:root {
    color-scheme: dark;
    --bg: #070a10;
    --panel: #101723;
    --panel-soft: #151e2c;
    --text: #edf5ff;
    --muted: #8fa4ba;
    --line: rgba(144, 245, 255, 0.16);
    --cyan: #3df6ff;
    --pink: #ff4fd8;
    --green: #5dff9b;
    --amber: #ffd166;
    --danger: #ff5c7a;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
    --radius: 8px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    background:
        linear-gradient(90deg, rgba(61, 246, 255, 0.035) 1px, transparent 1px),
        linear-gradient(rgba(255, 79, 216, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 20% 20%, rgba(61, 246, 255, 0.12), transparent 28rem),
        #070a10;
    background-size: 40px 40px, 40px 40px, auto, auto;
    color: var(--text);
}

button,
input {
    font: inherit;
}

button {
    min-height: 48px;
    border: 1px solid rgba(61, 246, 255, 0.34);
    border-radius: var(--radius);
    background: rgba(16, 23, 35, 0.88);
    color: var(--text);
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

button:hover {
    transform: translateY(-1px);
    border-color: var(--cyan);
    box-shadow: 0 0 24px rgba(61, 246, 255, 0.14);
}

button:focus-visible,
input:focus-visible {
    outline: 3px solid rgba(255, 79, 216, 0.52);
    outline-offset: 3px;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
    box-shadow: none;
}

.app-shell {
    display: grid;
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    min-height: 100vh;
}

.master-panel {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 26px;
    padding: 28px 22px;
    border-right: 1px solid var(--line);
    background: rgba(7, 10, 16, 0.86);
    backdrop-filter: blur(18px);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border: 1px solid rgba(61, 246, 255, 0.55);
    border-radius: var(--radius);
    color: var(--cyan);
    font-weight: 900;
    letter-spacing: 0;
    box-shadow: inset 0 0 22px rgba(61, 246, 255, 0.1), 0 0 22px rgba(61, 246, 255, 0.12);
}

.eyebrow {
    margin: 0 0 5px;
    color: var(--cyan);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

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

h1 {
    margin-bottom: 0;
    font-size: 1.28rem;
    line-height: 1.15;
}

h2 {
    margin-bottom: 0;
    font-size: clamp(1.35rem, 2vw, 2rem);
    line-height: 1.12;
}

.goals {
    padding-top: 12px;
}

.goals h2 {
    font-size: 1rem;
}

.goals ul {
    display: grid;
    gap: 12px;
    padding: 0;
    margin: 18px 0 0;
    list-style: none;
}

.goals li {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid rgba(143, 164, 186, 0.18);
    border-radius: var(--radius);
    background: rgba(21, 30, 44, 0.58);
    color: #dbe8f6;
}

.stats-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: auto;
}

.stats-panel div {
    min-width: 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(21, 30, 44, 0.64);
}

.stats-panel span {
    display: block;
    color: var(--green);
    font-size: 1.5rem;
    font-weight: 900;
}

.stats-panel small {
    color: var(--muted);
}

.mission-deck {
    display: grid;
    gap: 22px;
    align-content: start;
    width: min(1160px, 100%);
    padding: 28px;
    margin: 0 auto;
}

.timer-card,
.task-board,
.planner-board {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(16, 23, 35, 0.94), rgba(10, 16, 25, 0.96));
    box-shadow: var(--shadow);
}

.timer-card {
    padding: clamp(20px, 3vw, 32px);
}

.scanline {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(rgba(255, 255, 255, 0.035) 50%, transparent 50%);
    background-size: 100% 6px;
    mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.timer-topline,
.board-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.status-pill {
    flex: 0 0 auto;
    padding: 10px 12px;
    border: 1px solid rgba(93, 255, 155, 0.36);
    border-radius: 999px;
    color: var(--green);
    font-size: 0.92rem;
    font-weight: 800;
}

.timer-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(250px, 380px) minmax(0, 1fr);
    gap: clamp(22px, 5vw, 54px);
    align-items: center;
    margin-top: 34px;
}

.timer-orb {
    --progress: 0deg;
    display: grid;
    place-items: center;
    align-content: center;
    width: min(100%, 360px);
    aspect-ratio: 1;
    border-radius: 50%;
    background:
        radial-gradient(circle, #101723 0 58%, transparent 59%),
        conic-gradient(var(--cyan) var(--progress), rgba(61, 246, 255, 0.1) 0);
    border: 1px solid rgba(61, 246, 255, 0.28);
    box-shadow: inset 0 0 54px rgba(61, 246, 255, 0.07), 0 0 42px rgba(255, 79, 216, 0.1);
}

.timer-orb span {
    font-variant-numeric: tabular-nums;
    color: var(--text);
    font-size: clamp(3.4rem, 9vw, 5.6rem);
    font-weight: 950;
    line-height: 1;
}

.timer-orb small {
    margin-top: 10px;
    color: var(--muted);
    font-weight: 800;
    text-transform: uppercase;
}

.mission-brief {
    display: grid;
    gap: 18px;
    min-width: 0;
}

.quote {
    margin: 0;
    padding: 22px;
    border-left: 4px solid var(--pink);
    border-radius: var(--radius);
    background: rgba(255, 79, 216, 0.08);
    color: #f5eefe;
    font-size: clamp(1.02rem, 1.8vw, 1.24rem);
    font-weight: 750;
    line-height: 1.48;
}

.active-task {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 58px;
    padding: 14px 16px;
    border: 1px solid rgba(93, 255, 155, 0.22);
    border-radius: var(--radius);
    background: rgba(93, 255, 155, 0.07);
}

.active-task p {
    margin: 0;
    color: #ddffe9;
    overflow-wrap: anywhere;
}

.dot {
    flex: 0 0 auto;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 18px var(--green);
}

.timer-actions {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}

.primary-action,
.task-form button,
.planner-form button,
.sync-button {
    border-color: rgba(61, 246, 255, 0.54);
    background: linear-gradient(135deg, rgba(61, 246, 255, 0.22), rgba(255, 79, 216, 0.2));
    font-weight: 900;
}

.task-board,
.planner-board {
    padding: clamp(18px, 2.5vw, 26px);
}

.sync-button {
    min-width: 190px;
    padding-inline: 16px;
}

.task-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 140px;
    gap: 10px;
    margin: 22px 0 18px;
}

.planner-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(74px, 1fr));
    gap: 8px;
}

.planner-tab {
    min-height: 44px;
    padding-inline: 12px;
}

.planner-tab.is-active {
    border-color: rgba(93, 255, 155, 0.52);
    background: rgba(93, 255, 155, 0.12);
    color: var(--green);
    font-weight: 900;
}

.planner-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(150px, 190px) 140px;
    gap: 10px;
    margin: 22px 0 18px;
}

.task-form input,
.planner-form input {
    min-height: 52px;
    width: 100%;
    border: 1px solid rgba(143, 164, 186, 0.24);
    border-radius: var(--radius);
    background: rgba(7, 10, 16, 0.84);
    color: var(--text);
    padding: 0 16px;
}

.task-form input::placeholder,
.planner-form input::placeholder {
    color: #6f8297;
}

.task-list,
.planner-list {
    display: grid;
    gap: 10px;
}

.task-item,
.planner-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 12px;
    align-items: center;
    min-height: 74px;
    padding: 13px;
    border: 1px solid rgba(143, 164, 186, 0.18);
    border-radius: var(--radius);
    background: rgba(21, 30, 44, 0.72);
}

.task-item.is-active,
.planner-item.is-active {
    border-color: rgba(93, 255, 155, 0.52);
    box-shadow: inset 0 0 0 1px rgba(93, 255, 155, 0.13);
}

.task-item.is-complete,
.planner-item.is-complete {
    opacity: 0.68;
}

.task-title,
.planner-title {
    display: block;
    color: var(--text);
    font-weight: 850;
    overflow-wrap: anywhere;
}

.task-meta,
.planner-meta {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.88rem;
    overflow-wrap: anywhere;
}

.task-item a {
    color: var(--cyan);
    text-decoration: none;
}

.task-item a:hover {
    text-decoration: underline;
}

.select-task,
.complete-task,
.toggle-plan,
.delete-plan {
    min-width: 104px;
    padding-inline: 12px;
}

.complete-task,
.toggle-plan {
    border-color: rgba(93, 255, 155, 0.42);
    color: #e9fff1;
}

.delete-plan {
    border-color: rgba(255, 92, 122, 0.35);
}

.empty-state {
    padding: 22px;
    border: 1px dashed rgba(143, 164, 186, 0.26);
    border-radius: var(--radius);
    color: var(--muted);
    text-align: center;
}

.toast-stack {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 20;
    display: grid;
    gap: 10px;
    width: min(360px, calc(100vw - 36px));
}

.toast {
    padding: 14px 16px;
    border: 1px solid rgba(61, 246, 255, 0.35);
    border-radius: var(--radius);
    background: rgba(10, 16, 25, 0.96);
    box-shadow: var(--shadow);
    color: var(--text);
}

.toast strong {
    display: block;
    margin-bottom: 4px;
    color: var(--cyan);
}

.reward-burst {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 30;
    padding: 16px 22px;
    border: 1px solid rgba(93, 255, 155, 0.5);
    border-radius: var(--radius);
    background: rgba(4, 20, 15, 0.92);
    color: var(--green);
    font-size: 2rem;
    font-weight: 950;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.7);
    transition: opacity 180ms ease, transform 180ms ease;
}

.reward-burst.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

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

@media (max-width: 860px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .master-panel {
        position: sticky;
        z-index: 10;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .goals ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mission-deck {
        padding: 18px;
    }

    .timer-grid,
    .timer-actions,
    .task-form,
    .planner-form,
    .task-item,
    .planner-item {
        grid-template-columns: 1fr;
    }

    .timer-orb {
        justify-self: center;
        max-width: 320px;
    }

    .board-header {
        align-items: stretch;
        flex-direction: column;
    }

    .sync-button,
    .select-task,
    .complete-task,
    .toggle-plan,
    .delete-plan {
        width: 100%;
    }

    .planner-tabs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 540px) {
    .master-panel {
        padding: 18px;
    }

    .goals ul,
    .stats-panel {
        grid-template-columns: 1fr;
    }
}