* {
    box-sizing: border-box;
}

:root {
    --bg: #323437;
    --panel: #2c2e31;
    --panel-2: #2a2c2f;
    --panel-hover: #313338;
    --text: #d1d0c5;
    --subtle: #646669;
    --hint: #888;
    --accent: #b8f2cf;
    --accent-soft: rgba(184, 242, 207, 0.14);
    --error: #f44336;
    --error-bg: rgba(202, 71, 84, 0.15);
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: 'Azeret Mono', monospace;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 0.75rem;
}

body.mode-dark {
    --bg: #323437;
    --panel: #2c2e31;
    --panel-2: #2a2c2f;
    --panel-hover: #313338;
    --text: #d1d0c5;
    --subtle: #646669;
    --hint: #888;
    --error: #f44336;
    --error-bg: rgba(202, 71, 84, 0.15);
}

body.mode-light {
    --bg: #f7f4ed;
    --panel: #ebe6da;
    --panel-2: #e2dccf;
    --panel-hover: #d8d2c6;
    --text: #3b3b3b;
    --subtle: #8a8578;
    --hint: #989285;
    --error: #d1495b;
    --error-bg: rgba(209, 73, 91, 0.12);
}

body.mode-dark.accent-pink {
    --accent: #ffb3c7;
    --accent-soft: rgba(255, 179, 199, 0.14);
}

body.mode-light.accent-pink {
    --accent: #d96c8a;
    --accent-soft: rgba(217, 108, 138, 0.14);
}

body.mode-dark.accent-blue {
    --accent: #a9d6ff;
    --accent-soft: rgba(169, 214, 255, 0.14);
}

body.mode-light.accent-blue {
    --accent: #5b8fc9;
    --accent-soft: rgba(91, 143, 201, 0.14);
}

body.mode-dark.accent-green {
    --accent: #b8f2cf;
    --accent-soft: rgba(184, 242, 207, 0.14);
}

body.mode-light.accent-green {
    --accent: #5ea77b;
    --accent-soft: rgba(94, 167, 123, 0.14);
}

body.mode-dark.accent-purple {
    --accent: #d8c4ff;
    --accent-soft: rgba(216, 196, 255, 0.14);
}

body.mode-light.accent-purple {
    --accent: #8d72c7;
    --accent-soft: rgba(141, 114, 199, 0.14);
}

body.mode-dark.accent-peach {
    --accent: #ffd1ba;
    --accent-soft: rgba(255, 209, 186, 0.14);
}

body.mode-light.accent-peach {
    --accent: #d58a68;
    --accent-soft: rgba(213, 138, 104, 0.14);
}

.app {
    height: min(96vh, 940px);
    width: min(1060px, 92vw);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow: hidden;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 5rem;
    margin-bottom: 0.45rem;
    flex-shrink: 0;
}

.time-selector {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--panel);
    padding: 0.6rem;
    border-radius: 14px;
    min-height: 52px;
    flex-shrink: 0;
}

.time-highlight {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    background: var(--accent-soft);
    border-radius: 10px;
    pointer-events: none;
    z-index: 0;
    transform: translate(0, 0) scaleX(1);
    transform-origin: center center;
    will-change: transform, width, height;
}

.time-btn {
    position: relative;
    z-index: 1;
    border: none;
    background: transparent;
    color: var(--subtle);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1;
    min-height: 40px;
    padding: 0 0.8rem;
    border-radius: 10px;
    cursor: pointer;
    transition: color 0.18s ease, background 0.18s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.time-btn:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

body.mode-light .time-btn:hover {
    background: rgba(0, 0, 0, 0.04);
}

.time-btn.active {
    color: var(--accent);
    background: transparent;
}

.time-btn:focus {
    outline: none;
}

.controls {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--subtle);
    font-size: 0.9rem;
}

.control-group > span {
    color: var(--hint);
    letter-spacing: 0.04em;
}

.dropdown {
    position: relative;
    min-width: 96px;
    user-select: none;
}

.dropdown-selected {
    width: 100%;
    background: var(--panel);
    color: var(--text);
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 0.45rem 1.7rem 0.45rem 0.65rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    position: relative;
    transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

body.mode-dark .dropdown-selected:hover {
    background-color: rgba(144, 143, 143, 0.148);
}

body.mode-light .dropdown-selected:hover {
    background: #dcd6c9;
}

.dropdown-selected::after {
    content: "▾";
    position: absolute;
    right: 0.65rem;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    color: var(--subtle);
    font-size: 1.3rem;
    pointer-events: none;
    transition: transform 0.2s ease, color 0.2s ease;
}

.dropdown.open .dropdown-selected::after {
    transform: translateY(-50%) rotate(180deg);
    color: var(--accent);
}

.dropdown.open .dropdown-selected,
.dropdown-selected:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--panel-hover);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.45rem);
    left: 0;
    right: 0;
    background: var(--panel);
    border-radius: 10px;
    overflow: hidden;
    z-index: 100;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    visibility: visible;
}

.dropdown-item {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text);
    font-family: inherit;
    font-size: 0.88rem;
    text-align: left;
    padding: 0.58rem 1.2rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, padding-left 0.15s ease;
}

body.mode-dark .dropdown-item:hover {
    background: #3a3d40;
    padding-left: 1.1rem;
}

body.mode-light .dropdown-item:hover {
    background: #dcd6c9;
    padding-left: 1.1rem;
}

.dropdown-item:focus {
    outline: none;
}

.dropdown-item.active {
    color: var(--accent);
    background: var(--accent-soft);
    font-weight: 600;
    position: relative;
    padding-left: 1.4rem;
}

.dropdown-item.active::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent);
    border-radius: 2px;
}

.focus-toggle {
    gap: 0.75rem;
    margin-left: 1rem;
}

.toggle {
    position: relative;
    width: 46px;
    height: 24px;
    flex-shrink: 0;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.slider {
    position: absolute;
    inset: 0;
    background: var(--panel);
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    border: 1px solid transparent;
}

.slider::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 50%;
    background: var(--subtle);
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), background 0.2s ease, box-shadow 0.2s ease;
}

.toggle input:checked + .slider {
    background: var(--accent-soft);
    border-color: rgba(255, 255, 255, 0.04);
}

.toggle input:checked + .slider::before {
    transform: translate(22px, -50%);
    background: var(--accent);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.08);
}

.toggle input:focus + .slider {
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 0.2rem;
    flex-shrink: 0;
}

.title {
    color: var(--accent);
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin: 3;
    flex-shrink: 0;
}

.snail-progress {
    flex: 1;
    position: relative;
    height: 2.2rem;
    min-width: 220px;
    max-width: 620px;
    overflow: visible;
    padding-right: 3.8rem;
}

.progress-timer {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-52%);
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 500;
    white-space: nowrap;
}

.snail-trail {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-58%);
    color: var(--accent);
    opacity: 0.7;
    font-size: 1rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
    text-align: right;
}

.snail-icon {
    position: absolute;
    left: 0;
    top: 50%;
    height: 1.8rem;
    width: auto;
    object-fit: contain;
    transform: translateY(-50%);
    transform-origin: center center;
    z-index: 3;
    will-change: transform;
}

.snail-line {
    position: absolute;
    top: 50%;
    left: 2.8rem;
    width: calc(100% - 2.8rem);
    height: 2px;
    background: var(--accent);
    opacity: 0.75;
    transform: translateY(-50%);
    z-index: 2;
}

.hint {
    margin-top: 0;
    margin-bottom: 0.15rem;
    color: var(--hint);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.text-display {
    position: relative;
    width: 100%;
    font-size: clamp(1.45rem, 2.35vw, 2rem);
    line-height: 1.65;
    letter-spacing: 0.02em;
    color: var(--subtle);
    user-select: none;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: break-word;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    margin-top: -0.35rem;
    padding-top: 0;
}

.text-track {
    position: relative;
    will-change: transform;
    transform: translateY(0);
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.text-track.no-transition {
    transition: none;
}

.char {
    position: relative;
    transition: opacity 0.15s ease, filter 0.15s ease, transform 0.18s ease;
}

.char.correct {
    color: var(--text);
}

.char.incorrect {
    color: var(--error);
    background: var(--error-bg);
}

.char.dimmed {
    opacity: 0.12;
}

.char.focus-visible {
    opacity: 1;
}

.caret {
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 2.2rem;
    background: var(--accent);
    pointer-events: none;
    transform: translate(0px, 0px);
    transition: transform 0.12s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
    z-index: 10;
}

.result-screen {
    margin-top: clamp(0.8rem, 2vh, 1.5rem);
    padding: clamp(1.2rem, 3vh, 2rem);
    background: var(--panel);
    border-radius: 12px;
    color: var(--text);
    flex-shrink: 0;
}

.result-screen h2 {
    color: var(--accent);
    margin-top: 0;
}

.result-screen p {
    font-size: 1.1rem;
    margin: 0.5rem 0;
}

.restart-box {
    margin-top: clamp(0.8rem, 2vh, 1.2rem);
    padding: 0.6rem 1.2rem;
    background: var(--panel-2);
    border-radius: 10px;

    display: inline-flex;
    align-self: flex-start;

    color: var(--accent);
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    cursor: pointer;

    transition: all 0.2s ease;
}

body.mode-dark .restart-box:hover {
    background: var(--panel-hover);
    transform: translateY(-1px);
    background-color: rgba(144, 143, 143, 0.148);
}

body.mode-light .restart-box:hover {
    background: var(--panel-hover);
    transform: translateY(-1px);
    background: #dcd6c9;
}

.restart-box:active {
    transform: translateY(0px) scale(0.98);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: grid;
    place-items: center;
    z-index: 1000;
    padding: 1rem;
}

body.mode-light .modal-overlay {
    background: rgba(40, 36, 30, 0.28);
}

.modal-card {
    width: min(420px, 90vw);
    background: var(--panel);
    color: var(--text);
    border-radius: 18px;
    padding: 1.4rem;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.modal-card h2 {
    margin: 0 0 0.5rem 0;
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 500;
}

.modal-card p {
    margin: 0 0 1rem 0;
    color: var(--subtle);
    font-size: 0.95rem;
}

.custom-number-wrap {
    position: relative;
    margin-bottom: 1rem;
    background: var(--panel-2);
    border: 1px solid var(--accent);
    border-radius: 14px;
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.custom-number-wrap:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.modal-input {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text);
    border-radius: 14px;
    padding: 0.8rem 3.1rem 0.8rem 0.9rem;
    font-family: inherit;
    font-size: 1rem;
    margin: 0;
}

.modal-input:focus {
    outline: none;
    box-shadow: none;
}

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

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

.custom-stepper {
    position: absolute;
    top: 50%;
    right: 0.55rem;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.22rem;
}

.custom-stepper button {
    border: none;
    background: var(--panel-hover);
    color: var(--accent);
    width: 1.65rem;
    height: 1rem;
    border-radius: 6px;
    font-size: 0.65rem;
    line-height: 1;
    font-family: inherit;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background 0.15s ease, transform 0.15s ease, color 0.15s ease;
    padding: 0;
}

.custom-stepper button:hover {
    background: var(--accent-soft);
}

.custom-stepper button:active {
    transform: scale(0.95);
}

.custom-stepper button:focus {
    outline: none;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.7rem;
}

.modal-btn {
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.modal-btn:hover {
    transform: translateY(-1px);
}

.modal-btn.secondary {
    background: var(--panel-2);
    color: var(--text);
}

.modal-btn.secondary:hover {
    background: var(--panel-hover);
}

.modal-btn.primary {
    background: var(--accent-soft);
    color: var(--accent);
}

@keyframes shake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
    100% { transform: translateX(0); }
}

.modal-input.shake {
    animation: shake 0.3s ease;
    border-color: var(--error);
}

.hidden {
    display: none;
}

.footer-credit {
    position: fixed;
    bottom: 10px;
    right: 14px;
    font-size: 12px;
    opacity: 0.5;
    font-family: 'Azeret Mono', monospace;
}

.footer-credit a {
    color: inherit;
    text-decoration: none;
    font-weight: bold;
}

.footer-credit a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

@media (max-width: 760px) {
    body {
        padding-top: 1.2rem;
    }

    .app {
        width: min(980px, 94vw);
        height: 94vh;
    }

    .header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .snail-progress {
        width: 100%;
        max-width: none;
    }

    .controls {
        width: 100%;
        gap: 1rem;
    }

    .control-group {
        gap: 0.5rem;
    }

    .text-display {
        font-size: clamp(1.2rem, 4vw, 1.6rem);
        line-height: 1.55;
    }
}

@media (max-height: 760px) {
    body {
        padding-top: 0.8rem;
    }

    .app {
        height: 96vh;
    }

    .top-bar {
        margin-bottom: 0.5rem;
    }

    .header-row {
        margin-bottom: 0.35rem;
    }

    .hint {
        margin-bottom: 0.35rem;
        font-size: 0.88rem;
    }

    .text-display {
        font-size: clamp(1.1rem, 2vw, 1.45rem);
        line-height: 1.5;
    }

    .result-screen {
        padding: 1rem 1.2rem;
    }
}