:root {
    --bg: #2a2d35;
    --panel: #31343d;
    --panel-dark: #22252c;
    --panel-mid: #3a3d47;
    --border: #484c58;
    --text: #e2e8f0;
    --muted: #8890a0;
    --accent-cyan: #00d4ff;
    --accent-green: #10b981;
    --accent-orange: #f5a623;
    --shadow: #111316;
}

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

body {
    font-family: 'Press Start 2P', monospace;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0, 0, 0, 0.05) 3px,
        rgba(0, 0, 0, 0.05) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

.brand-roco {
    color: var(--accent-cyan);
}

.brand-calc {
    color: var(--accent-orange);
}

.brand-main-roco {
    text-shadow: 3px 3px 0 #003344;
}

.brand-main-calc {
    text-shadow: 3px 3px 0 #332200;
}

.brand-mini-roco {
    text-shadow: 2px 2px 0 #003344;
}

.brand-mini-calc {
    text-shadow: 2px 2px 0 #332200;
}

.footer-separator {
    color: var(--border);
}

.footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 9px;
    color: var(--muted);
    letter-spacing: 1px;
    flex-wrap: wrap;
}

.footer a {
    color: var(--muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.12s;
}

.footer a:hover {
    color: var(--accent-cyan);
}

.gh-icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.home-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.title-image-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.title-image {
    width: min(460px, 94vw);
    height: auto;
    display: block;
}

.logo {
    font-size: 22px;
    letter-spacing: 4px;
    margin-bottom: 10px;
    text-align: center;
}

.tagline {
    font-size: 9px;
    color: var(--muted);
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 44px;
    line-height: 2;
}

.section-label {
    font-size: 9px;
    color: var(--muted);
    letter-spacing: 2px;
    margin-bottom: 18px;
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    width: 100%;
    max-width: 680px;
}

.tool-card {
    background: var(--panel);
    border: 2px solid var(--border);
    border-top: 4px solid var(--accent-cyan);
    box-shadow: 4px 4px 0 var(--shadow);
    padding: 24px 20px;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: background 0.12s;
}

.tool-card:hover {
    background: var(--panel-mid);
}

.tool-card:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--shadow);
}

.tool-card .icon {
    font-size: 24px;
    line-height: 1;
}

.tool-card .name {
    font-size: 13px;
    letter-spacing: 1px;
}

.tool-card .desc {
    font-size: 9px;
    color: var(--muted);
    line-height: 2.2;
    letter-spacing: 0.5px;
}

.tool-card .tag {
    display: inline-block;
    font-size: 8px;
    color: var(--accent-green);
    border: 2px solid var(--accent-green);
    padding: 4px 8px;
    letter-spacing: 1px;
    align-self: flex-start;
}

.tool-card.soon {
    border-top-color: var(--border);
    cursor: default;
    opacity: 0.45;
}

.tool-card.soon:hover {
    background: var(--panel);
}

.tool-card.soon:active {
    transform: none;
    box-shadow: 4px 4px 0 var(--shadow);
}

.tool-card.soon .tag {
    color: var(--border);
    border-color: var(--border);
}

.tool-name-muted {
    color: var(--muted);
}

.home-page .footer {
    margin-top: 40px;
}

@media (max-width: 640px) {
    .logo {
        font-size: 18px;
        letter-spacing: 2px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }
}

.rack-page {
    padding: 20px 20px 60px;
}

.container {
    max-width: 1060px;
    margin: 0 auto;
}

.top-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    color: #8890a0;
    text-decoration: none;
    letter-spacing: 1px;
    margin-bottom: 0;
    transition: color 0.12s;
}

.back-link:hover {
    color: #00d4ff;
}

.help-trigger {
    font-family: inherit;
    font-size: 8px;
    height: 32px;
    padding: 0 12px;
    border: 2px solid #00d4ff;
    background: #3a3d47;
    color: #00d4ff;
    letter-spacing: 1px;
    cursor: pointer;
    box-shadow: 2px 2px 0 #003344;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.help-trigger:hover {
    background: rgba(0, 212, 255, 0.1);
}

.help-trigger:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.page-title {
    text-align: center;
    font-size: 20px;
    letter-spacing: 3px;
    margin-bottom: 4px;
}

.breadcrumb {
    text-align: center;
    font-size: 9px;
    color: #8890a0;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.dashboard {
    background: #22252c;
    border: 2px solid #484c58;
    border-top: 4px solid #00d4ff;
    padding: 18px 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
    position: relative;
    box-shadow: 4px 4px 0 #111316;
}

.dash-cell {
    text-align: center;
}

.label-head {
    font-size: 8px;
    color: #8890a0;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 10px;
    line-height: 1.8;
}

.dash-val {
    font-size: 16px;
    color: #00d4ff;
    display: block;
    text-shadow: 2px 2px 0 #003344;
    line-height: 1.4;
}

.dash-sub {
    font-size: 10px;
    color: #10b981;
    display: block;
    margin-top: 6px;
}

.divider-cell {
    border-left: 2px solid #484c58;
    padding-left: 16px;
}

.total-footer {
    grid-column: span 3;
    border-top: 2px solid #484c58;
    padding-top: 16px;
    text-align: center;
}

.total-label-row {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.total-label-row .label-head {
    margin-bottom: 0;
}

.caution-trigger {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid #f5a623;
    background: #3a3d47;
    color: #f5a623;
    box-shadow: 2px 2px 0 #332200;
    font-family: inherit;
    font-size: 10px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.caution-trigger:hover {
    background: rgba(245, 166, 35, 0.12);
}

.caution-trigger:active {
    transform: translate(1px, 1px);
    box-shadow: none;
}

.total-big {
    font-size: 22px;
    color: #10b981;
    text-shadow: 2px 2px 0 #003322;
    letter-spacing: 1px;
    line-height: 1.4;
    display: block;
    margin-bottom: 12px;
}

.total-note {
    font-size: 7px;
    color: #f5a623;
    letter-spacing: 1px;
    line-height: 2.2;
}

.target-wrap {
    margin-top: 14px;
    border-top: 2px solid #484c58;
    padding-top: 12px;
    display: grid;
    gap: 8px;
}

.target-label {
    font-size: 8px;
    color: #8890a0;
    letter-spacing: 1px;
    line-height: 1.8;
}

.target-input-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.target-input {
    width: 170px;
    text-align: center;
    color: #00d4ff;
}

.target-unit {
    width: 110px;
    text-align: center;
    color: #00d4ff;
}

.target-progress {
    width: 100%;
    max-width: 520px;
    height: 14px;
    margin: 2px auto 0;
    border: 2px solid #484c58;
    background: #22252c;
    overflow: hidden;
}

.target-progress-fill {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #10b981);
    transition: width 0.15s ease;
}

.target-progress-fill.target-state-safe {
    background: linear-gradient(90deg, #00d4ff, #10b981);
}

.target-progress-fill.target-state-near {
    background: linear-gradient(90deg, #f5a623, #facc15);
}

.target-progress-fill.target-state-over {
    background: linear-gradient(90deg, #f43f5e, #ef4444);
}

.target-line {
    font-size: 8px;
    color: #8890a0;
    letter-spacing: 1px;
    line-height: 1.8;
}

.target-line.target-state-safe {
    color: #10b981;
}

.target-line.target-state-near {
    color: #f5a623;
}

.target-line.target-state-over {
    color: #f43f5e;
}

.sync-tag {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 8px;
    color: #10b981;
    opacity: 0;
    transition: 0.4s;
}

.rack-box {
    background: #31343d;
    border: 2px solid #484c58;
    border-top: 4px solid #00d4ff;
    margin-bottom: 14px;
    box-shadow: 4px 4px 0 #111316;
}

.rack-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #22252c;
    border-bottom: 2px solid #484c58;
    gap: 12px;
    flex-wrap: wrap;
}

.rack-title {
    font-size: 11px;
    color: #00d4ff;
    letter-spacing: 1px;
}

.rack-boost-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 10px;
    color: #10b981;
}

.rack-boost-wrap input {
    width: 64px !important;
    color: #10b981 !important;
    text-align: center;
}

.col-heads {
    display: grid;
    grid-template-columns: 90px 2fr 120px 110px 110px 40px;
    gap: 8px;
    padding: 8px 16px;
    background: #3a3d47;
    border-bottom: 2px solid #484c58;
}

.col-head {
    font-size: 8px;
    color: #8890a0;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}

.miners-wrap {
    padding: 0 16px;
}

.miner-wrapper {
    border-bottom: 1px solid #3a3d47;
}

.miner-wrapper:last-child {
    border-bottom: none;
}

.miner-row {
    display: grid;
    grid-template-columns: 90px 2fr 120px 110px 110px 40px;
    gap: 8px;
    padding: 8px 0;
    align-items: center;
}

.is-locked {
    opacity: 0.22;
    filter: grayscale(1);
}

.lock-indicator {
    font-size: 8px;
    color: #f43f5e;
    text-align: right;
    padding: 0 0 6px;
    display: none;
    line-height: 1.8;
}

.is-locked + .lock-indicator {
    display: block;
}

input,
select {
    background: #22252c;
    border: 2px solid #484c58;
    color: #e2e8f0;
    padding: 0 10px;
    font-family: inherit;
    font-size: 10px;
    width: 100%;
    border-radius: 0;
    height: 38px;
    transition: border-color 0.12s;
}

input:focus,
select:focus {
    outline: none;
    border-color: #00d4ff;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

input::placeholder {
    color: #484c58;
}

.rarity-I {
    color: #ffffff !important;
}

.rarity-II {
    color: #10b981 !important;
}

.rarity-III {
    color: #00d4ff !important;
}

.rarity-IV {
    color: #f472b6 !important;
}

.rarity-V {
    color: #f5a623 !important;
}

.m-bonus {
    color: #10b981 !important;
}

.rack-footer {
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    background: #22252c;
    border-top: 2px solid #484c58;
}

.btn-add-miner,
.btn-del-rack,
.del-miner,
.btn-add-rack {
    font-family: inherit;
}

.btn-add-miner {
    background: #3a3d47;
    border: 2px solid #00d4ff;
    color: #00d4ff;
    font-size: 9px;
    padding: 0 14px;
    height: 38px;
    cursor: pointer;
    letter-spacing: 1px;
    box-shadow: 2px 2px 0 #003344;
    transition: background 0.1s;
    display: flex;
    align-items: center;
}

.btn-add-miner:hover {
    background: rgba(0, 212, 255, 0.1);
}

.btn-add-miner:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.btn-del-rack {
    background: #3a3d47;
    border: 2px solid #f43f5e;
    color: #f43f5e;
    font-size: 9px;
    padding: 0 14px;
    height: 38px;
    cursor: pointer;
    margin-left: auto;
    box-shadow: 2px 2px 0 #330011;
    transition: background 0.1s;
    display: flex;
    align-items: center;
}

.btn-del-rack:hover {
    background: rgba(244, 63, 94, 0.1);
}

.btn-del-rack:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.del-miner {
    background: #3a3d47;
    border: 2px solid #484c58;
    color: #8890a0;
    font-size: 14px;
    width: 40px;
    height: 38px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.1s, color 0.1s;
}

.del-miner:hover {
    border-color: #f43f5e;
    color: #f43f5e;
}

.del-miner:active {
    transform: translate(2px, 2px);
}

.btn-add-rack {
    width: 100%;
    background: transparent;
    border: 2px dashed #484c58;
    color: #8890a0;
    font-size: 10px;
    padding: 16px;
    cursor: pointer;
    letter-spacing: 2px;
    margin-top: 4px;
    transition: all 0.15s;
}

.btn-add-rack:hover {
    border-color: #00d4ff;
    color: #00d4ff;
}

.btn-add-rack:active {
    transform: translate(2px, 2px);
}

.io-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-io {
    background: #3a3d47;
    border: 2px solid #484c58;
    color: #8890a0;
    font-family: inherit;
    font-size: 9px;
    padding: 0 14px;
    height: 38px;
    cursor: pointer;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.1s, color 0.1s, border-color 0.1s;
}

.btn-export {
    border-color: #00d4ff;
    color: #00d4ff;
    box-shadow: 2px 2px 0 #003344;
}

.btn-export:hover {
    background: rgba(0, 212, 255, 0.1);
}

.btn-import {
    border-color: #f5a623;
    color: #f5a623;
    box-shadow: 2px 2px 0 #332200;
}

.btn-import:hover {
    background: rgba(245, 166, 35, 0.1);
}

.btn-io:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 12, 16, 0.84);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 18px;
    z-index: 10001;
}

.confirm-overlay.is-open {
    display: flex;
}

.confirm-modal {
    width: min(520px, 100%);
    background: #22252c;
    border: 2px solid #484c58;
    border-top: 4px solid #00d4ff;
    box-shadow: 6px 6px 0 #111316;
    padding: 16px;
}

.confirm-head {
    margin-bottom: 10px;
}

.confirm-title {
    font-size: 11px;
    color: #00d4ff;
    letter-spacing: 1px;
    text-shadow: 2px 2px 0 #003344;
}

.confirm-message {
    font-size: 9px;
    color: #e2e8f0;
    line-height: 2;
    letter-spacing: 1px;
    margin-bottom: 14px;
}

.confirm-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.confirm-btn {
    font-family: inherit;
    font-size: 9px;
    height: 38px;
    padding: 0 14px;
    border: 2px solid #484c58;
    background: #3a3d47;
    color: #e2e8f0;
    letter-spacing: 1px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.confirm-btn:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.confirm-cancel {
    border-color: #f5a623;
    color: #f5a623;
    box-shadow: 2px 2px 0 #332200;
}

.confirm-cancel:hover {
    background: rgba(245, 166, 35, 0.1);
}

.confirm-delete {
    border-color: #f43f5e;
    color: #f43f5e;
    box-shadow: 2px 2px 0 #330011;
}

.confirm-delete:hover {
    background: rgba(244, 63, 94, 0.1);
}

.help-modal {
    border-color: #2f4f66;
    border-top-color: #00d4ff;
}

.help-modal .confirm-title {
    color: #00d4ff;
    text-shadow: 2px 2px 0 #003344;
}

.help-message {
    display: grid;
    gap: 8px;
}

.help-message p {
    margin: 0;
}

.help-close {
    border-color: #f5a623;
    color: #f5a623;
    box-shadow: 2px 2px 0 #332200;
}

.help-close:hover {
    background: rgba(245, 166, 35, 0.1);
}

.caution-modal {
    width: min(100%, 440px);
    padding: 12px 0;
    border-color: #2f4f66;
    border-top-color: #00d4ff;
}

.caution-modal .confirm-head,
.caution-modal .confirm-actions {
    padding: 0 12px;
}

.caution-modal .confirm-title {
    color: #00d4ff;
    text-shadow: 2px 2px 0 #003344;
}

.caution-image {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 0 12px;
    border: 2px solid #484c58;
    background: #111316;
}

.caution-close {
    border-color: #f5a623;
    color: #f5a623;
    box-shadow: 2px 2px 0 #332200;
}

.caution-close:hover {
    background: rgba(245, 166, 35, 0.1);
}

.rack-page .footer {
    margin-top: 36px;
}

@media (max-width: 900px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    .divider-cell {
        border-left: none;
        border-top: 2px solid #484c58;
        padding-left: 0;
        padding-top: 16px;
    }

    .total-footer {
        grid-column: span 1;
    }

    .rack-box {
        overflow-x: auto;
    }

    .col-heads,
    .miner-row {
        min-width: 620px;
    }
}

@media (max-width: 700px) {
    .rack-page {
        padding: 14px 12px 44px;
    }

    .top-actions {
        flex-wrap: wrap;
        gap: 8px;
    }

    .help-trigger {
        margin-left: auto;
    }

    .page-title {
        font-size: 16px;
        letter-spacing: 2px;
    }

    .breadcrumb {
        font-size: 8px;
        margin-bottom: 14px;
    }

    .dashboard {
        padding: 14px 12px;
        gap: 12px;
    }

    .dash-val {
        font-size: 14px;
    }

    .total-big {
        font-size: 18px;
    }

    .total-label-row {
        gap: 6px;
    }

    .caution-trigger {
        width: 20px;
        height: 20px;
        font-size: 9px;
    }

    .target-input-row {
        flex-direction: column;
        gap: 6px;
    }

    .target-input,
    .target-unit {
        width: 100%;
        max-width: 320px;
    }

    .rack-header {
        padding: 10px 12px;
    }

    .col-heads {
        display: none;
    }

    .miners-wrap {
        padding: 0 12px;
    }

    .miner-row {
        min-width: 0;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 10px 0;
    }

    .miner-row .m-rarity,
    .miner-row .m-name,
    .miner-row .m-pow,
    .miner-row .m-unit,
    .miner-row .m-bonus,
    .miner-row .del-miner {
        grid-column: span 2;
    }

    .miner-row .m-rarity {
        text-align: center;
    }

    .miner-row .del-miner {
        width: 100%;
        height: 34px;
    }

    .rack-footer {
        flex-direction: column;
        padding: 10px 12px;
    }

    .btn-add-miner,
    .btn-del-rack {
        width: 100%;
        justify-content: center;
    }

    .btn-del-rack {
        margin-left: 0;
    }

    .btn-io {
        width: 100%;
    }

    .confirm-modal {
        padding: 12px;
    }
}