/* ==========================================================================
   Vail Seiuchy: Vail-styled skin for HB9FXW's Seiuchy CW trainer.
   Only the presentation has changed; the markup IDs and behaviour are the
   original tool's. Palette + dark aesthetic inspired by learncw.vailmorse.com.
   ========================================================================== */

:root {
    --bg:          #0a0a0a;  /* page backdrop          */
    --panel:       #1a1a1a;  /* main card              */
    --panel-2:     #2a2a2a;  /* nested panels / inputs */
    --panel-3:     #3a3a3a;  /* hover / stripes        */
    --border:      #3a3a3a;
    --border-soft: #2a2a2a;
    --text:        #e8e8e8;
    --text-dim:    #999999;
    --teal:        #00d1b2;  /* Vail primary           */
    --green:       #008866;
    --green-dk:    #006644;
    --blue:        #00aaff;
    --orange:      #ffa500;
    --red:         #ff3860;
    --radius:      0.75rem;
    --radius-sm:   0.4rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    padding: 1.5rem 1rem 3rem;
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 20% -10%, rgba(0, 209, 178, 0.10), transparent 45%),
        radial-gradient(circle at 90% 0%, rgba(0, 170, 255, 0.08), transparent 40%);
    background-repeat: no-repeat;
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.55;
}

a:link, a:visited { color: var(--teal); text-decoration: none; }
a:hover { color: var(--blue); text-decoration: underline; }

/* --- main card ----------------------------------------------------------- */
#page {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    background-color: var(--panel);
    padding: 1.75rem 1.75rem 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

/* --- masthead / brand ---------------------------------------------------- */
#masthead {
    text-align: center;
    padding-bottom: 1.25rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-soft);
}
.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.brand-name {
    margin: 0;
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    background: linear-gradient(90deg, var(--teal), var(--blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--teal);
}
.tagline {
    margin: 0.5rem auto 0;
    color: var(--text-dim);
    font-size: 0.95rem;
    width: auto;
}

/* --- headings + body text ------------------------------------------------ */
h2 {
    margin-top: 2.25rem;
    margin-bottom: 0.6rem;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--teal);
}
#about { color: var(--blue); }

p {
    text-align: left;
    width: 100%;
    margin: 0.6rem auto;
}

ul { width: 100%; padding-left: 1.25rem; }
li { margin-top: 0.6rem; }

hr {
    width: 100%;
    border: none;
    border-top: 1px solid var(--border-soft);
    margin: 2rem 0;
}

/* --- form controls ------------------------------------------------------- */
input, select, button {
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text);
}

input[type="text"], input[type="number"], select {
    padding: 0.4rem 0.55rem;
    border: 1px solid var(--border);
    background: var(--panel-2);
    border-radius: var(--radius-sm);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0, 209, 178, 0.25);
}
input[type="checkbox"] {
    width: 1.05em;
    height: 1.05em;
    vertical-align: -0.15em;
    accent-color: var(--teal);
    cursor: pointer;
}

button {
    padding: 0.45rem 1.1rem;
    margin: 0 0.15rem;
    border: 1px solid transparent;
    border-radius: 9999px;
    background: var(--teal);
    color: #05231f;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s, transform 0.05s, box-shadow 0.2s;
}
button:hover { background: #1ce0c4; box-shadow: 0 0 0 3px rgba(0, 209, 178, 0.2); }
button:active { transform: translateY(1px); }

/* secondary-style buttons */
#mute, #stop, #again, #repeat, #test {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
}
#mute:hover, #stop:hover, #again:hover, #repeat:hover, #test:hover {
    background: var(--panel-3);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.06);
}

/* --- fieldsets / settings ------------------------------------------------ */
fieldset {
    margin: 1.5rem 0;
    padding: 0.75rem 1rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.015);
}
legend {
    padding: 0 0.5rem;
    font-weight: 700;
    color: var(--teal);
}
#legendsettings { cursor: pointer; }
#legendsettings:hover { color: var(--blue); }

#settings { width: 100%; }
#categories { width: 100%; margin: 0.75rem 0 0; }

.pset { margin: 0.5rem 0; }

#freq  { width: 4.5em; }
#speed { width: 3.5em; }
#volume { width: 3.5em; }
#mygrid { width: 6em; }

.cb { margin-left: 0.9rem; margin-right: 0.15rem; }

#contest-options { display: none; margin-top: 0.6rem; }
#contest-options select { margin-bottom: 0.4rem; }
#mygridlabel { margin-right: 0.3rem; }

.jslink { font-size: 0.85rem; margin-top: 0.75rem; }

/* --- answer + score row -------------------------------------------------- */
#wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1.75rem 0;
    padding: 1rem 1.25rem;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
#danswer {
    font-size: 1.05rem;
    margin: 0;
    padding: 0;
    flex: 1 1 320px;
}
#itext {
    min-width: 9em;
    margin: 0 0.3rem;
}

.score-box {
    font-size: 1.4rem;
    font-weight: 800;
    text-align: center;
    background: var(--green-dk);
    color: var(--text);
    border: 1px solid var(--green);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    min-width: 6em;
}

/* --- log table ----------------------------------------------------------- */
#logcontainer {
    width: 100%;
    border: 1px solid var(--border);
    border-spacing: 0;
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.98rem;
    margin: 1.5rem 0 2rem;
    background-color: var(--panel-2);
    min-height: 14em;
}
th, td {
    width: 50%;
    vertical-align: bottom;
    text-align: center;
    padding: 0.4rem 0.5rem;
}
th {
    background-color: var(--green-dk);
    color: var(--text);
    font-weight: 700;
    letter-spacing: 0.03em;
}
tr:nth-child(even) { background-color: rgba(255, 255, 255, 0.03); }

.wrong-log-el          { color: var(--red); }
.correct-log-el        { color: var(--teal); }
.repeat-correct-log-el { color: var(--orange); }

.newtag {
    font-size: 0.65rem;
    color: var(--bg);
    background-color: var(--orange);
    border-radius: 3px;
    padding: 0 3px;
}

/* --- full QSO output ----------------------------------------------------- */
#fullqsodiv {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
    background-color: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    margin: 1rem 0;
    padding: 0.25rem 1rem;
    color: var(--text);
}

/* --- homage / about ------------------------------------------------------ */
.homage {
    background: linear-gradient(180deg, rgba(0, 209, 178, 0.06), rgba(0, 170, 255, 0.04));
    border: 1px solid var(--border);
    border-left: 3px solid var(--teal);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
}
.homage p { margin: 0.6rem 0; }

/* --- canvas (visual morse, if used) -------------------------------------- */
canvas {
    border: 1px solid var(--border);
    display: block;
    margin: 1rem auto;
    border-radius: var(--radius-sm);
}

/* --- footer -------------------------------------------------------------- */
#footer { margin-top: 3rem; }
.foot {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-dim);
}

/* --- responsive ---------------------------------------------------------- */
@media (max-width: 600px) {
    body { padding: 0.75rem 0.5rem 2rem; }
    #page { padding: 1.25rem 1rem 1.5rem; }
    .brand-name { font-size: 1.9rem; }
    #wrapper { flex-direction: column; align-items: stretch; }
    .score-box { width: 100%; }
}