/* NeoCorp CTF — Cyberpunk hacker-terminal aesthetic */

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

:root {
    --bg: #0a0a0a;
    --green: #00ff41;
    --green-dim: #00b330;
    --accent: #ff6600;
    --error: #ff0040;
    --input-bg: #1a1a2e;
    --border: #00b33055;
    --font: 'Fira Code', 'Courier New', monospace;
}

html, body {
    background-color: var(--bg);
    color: var(--green);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
}

/* Scanline overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0,255,65,0.015) 2px,
        rgba(0,255,65,0.015) 4px
    );
    pointer-events: none;
    z-index: 1000;
}

a {
    color: var(--green);
    text-decoration: none;
}
a:hover {
    color: var(--accent);
    text-shadow: 0 0 8px var(--accent);
}

/* ---- Layout ---- */
.ctf-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ---- Header / Nav ---- */
.ctf-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.ctf-logo {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--green);
    text-shadow: 0 0 12px var(--green);
    letter-spacing: 2px;
}
.ctf-logo span {
    color: var(--accent);
}
.ctf-nav a {
    margin-left: 1.2rem;
    font-size: 0.85rem;
    color: var(--green-dim);
}
.ctf-nav a:hover {
    color: var(--green);
}

/* ---- Glitch title ---- */
.glitch {
    position: relative;
    display: inline-block;
    color: var(--green);
    text-shadow: 0 0 16px var(--green);
}

/* ---- Panels / Cards ---- */
.panel {
    border: 1px solid var(--border);
    background: rgba(0,179,48,0.04);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.panel-title {
    font-size: 1rem;
    color: var(--green-dim);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---- Terminal block ---- */
.terminal {
    background: #050505;
    border: 1px solid var(--green-dim);
    padding: 1rem 1.2rem;
    font-family: var(--font);
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--green);
    font-size: 0.88rem;
    max-height: 360px;
    overflow-y: auto;
}
.terminal .prompt::before {
    content: '$ ';
    color: var(--accent);
}

/* ---- Forms ---- */
.ctf-form {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    max-width: 440px;
}
.ctf-form label {
    font-size: 0.85rem;
    color: var(--green-dim);
    display: block;
    margin-bottom: 0.25rem;
}
.ctf-form input[type="text"],
.ctf-form input[type="password"],
.ctf-form input[type="email"] {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--green-dim);
    color: var(--green);
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    outline: none;
}
.ctf-form input:focus {
    border-color: var(--green);
    box-shadow: 0 0 6px var(--green-dim);
}
.ctf-btn {
    background: transparent;
    border: 1px solid var(--green);
    color: var(--green);
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    letter-spacing: 1px;
    transition: background 0.15s, box-shadow 0.15s;
    align-self: flex-start;
}
.ctf-btn:hover {
    background: rgba(0,255,65,0.1);
    box-shadow: 0 0 10px var(--green-dim);
}
.ctf-btn.danger {
    border-color: var(--error);
    color: var(--error);
}

/* ---- Alert boxes ---- */
.alert {
    padding: 0.6rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-error {
    border: 1px solid var(--error);
    color: var(--error);
    background: rgba(255,0,64,0.07);
}
.alert-success {
    border: 1px solid var(--green);
    color: var(--green);
    background: rgba(0,255,65,0.07);
}
.alert-warning {
    border: 1px solid var(--accent);
    color: var(--accent);
    background: rgba(255,102,0,0.07);
}

/* ---- Flag fragment display ---- */
.flag-fragment {
    display: inline-block;
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent);
    text-shadow: 0 0 14px var(--accent);
    letter-spacing: 3px;
    padding: 0.4rem 1rem;
    border: 1px solid var(--accent);
    margin: 0.5rem 0;
}

/* ---- Home page level grid ---- */
.level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.level-card {
    border: 1px solid var(--border);
    padding: 1.2rem;
    background: rgba(0,179,48,0.03);
    transition: border-color 0.2s, background 0.2s;
}
.level-card:hover {
    border-color: var(--green-dim);
    background: rgba(0,179,48,0.07);
}
.level-card .level-num {
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.level-card h3 {
    margin: 0.3rem 0 0.5rem;
    font-size: 1rem;
    color: var(--green);
    text-shadow: 0 0 8px var(--green-dim);
}
.level-card p {
    font-size: 0.82rem;
    color: var(--green-dim);
}
.difficulty-badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--green-dim);
    color: var(--green-dim);
    margin-top: 0.7rem;
}

/* ---- Boot sequence ---- */
.boot-text {
    font-size: 0.85rem;
    color: var(--green-dim);
    margin-bottom: 0.2rem;
}
.boot-cursor::after {
    content: '_';
    animation: blink 1s step-end infinite;
}
@keyframes blink {
    50% { opacity: 0; }
}

/* ---- Flag assembly page ---- */
.vault-door {
    text-align: center;
    margin-bottom: 2rem;
}
.keycard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.keycard {
    border: 1px solid var(--border);
    padding: 1rem;
    text-align: center;
}
.keycard label {
    display: block;
    font-size: 0.75rem;
    color: var(--green-dim);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.keycard input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--green-dim);
    color: var(--accent);
    font-family: var(--font);
    font-size: 1rem;
    padding: 0.4rem 0.5rem;
    text-align: center;
    letter-spacing: 3px;
    outline: none;
}
.keycard input:focus {
    border-color: var(--green);
}

.final-key-display {
    background: #050505;
    border: 1px solid var(--accent);
    padding: 1.2rem;
    text-align: center;
    font-size: 0.8rem;
    letter-spacing: 1px;
    word-break: break-all;
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent);
    display: none;
    margin-top: 1rem;
}

/* ---- File browser (Level 5) ---- */
.file-entry {
    padding: 0.3rem 0.5rem;
    font-size: 0.83rem;
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.12s;
    word-break: break-all;
}
.file-entry:hover  { background: rgba(0,255,65,0.07); }
.file-dir          { color: var(--accent); }
.file-file         { color: var(--green-dim); }
.file-file:hover   { color: var(--green); }
.file-active       { color: var(--green); background: rgba(0,255,65,0.05); }

/* ---- Chat log (Slack-style hint block) ---- */
.chat-log.hint::after { content: ''; } /* label is on the <p> above, not the div */
.chat-log {
    background: #050505;
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    font-size: 0.82rem;
}
.chat-header {
    color: var(--green-dim);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.4rem;
    margin-bottom: 0.6rem;
    opacity: 0.7;
}
.chat-msg {
    margin: 0.45rem 0;
    line-height: 1.5;
    color: #aaa;
}
.chat-user {
    color: var(--green);
    font-weight: bold;
    margin-right: 0.4rem;
}
.chat-msg:nth-child(even) .chat-user { color: var(--accent); }
.chat-msg:last-child .chat-user      { color: #e07; }

/* ---- Hints (blurred until clicked) ---- */
.hint {
    filter: blur(4px);
    cursor: pointer;
    user-select: none;
    transition: filter 0.3s ease;
}
.hint::after {
    content: ' [click to reveal]';
    font-size: 0.75em;
    opacity: 0.5;
}
.hint.revealed {
    filter: none;
    cursor: default;
}
.hint.revealed::after {
    content: '';
}

/* ---- Misc ---- */
.muted { color: var(--green-dim); font-size: 0.85rem; }
.accent { color: var(--accent); }
.code { font-family: var(--font); background: #111; padding: 0.1em 0.4em; }
h1, h2, h3 { font-family: var(--font); }
h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.2rem; margin-bottom: 0.75rem; color: var(--green-dim); }
hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }