
    --tape: #c5d6ce;
    --focus: #c45c26;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(ellipse 120% 80% at 0% -10%, rgba(196, 92, 38, 0.08), transparent 50%),
        linear-gradient(165deg, #c9d8d1 0%, var(--paper) 42%, #e3ebe6 100%);
    background-attachment: fixed;
    font-family: "Sarabun", "Helvetica Neue", sans-serif;
    -webkit-tap-highlight-color: transparent;
}

[ng-cloak] {
    display: none !important;
}

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

.board {
    min-height: 100vh;
    padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 3rem;
    box-sizing: border-box;
}

.board-head {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: 1rem 2rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--ink);
}

.board-mark {
    margin: 0;
    font-family: "Syne", sans-serif;
    font-weight: 800;
    font-size: clamp(2.75rem, 7vw, 4.5rem);
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: var(--ink);
}

.board-line {
    margin: 0.45rem 0 0;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--mute);
}

.board-meta {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ink);
    white-space: nowrap;
}

.board-meta-sep {
    color: var(--line);
    margin: 0 0.2rem;
}

.board-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem 1.25rem;
    align-items: center;
    margin-bottom: 1rem;
}

.board-search {
    flex: 1 1 16rem;
    min-width: 12rem;
}

.board-search input {
    width: 100%;
    box-sizing: border-box;
    border: 2px solid var(--ink);
    background: rgba(255, 255, 255, 0.55);
    color: var(--ink);
    font: inherit;
    font-size: 1rem;
    padding: 0.55rem 0.85rem;
    outline: none;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.board-search input:focus {
    background: #fff;
    box-shadow: 0 0 0 3px rgba(196, 92, 38, 0.35);
}

.board-search input::placeholder {
    color: var(--mute);
}

.board-groups {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.board-chip {
    border: 1.5px solid var(--line);
    background: transparent;
    color: var(--mute);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.65rem;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.board-chip:hover,
.board-chip:focus-visible {
    color: var(--ink);
    border-color: var(--ink);
    outline: none;
}

.board-chip.is-on {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}

.board-loading {
    margin-top: 3rem;
    font-family: "IBM Plex Mono", monospace;
    color: var(--mute);
}

.board-scroll {
    overflow: auto;
    max-height: calc(100vh - 11rem);
    border: 2px solid var(--ink);
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(2px);
    animation: board-in 0.45s ease both;
}

@keyframes board-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .board-scroll {
        animation: none;
    }

    .board-chip,
    .board-search input,
    .price-table tbody tr {
        transition: none;
    }
}

.price-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.92rem;
}

.price-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--ink);
    color: var(--paper);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-align: left;
    padding: 0.7rem 0.75rem;
    white-space: nowrap;
    border-bottom: 2px solid var(--mark);
}

.price-table thead th.col-q {
    text-align: right;
    min-width: 6.5rem;
}

.price-table thead th.col-q .q-label {
    display: block;
}

.price-table thead th.col-q .q-rate {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.1rem;
    margin-top: 0.25rem;
    font-size: 0.62rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: none;
    opacity: 0.78;
    line-height: 1.2;
}

.price-table thead th.col-q.is-latest {
    background: var(--latest);
    color: #fff;
}

.price-table tbody td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid rgba(156, 176, 168, 0.55);
    vertical-align: middle;
}

.price-table tbody tr {
    transition: background 0.15s ease;
}

.price-table tbody tr:hover {
    background: rgba(20, 61, 68, 0.06);
}

.col-code {
    width: 5.5rem;
    white-space: nowrap;
}

.col-code code {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--mark);
}

.col-name {
    min-width: 12rem;
    font-weight: 500;
}

.col-company {
    min-width: 16rem;
    color: var(--mute);
    font-size: 0.84rem;
    line-height: 1.35;
}

.col-meta {
    width: 4.5rem;
    color: var(--mute);
    font-size: 0.85rem;
    white-space: nowrap;
}

.col-q {
    text-align: right;
    background: linear-gradient(90deg, transparent, rgba(197, 214, 206, 0.35));
}

.col-q.is-latest {
    background: linear-gradient(90deg, rgba(197, 214, 206, 0.2), rgba(20, 61, 68, 0.1));
}

.q-cell {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.1rem;
    min-height: 2.1rem;
    justify-content: center;
    padding-left: 0.5rem;
    border-left: 2px solid var(--tape);
}

.col-q:nth-child(6) .q-cell {
    border-left-color: var(--ink);
}

.q-value {
    font-family: "IBM Plex Mono", monospace;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.col-q.is-latest .q-value {
    font-weight: 600;
    font-size: 1.02rem;
}

.q-delta {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    opacity: 0.9;
}

.col-q.is-up .q-delta {
    color: var(--up);
}

.col-q.is-down .q-delta {
    color: var(--down);
}

.col-q.is-flat .q-delta {
    color: var(--mute);
}

.board-empty {
    margin: 0;
    padding: 2rem 1rem;
    text-align: center;
    color: var(--mute);
}

@media (max-width: 820px) {
    .board {
        padding: 1rem 0.75rem 2rem;
    }

    .board-scroll {
        max-height: none;
    }

    .col-meta {
        display: none;
    }

    .col-company {
        min-width: 10rem;
        font-size: 0.78rem;
    }

    .price-table thead th.col-meta {
        display: none;
    }

    .col-name {
        min-width: 8rem;
        font-size: 0.88rem;
    }

    .col-q {
        min-width: 4.8rem;
    }

    .q-value {
        font-size: 0.8rem;
    }

    .col-q.is-latest .q-value {
        font-size: 0.88rem;
    }
}

.board-manage {
    border: 2px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
    margin-left: auto;
}

.board-manage:hover,
.board-manage:focus-visible {
    background: var(--mark);
    border-color: var(--mark);
    outline: none;
    box-shadow: 0 0 0 3px rgba(196, 92, 38, 0.3);
}

.period-modal {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
}

.period-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(14, 42, 47, 0.55);
}

.period-modal-panel {
    position: relative;
    z-index: 1;
    width: min(40rem, 100%);
    max-height: min(90vh, 44rem);
    display: flex;
    flex-direction: column;
    background: var(--paper);
    border: 2px solid var(--ink);
    box-shadow: 0 18px 48px rgba(14, 42, 47, 0.28);
    animation: period-modal-in 0.28s ease both;
}

@keyframes period-modal-in {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .period-modal-panel {
        animation: none;
    }

    .board-manage {
        transition: none;
    }
}

.period-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1.1rem;
    border-bottom: 2px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
}

.period-modal-head h2 {
    margin: 0;
    font-family: "Syne", sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.period-modal-close {
    border: 0;
    background: transparent;
    color: var(--paper);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.1rem 0.35rem;
}

.period-modal-body {
    overflow: auto;
    padding: 1rem 1.1rem 0.5rem;
    flex: 1;
}

.period-new,
.period-list-wrap {
    margin-bottom: 1.25rem;
}

.period-new h3,
.period-list-wrap h3 {
    margin: 0 0 0.65rem;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mute);
}

.period-new-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.55rem;
}

.period-new-row label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.7rem;
    color: var(--mute);
}

.period-new-row input,
.period-new-row select,
.period-row input {
    box-sizing: border-box;
    width: 100%;
    border: 1.5px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.88rem;
    padding: 0.45rem 0.5rem;
    outline: none;
}

.period-new-row input:focus,
.period-new-row select:focus,
.period-row input:focus {
    border-color: var(--ink);
    box-shadow: 0 0 0 2px rgba(196, 92, 38, 0.25);
}

.period-hint {
    margin: 0.55rem 0 0;
    font-size: 0.85rem;
    color: var(--mute);
}

.period-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.period-row {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr) minmax(0, 1fr) auto;
    gap: 0.45rem;
    align-items: center;
}

.period-row-actions {
    display: flex;
    gap: 0.35rem;
    justify-content: flex-end;
}

.period-row-head {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--mute);
    padding: 0 0.1rem 0.2rem;
    border-bottom: 1px solid var(--tape);
}

.period-label {
    font-family: "IBM Plex Mono", monospace;
    font-weight: 600;
    font-size: 0.9rem;
}

.period-row-save,
.period-row-delete,
.period-btn-primary,
.period-btn-ghost,
.period-btn-danger {
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding: 0.45rem 0.75rem;
    cursor: pointer;
    border: 1.5px solid var(--ink);
}

.period-row-save {
    background: transparent;
    color: var(--ink);
    white-space: nowrap;
}

.period-row-save:hover:not(:disabled),
.period-row-save:focus-visible:not(:disabled) {
    background: var(--ink);
    color: var(--paper);
    outline: none;
}

.period-row-delete {
    background: transparent;
    color: var(--down);
    border-color: var(--down);
    white-space: nowrap;
}

.period-row-delete:hover:not(:disabled),
.period-row-delete:focus-visible:not(:disabled) {
    background: var(--down);
    color: #fff;
    outline: none;
}

.period-row-save:disabled,
.period-row-delete:disabled,
.period-btn-primary:disabled,
.period-btn-danger:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.period-modal-foot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.85rem 1.1rem;
    border-top: 1.5px solid var(--tape);
}

.period-modal-status {
    flex: 1;
    min-width: 0;
    margin-right: auto;
}

.period-modal-status .period-error,
.period-modal-status .period-ok {
    padding: 0;
}

.period-btn-ghost {
    background: transparent;
    color: var(--mute);
    border-color: var(--line);
}

.period-btn-ghost:hover,
.period-btn-ghost:focus-visible {
    color: var(--ink);
    border-color: var(--ink);
    outline: none;
}

.period-btn-primary {
    background: var(--ink);
    color: var(--paper);
}

.period-btn-primary:hover:not(:disabled),
.period-btn-primary:focus-visible:not(:disabled) {
    background: var(--mark);
    border-color: var(--mark);
    outline: none;
}

.period-btn-danger {
    background: var(--down);
    color: #fff;
    border-color: var(--down);
}

.period-btn-danger:hover:not(:disabled),
.period-btn-danger:focus-visible:not(:disabled) {
    background: #7a2d24;
    border-color: #7a2d24;
    outline: none;
}

.confirm-modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
}

.confirm-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(14, 42, 47, 0.65);
}

.confirm-modal-panel {
    position: relative;
    z-index: 1;
    width: min(24rem, 100%);
    background: var(--paper);
    border: 2px solid var(--ink);
    padding: 1.15rem 1.2rem 1.1rem;
    box-shadow: 0 18px 48px rgba(14, 42, 47, 0.32);
}

.confirm-modal-panel h2 {
    margin: 0 0 0.55rem;
    font-family: "Syne", sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.confirm-modal-panel p {
    margin: 0 0 1.1rem;
    font-size: 0.98rem;
    line-height: 1.45;
    color: var(--ink);
}

.confirm-modal-panel strong {
    font-family: "IBM Plex Mono", monospace;
}

.confirm-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.period-error,
.period-ok,
.period-loading {
    margin: 0;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.8rem;
}

.period-loading {
    padding: 0.25rem 0;
}

.period-error {
    color: var(--down);
}

.period-ok {
    color: var(--up);
}

.period-loading {
    color: var(--mute);
}

@media (max-width: 560px) {
    .period-new-row {
        grid-template-columns: 1fr 1fr;
    }

    .period-row {
        grid-template-columns: 4rem 1fr 1fr;
    }

    .period-row-actions {
        grid-column: 1 / -1;
    }

    .board-manage {
        margin-left: 0;
        width: 100%;
    }
}