:root {
    --phsb-bg: #08090b;
    --phsb-panel: rgba(13, 17, 22, .88);
    --phsb-panel-soft: rgba(255, 255, 255, .045);
    --phsb-line: rgba(142, 220, 255, .18);
    --phsb-line-strong: rgba(142, 220, 255, .55);
    --phsb-text: #f4f0e6;
    --phsb-muted: #9ea8b8;
    --phsb-gold: #f2d37b;
    --phsb-blue: #9fe8ff;
    --phsb-danger: #ff8c8c;
    --phsb-success: #7df0a6;
}

.phsb,
.phsb * {
    box-sizing: border-box;
}

.ph-skillbuilder-page {
    color: var(--phsb-text);
    font-family: "Segoe UI", Tahoma, sans-serif;
    min-height: 100vh;
    padding: 22px;
}

.phsb {
    --skill-icon-size: 48px;
    --skill-slot-width: var(--skill-icon-size);
    --skill-button-width: var(--skill-icon-size);
    --skill-button-height: 28px;
    --phsb-tab-off: url("../web/assets/skill-ui/skl_mastery_tab_off.png");
    --phsb-tab-on: url("../web/assets/skill-ui/skl_mastery_tab_on.png");
    --phsb-subject: url("../web/assets/skill-ui/skl_mastery_subject.png");
    --phsb-nothing: url("../web/assets/skill-ui/skl_mastery_nothing.png");
    --phsb-level-down: url("../web/assets/skill-ui/button_level_down.png");
    --phsb-mastery-levelup: url("../web/assets/skill-ui/skl_mastery_levelup.png");
    --phsb-button-up: url("../web/assets/skill-ui/skl_button_up.png");
    --phsb-button-add: url("../web/assets/skill-ui/skl_button_add.png");
    --phsb-button-down: url("../web/assets/skill-ui/skl_button_down.png");
    --phsb-level-max: url("../web/assets/skill-ui/skl_level_max.png");
    --phsb-wnd-box: url("../web/assets/skill-ui/skl_wnd_box.png");
    --phsb-frame-left-up: url("../web/assets/skill-ui/frame_sub_left_up.png");
    --phsb-frame-mid-up: url("../web/assets/skill-ui/frame_sub_mid_up.png");
    --phsb-frame-right-up: url("../web/assets/skill-ui/frame_sub_right_up.png");
    --phsb-frame-left-side: url("../web/assets/skill-ui/frame_sub_left_side.png");
    --phsb-frame-right-side: url("../web/assets/skill-ui/frame_sub_right_side.png");
    --phsb-frame-left-down: url("../web/assets/skill-ui/frame_sub_left_down.png");
    --phsb-frame-mid-down: url("../web/assets/skill-ui/frame_sub_mid_down.png");
    --phsb-frame-right-down: url("../web/assets/skill-ui/frame_sub_right_down.png");
    --phsb-arrow-left: url("../web/assets/icons/arrow_left.png");
    --phsb-arrow-right: url("../web/assets/icons/arrow_right.png");
    max-width: 1500px;
    margin: 0 auto;
    color: var(--phsb-text);
}

.phsb button,
.phsb img,
.phsb span,
.phsb strong,
.phsb h1,
.phsb h2,
.phsb h3 {
    user-select: none;
}

.phsb-head {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(320px, 540px);
    gap: 14px;
    align-items: stretch;
    margin-bottom: 18px;
}

.phsb-card {
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 16px;
    background:
            linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.025)),
            var(--phsb-panel);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 20px 42px rgba(0,0,0,.28);
}

.phsb-hero {
    padding: clamp(16px, 2vw, 24px);
}

.phsb-kicker {
    display: inline-flex;
    margin-bottom: 10px;
    padding: 5px 9px;
    border: 1px solid rgba(255,85,75,.55);
    border-radius: 999px;
    color: #ffd8d5;
    background: linear-gradient(180deg, rgba(255,70,60,.28), rgba(112,20,18,.38));
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.phsb h1 {
    margin: 0;
    color: var(--phsb-text);
    font-size: clamp(28px, 3vw, 44px);
    letter-spacing: .02em;
}

.phsb-lead {
    max-width: 760px;
    margin: 8px 0 0;
    color: var(--phsb-muted);
    line-height: 1.55;
}

.phsb-controls {
    display: grid;
    gap: 12px;
    padding: 14px;
}

.phsb-control {
    display: grid;
    gap: 7px;
}

.phsb-control-actions {
    justify-items: end;
}

.phsb-control > span {
    color: var(--phsb-muted);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.phsb-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.phsb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 8px 12px;
    border: 1px solid rgba(142,220,255,.18);
    border-radius: 12px;
    color: #d6d0bd;
    background:
            linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025)),
            rgba(4,8,12,.5);
    font-weight: 800;
    cursor: pointer;
    transition: transform .12s ease, border-color .12s ease, background .12s ease, color .12s ease, box-shadow .12s ease;
}

.phsb-btn:hover,
.phsb-btn.active {
    color: #fff;
    border-color: rgba(142,220,255,.8);
    background:
            linear-gradient(180deg, rgba(70,187,231,.35), rgba(22,107,145,.58)),
            rgba(6,18,26,.85);
    box-shadow: 0 0 0 1px rgba(142,220,255,.16), 0 8px 18px rgba(0,0,0,.24);
}

.phsb-btn.is-locked {
    border-color: rgba(255, 211, 107, .26);
    color: #cbbf9a;
}

.phsb-btn.is-locked::after {
    content: "App only";
    position: relative;
    top: -.45em;
    margin-left: 2px;
    color: var(--phsb-gold);
    font-size: 9px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: .03em;
    white-space: nowrap;
}

.phsb-btn img {
    display: block;
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.phsb-reset-btn {
    justify-self: end;
    min-height: 38px;
    padding: 8px 14px;
    border: 1px solid rgba(255,152,109,.38);
    border-radius: 12px;
    color: #ffd7c6;
    background:
            linear-gradient(180deg, rgba(255,152,109,.16), rgba(78,24,12,.38)),
            rgba(0,0,0,.24);
    font-weight: 900;
    cursor: pointer;
    transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
}

.phsb-reset-btn:hover,
.phsb-reset-btn:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(255,186,148,.8);
    box-shadow: 0 8px 18px rgba(0,0,0,.24);
}

.phsb-mode-row {
    display: flex;
    justify-content: center;
    margin: 0 auto 28px;
}

.phsb-mode-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 999px;
    background: rgba(0,0,0,.26);
}

.phsb-mode-label {
    color: var(--phsb-muted);
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
}

.phsb-mode-label.active {
    color: var(--phsb-blue);
}

.phsb-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 20px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.phsb-switch-track {
    width: 48px;
    height: 20px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.07);
    background: linear-gradient(180deg,#5c586f,#49455a);
}

.phsb-switch-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    display: grid;
    place-items: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    color: #3f3b4d;
    background: linear-gradient(180deg,#fafbff,#eceef6);
    font-size: 12px;
    font-weight: 900;
    transition: transform .16s ease;
}

.phsb-switch.is-down .phsb-switch-track {
    border-color: rgba(255, 145, 145, .28);
    background: linear-gradient(180deg,#de6f75,#b84650);
}

.phsb-switch.is-down .phsb-switch-thumb {
    transform: translateX(26px);
}

.phsb-loading,
.phsb-error {
    padding: 18px;
    margin: 14px 0;
    border-radius: 14px;
    background: rgba(0,0,0,.24);
    color: var(--phsb-muted);
}

.phsb-error {
    color: var(--phsb-danger);
}

.phsb-dual {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 120px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.phsb-editor {
    display: grid;
    justify-items: center;
    gap: 10px;
}

.phsb-editor-head {
    display: flex;
    justify-content: center;
    flex-grow: 0;
    flex-shrink: 1;
    align-items: center;
    gap: 12px;
    min-height: 46px;
    padding: 10px 14px;
    border: 1px solid rgba(142,220,255,.18);
    border-radius: 14px;
    color: var(--phsb-text);
    margin: 15px 20%;
}

.phsb-editor-title {
    margin: 0;
    font-size: 19px;
    color: var(--phsb-text);
}

.phsb-compare {
    display: grid;
    justify-items: center;
    gap: 10px;
    padding-top: 160px;
}

.phsb-copy {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 0;
    color: transparent;
    background: transparent;
    font-size: 0;
    cursor: pointer;
}

.phsb-copy::before {
    content: "";
    display: block;
    width: 34px;
    height: 34px;
    background: var(--phsb-arrow-right) center / contain no-repeat;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.65));
    transition: transform .12s ease, filter .12s ease;
}

.phsb-copy[data-phsb-copy="future-to-current"]::before {
    background-image: var(--phsb-arrow-left);
}

.phsb-copy:hover::before,
.phsb-copy:focus-visible::before {
    transform: scale(1.12);
    filter: drop-shadow(0 0 8px rgba(159,232,255,.75));
}

.phsb-copy:active::before {
    transform: scale(.96);
}

.phsb-diff {
    display: grid;
    gap: 6px;
    justify-items: center;
    padding: 14px;
    width: 120px;
}

.phsb-diff span {
    color: var(--phsb-muted);
    font-size: 11px;
    text-align: center;
    text-transform: uppercase;
}

.phsb-diff strong {
    color: var(--phsb-gold);
    font-size: 22px;
}

.phsb-board {
    position: relative;
    width: calc(40px + var(--skill-icon-size) + (var(--skill-slot-width) * 8));
    max-width: calc(100vw - 28px);
    color: #dcd7c9;
    background:
            radial-gradient(circle at 100% 0%, rgba(74,74,70,.28), transparent 34%),
            linear-gradient(180deg, #111110, #030303);
    box-shadow: 0 24px 48px rgba(0,0,0,.5);
    user-select: none;
}

.phsb-board > :not(.phsb-frame-pieces) {
    position: relative;
    z-index: 1;
}

.phsb-frame-pieces {
    pointer-events: none;
    position: absolute;
    inset: -12px;
    z-index: 0;
}

.phsb-frame {
    position: absolute;
    width: 24px;
    height: 24px;
    background-repeat: no-repeat;
    background-size: 24px 24px;
}

.phsb-frame-left-up {
    left: 0;
    top: 0;
    background-image: var(--phsb-frame-left-up);
}

.phsb-frame-mid-up {
    left: 24px;
    right: 24px;
    top: 0;
    width: auto;
    background-image: var(--phsb-frame-mid-up);
    background-repeat: repeat-x;
}

.phsb-frame-right-up {
    right: 0;
    top: 0;
    background-image: var(--phsb-frame-right-up);
}

.phsb-frame-left-side {
    left: 0;
    top: 24px;
    bottom: 24px;
    height: auto;
    background-image: var(--phsb-frame-left-side);
    background-repeat: repeat-y;
}

.phsb-frame-right-side {
    right: 0;
    top: 24px;
    bottom: 24px;
    height: auto;
    background-image: var(--phsb-frame-right-side);
    background-repeat: repeat-y;
}

.phsb-frame-left-down {
    left: 0;
    bottom: 0;
    background-image: var(--phsb-frame-left-down);
}

.phsb-frame-mid-down {
    left: 24px;
    right: 24px;
    bottom: 0;
    width: auto;
    background-image: var(--phsb-frame-mid-down);
    background-repeat: repeat-x;
}

.phsb-frame-right-down {
    right: 0;
    bottom: 0;
    background-image: var(--phsb-frame-right-down);
}

.phsb-tabs,
.phsb-subtabs {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
    overflow: auto hidden;
}

.phsb-tab,
.phsb-subtab {
    display: grid;
    place-items: center;
    height: 30px;
    min-width: 82px;
    padding: 0 14px;
    border: 0;
    border-radius: 0;
    color: #d3d9e6;
    background: var(--phsb-tab-off) center / 100% 100% no-repeat;
    font-weight: 800;
    text-shadow: 0 2px 2px rgba(0,0,0,.9);
    cursor: pointer;
}

.phsb-tab.active,
.phsb-subtab.active {
    color: #fff;
    background-image: var(--phsb-tab-on);
}

.phsb-subtab {
    height: 32px;
    min-width: 96px;
    color: #aeb1b5;
}

.phsb-mastery {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    height: 58px;
    margin: 0;
    padding: 0 12px;
    background:
            var(--phsb-subject) center / 100% 100% no-repeat,
            linear-gradient(180deg, #373734, #20201e);
}

.phsb-mastery-main {
    display: flex;
    align-items: center;
    gap: 8px;
}

.phsb-mastery-main img {
    width: 35px;
    height: 35px;
    margin-right: 5px;
    object-fit: contain;
}

.phsb-mastery-main h3 {
    margin: 0;
    color: var(--phsb-blue);
    font-size: 18px;
}

.phsb-stepper {
    display: flex;
    align-items: center;
    gap: 6px;
}

.phsb-step {
    width: 96px;
    height: 26px;
    padding: 0;
    border: 0;
    color: transparent;
    cursor: pointer;
}

.phsb-step.down {
    background: var(--phsb-level-down) center / contain no-repeat;
}

.phsb-step.up {
    background: var(--phsb-mastery-levelup) center / 100% 100% no-repeat;
}

.phsb-level-input {
    width: 62px;
    height: 24px;
    color: var(--phsb-blue);
    background: #07090b;
    text-align: center;
    font-weight: 900;
}

.phsb-level-input::-webkit-outer-spin-button,
.phsb-level-input::-webkit-inner-spin-button {
    margin: 0;
    -webkit-appearance: none;
}

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

.phsb-grid {
    display: grid;
    max-height: 420px;
    overflow: auto;
    background: linear-gradient(180deg, rgba(44, 44, 40, .78), rgba(24, 24, 22, .88));
}

.phsb-group {
    display: grid;
    grid-template-columns: var(--skill-icon-size) calc(var(--skill-slot-width) * 8);
    min-height: calc(var(--skill-icon-size) + var(--skill-button-height));
}

.phsb-group-title {
    display: grid;
    place-items: center;
    width: var(--skill-icon-size);
    height: var(--skill-icon-size);
    border: 0;
    padding: 0;
    background: var(--phsb-nothing) center / 100% 100% no-repeat;
    cursor: pointer;
}

.phsb-group-title:hover {
    filter: brightness(1.12);
}

.phsb-group-title img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.phsb-skills {
    display: grid;
    grid-template-columns: repeat(8, var(--skill-slot-width));
}

.phsb-slot {
    position: relative;
    display: grid;
    width: var(--skill-slot-width);
    min-height: calc(var(--skill-icon-size) + var(--skill-button-height));
}

.phsb-skill-icon,
.phsb-placeholder {
    display: grid;
    place-items: center;
    width: var(--skill-icon-size);
    height: var(--skill-icon-size);
    padding: 0;
    border: 0;
    background: transparent;
}

.phsb-skill-icon {
    cursor: pointer;
}

.phsb-skill-icon img,
.phsb-placeholder img {
    width: var(--skill-icon-size);
    height: var(--skill-icon-size);
    object-fit: contain;
}

.phsb-slot.is-unlearned .phsb-skill-icon img {
    filter: grayscale(.9) brightness(.55);
}

.phsb-slot.is-blocking .phsb-skill-icon {
    outline: 2px solid #ffcf6b;
    outline-offset: -2px;
}

.phsb-skill-level {
    position: absolute;
    right: 3px;
    bottom: 29px;
    min-width: 10px;
    padding: 1px 3px;
    color: #f5e08d;
    background: linear-gradient(180deg, #111110, #030303);
    font-size: 9px;
    line-height: 10px;
    font-weight: 900;
    text-align: center;
}

.phsb-actions {
    display: grid;
    place-items: start center;
    width: var(--skill-slot-width);
    height: var(--skill-button-height);
}

.phsb-skill-btn {
    display: block;
    width: var(--skill-button-width);
    aspect-ratio: 32 / 20;
    height: auto;
    padding: 0;
    margin: 0;
    border: 0;
    color: transparent;
    background: var(--phsb-button-up) center / contain no-repeat;
    cursor: pointer;
}

.phsb-skill-btn.add {
    background-image: var(--phsb-button-add);
}

.phsb-skill-btn.down {
    background-image: var(--phsb-button-down);
}

.phsb.max-mode .phsb-skill-btn:not(.down) {
    background-image: var(--phsb-level-max);
}

.phsb-tooltip {
    display: none;
    position: absolute;
    left: calc(100% + 8px);
    top: -4px;
    z-index: 50;
    min-width: 230px;
    max-width: 320px;
    padding: 8px 10px;
    border: 1px solid rgba(217,183,122,.42);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(12,10,8,.99), rgba(4,4,4,.995));
    box-shadow: 0 10px 26px rgba(0,0,0,.55);
}

.phsb-slot:hover .phsb-tooltip {
    display: none;
}

.phsb-floating-tooltip {
    position: fixed;
    z-index: 99999;
    min-width: 230px;
    max-width: 320px;
    padding: 8px 10px;
    border: 1px solid rgba(217,183,122,.42);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(12,10,8,.99), rgba(4,4,4,.995));
    box-shadow: 0 10px 26px rgba(0,0,0,.55);
    pointer-events: none;
}

.phsb-tooltip-title,
.phsb-floating-tooltip .phsb-tooltip-title {
    margin-bottom: 5px;
    color: #f0efe8;
    font-weight: 800;
}

.phsb-tooltip-line,
.phsb-floating-tooltip .phsb-tooltip-line {
    color: #e1d8c9;
    font-size: .8rem;
    line-height: 1.35;
}

.phsb-summary {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    padding: 0 18px;
    color: #f4d760;
    background:
            var(--phsb-wnd-box) center / 100% 100% no-repeat,
            linear-gradient(180deg, #232321, #111);
    font-size: 16px;
    font-weight: 900;
}

.phsb-summary span:nth-of-type(1) {
    color: #f4d760;
}

.phsb-summary span:nth-of-type(2) {
    justify-self: end;
    color: #9fe8ff;
}

@media (max-width: 1180px) {
    .phsb-head,
    .phsb-dual {
        grid-template-columns: 1fr;
    }

    .phsb-compare {
        grid-template-columns: 1fr 1fr 1fr;
        align-items: center;
        padding-top: 0;
    }
}

@media (max-width: 680px) {
    .ph-skillbuilder-page {
        padding: 10px;
    }

    .phsb {
        --skill-icon-size: 42px;
    }

    .phsb-mode-toggle {
        flex-wrap: wrap;
        justify-content: center;
    }
}