:root {
    color-scheme: light;
    --bg: #ffffff;
    --panel: #f6f7f9;
    --panel-border: #e1e5ea;
    --text: #1c1f24;
    --muted: #5c6572;
    --accent: #f0a010;
    --accent-hover: #e08f00;
    --accent-active: #cc7f00;
    --shadow: 0 10px 30px rgba(19, 27, 43, 0.08);
    --radius: 12px;
    --focus-ring: 0 0 0 3px rgba(240, 160, 16, 0.3);
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
}

body {
    margin: 0;
    padding: 24px 28px 32px;
    font: 16px/1.6 "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}

h1 {
    margin: 0 0 20px;
    font: 600 24px/1.3 "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
}

form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
}

/* Fixed-height wrapper keeps the terminal footprint stable; rows are computed from this height. */
#term-wrapper {
    height: 420px;
}

/* Terminal fills the wrapper; row count is recalculated on load/resize only. */
#term {
    height: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--panel-border);
    background: #0f141b;
    color: #f1f5f9;
    padding: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

#file-boxes {
    margin-left: 20px;
}

.file-box {
    margin: 0 0 16px;
    padding: 14px 16px 16px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: grid;
    gap: 10px;
}

.file-box strong {
    font-size: 15px;
}

#file-status {
    color: var(--muted);
    font-size: 14px;
}

input[type="text"],
input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--panel-border);
    background: #ffffff;
    color: var(--text);
    font-size: 14px;
}

input[type="text"]:focus,
input[type="file"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--focus-ring);
}

input[type="submit"],
input[type="button"] {
    padding: 10px 16px;
    border-radius: 999px;
    border: none;
    background: var(--accent);
    color: #1a1200;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.08s ease, background 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 8px 18px rgba(240, 160, 16, 0.35);
}

input[type="submit"]:hover,
input[type="button"]:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

input[type="submit"]:active,
input[type="button"]:active {
    background: var(--accent-active);
    transform: translateY(0);
}

input[type="submit"]:focus,
input[type="button"]:focus {
    outline: none;
    box-shadow: var(--focus-ring);
}

i {
    color: var(--muted);
    font-size: 13px;
}