:root {
    --bg: #111317;
    --bg-glow: rgba(33, 140, 117, 0.14);
    --surface: #1b1f27;
    --surface-top: #2b313c;
    --border: rgba(255, 255, 255, 0.08);
    --text: #e7edf5;
    --muted: #98a4b5;
    --keyword: #f3ad67;
    --string: #7fd0a7;
    --caret: #64d98d;
    --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
    --mono: "SFMono-Regular", "Menlo", "Monaco", "Consolas", monospace;
    --sans: "Avenir Next", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: var(--sans);
    background:
        radial-gradient(circle at top, var(--bg-glow), transparent 30%),
        linear-gradient(180deg, #151821 0%, var(--bg) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 36px, 36px 100%;
    opacity: 0.18;
}

a {
    color: inherit;
}

.page-shell {
    width: min(980px, calc(100vw - 1.5rem));
    margin: 0 auto;
    padding: 4rem 0 3rem;
}

.intro {
    margin-bottom: 1rem;
}

.intro-label {
    margin: 0;
    font-size: 0.88rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

.terminal-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.95rem 1.1rem;
    background: linear-gradient(180deg, #343b48 0%, var(--surface-top) 100%);
}

.dot {
    width: 0.78rem;
    height: 0.78rem;
    border-radius: 999px;
    display: inline-block;
}

.dot-red {
    background: #ff6159;
}

.dot-yellow {
    background: #ffbd2f;
}

.dot-green {
    background: #28c840;
}

.terminal-title {
    margin: 0 0 0 0.4rem;
    color: #c8d1de;
    font-size: 0.92rem;
}

.terminal-screen {
    position: relative;
    padding: 1.35rem 1.35rem 1.5rem;
    font-family: var(--mono);
    font-size: 0.98rem;
    line-height: 1.9;
    min-height: 34rem;
    max-height: 70vh;
    overflow: auto;
    outline: none;
    cursor: text;
}

.terminal-card:focus-within {
    border-color: rgba(255, 255, 255, 0.12);
}

.terminal-screen p {
    margin: 0;
    overflow-wrap: anywhere;
}

.terminal-screen a {
    color: #8ec5ff;
    text-decoration: none;
}

.terminal-entry {
    padding: 0;
    border: 0;
    background: transparent;
    font: inherit;
    cursor: pointer;
}

.terminal-entry-dir {
    color: #8ec5ff;
}

.terminal-entry-file,
.terminal-entry-symlink {
    color: var(--string);
}

.terminal-indent {
    padding-left: 1.75rem;
}

.caret {
    color: var(--caret);
}

.keyword {
    color: var(--keyword);
}

.string {
    color: var(--string);
}

.hint {
    color: var(--muted);
    font-style: italic;
}

.error {
    color: #ff8f8f;
}

.prompt-line {
    position: relative;
    white-space: pre-wrap;
}

.prompt-input {
    white-space: pre-wrap;
}

.terminal-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    opacity: 0.01;
    border: 0;
    resize: none;
    overflow: hidden;
    background: transparent;
    color: transparent;
}

.cursor {
    display: inline-block;
    width: 0;
    height: 1.05em;
    vertical-align: -0.15em;
    border-left: 2px solid #f4f7fb;
    animation: blink 1s steps(1) infinite;
    margin-left: 0.08rem;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

@media (max-width: 720px) {
    .page-shell {
        width: min(100vw - 1rem, 980px);
        padding-top: 1rem;
    }

    .terminal-screen {
        font-size: 0.88rem;
        line-height: 1.75;
        padding: 1rem;
        min-height: 30rem;
    }

    .terminal-indent {
        padding-left: 1rem;
    }
}

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