/* ======================================================
   Wave Shed — Frutiger Aero / Y2K Console UI
   Full-screen aqua terminal aesthetic
   ====================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Michroma&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
    /* Frutiger Aero palette */
    --bg-top:      #011e3b;
    --bg-bot:      #008080;
    --bg-panel:    rgba(255, 255, 255, 0.1);
    --bg-input:    rgba(0, 0, 0, 0.2);

    --cyan:        #5dfdff;
    --cyan-dim:    #00b7c7;
    --cyan-glow:   rgba(93, 253, 255, 0.6);
    --green:       #52ffb8;
    --amber:       #ffc400;
    --red:         #ff4a4a;
    --white:       #f0fbff;
    --white-bright:#ffffff;
    --muted:       #8ab4f8;
    --border:      rgba(255, 255, 255, 0.2);

    --font: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-header: 'Michroma', sans-serif;
    --line-height: 1.55;
}

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

html, body {
    height: 100%;
    overflow: hidden;
    background: linear-gradient(to bottom, var(--bg-top), var(--bg-bot));
    color: var(--white);
    font-family: var(--font);
    font-size: 14px;
    line-height: var(--line-height);
    -webkit-font-smoothing: antialiased;
    cursor: default;
    position: relative;
}

/* ── Bubbles ──────────────────────────── */
#bubbles {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}
.bubble {
    position: absolute;
    bottom: -100px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.8), rgba(255,255,255,0.1) 60%, transparent 80%);
    box-shadow: inset 0 0 20px rgba(255,255,255,0.5), 0 0 10px rgba(255,255,255,0.2);
    animation: rise infinite ease-in;
}
@keyframes rise {
    0% { transform: translateY(0) scale(1) rotate(0deg); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { transform: translateY(-120vh) scale(1.5) rotate(360deg); opacity: 0; }
}

/* ── Shell layout ─────────────────────── */
#terminal {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background: rgba(0, 20, 40, 0.4);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ── Screen area ──────────────────────── */
#screen {
    flex: 1;
    padding: 16px 24px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--cyan-dim) transparent;
}

#screen::-webkit-scrollbar { width: 6px; }
#screen::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); border-radius: 3px; }

/* ── ASCII art & text ─────────────────── */
.ascii {
    white-space: pre;
    color: var(--white-bright);
    line-height: 1.15;
    font-size: 14px;
    font-family: var(--font-mono);
    letter-spacing: 2px;
}

.ascii-title {
    color: var(--white-bright);
    text-shadow: 0 0 12px var(--cyan-glow), 0 0 24px var(--cyan-glow);
    background: linear-gradient(180deg, #ffffff 0%, #aae4ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.dim { color: var(--muted); }
.cyan { color: var(--cyan); }
.green { color: var(--green); text-shadow: 0 0 8px rgba(82,255,184,0.5); }
.amber { color: var(--amber); text-shadow: 0 0 8px rgba(255,196,0,0.5); }
.red { color: var(--red); text-shadow: 0 0 8px rgba(255,74,74,0.5); }
.white { color: var(--white-bright); }
.bold { font-weight: 600; }
.underline { text-decoration: underline; text-underline-offset: 2px; }

/* ── Box drawing ──────────────────────── */
.box-line {
    color: var(--cyan-dim);
    font-family: var(--font-mono);
    user-select: none;
    opacity: 0.6;
}

/* ── Interactive elements ─────────────── */

/* Glossy Drop Buttons */
.tui-btn {
    display: inline-block;
    color: var(--white-bright);
    cursor: pointer;
    padding: 4px 14px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.05) 100%);
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.6), 0 2px 4px rgba(0,0,0,0.2);
    backdrop-filter: blur(4px);
    font-family: var(--font);
    font-weight: 600;
    font-size: 13px;
    line-height: var(--line-height);
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    user-select: none;
    outline: none;
    text-align: center;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.tui-btn:hover, .tui-btn:focus-visible {
    transform: translateY(-1px) scale(1.02);
    background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.1) 100%);
    box-shadow: inset 0 1px 2px rgba(255,255,255,0.8), 0 4px 8px rgba(0,0,0,0.3), 0 0 10px var(--cyan-glow);
    border-color: rgba(255,255,255,0.6);
}

.tui-btn:active {
    transform: translateY(1px);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
}

.tui-btn.btn-green {
    background: linear-gradient(180deg, rgba(82,255,184,0.3) 0%, rgba(82,255,184,0.1) 100%);
    border-color: rgba(82,255,184,0.5);
}
.tui-btn.btn-green:hover { box-shadow: inset 0 1px 2px rgba(255,255,255,0.8), 0 4px 8px rgba(0,0,0,0.3), 0 0 12px rgba(82,255,184,0.4); }

.tui-btn.btn-red {
    background: linear-gradient(180deg, rgba(255,74,74,0.3) 0%, rgba(255,74,74,0.1) 100%);
    border-color: rgba(255,74,74,0.5);
    color: #ffd6d6;
}
.tui-btn.btn-red:hover { box-shadow: inset 0 1px 2px rgba(255,255,255,0.8), 0 4px 8px rgba(0,0,0,0.3), 0 0 12px rgba(255,74,74,0.4); color: #fff; }

.tui-btn.btn-amber {
    background: linear-gradient(180deg, rgba(255,196,0,0.3) 0%, rgba(255,196,0,0.1) 100%);
    border-color: rgba(255,196,0,0.5);
}
.tui-btn.btn-amber:hover { box-shadow: inset 0 1px 2px rgba(255,255,255,0.8), 0 4px 8px rgba(0,0,0,0.3), 0 0 12px rgba(255,196,0,0.4); }

.tui-btn.disabled {
    opacity: 0.5;
    pointer-events: none;
    filter: grayscale(100%);
}

/* Inline inputs */
.tui-input {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    color: var(--white-bright);
    font-family: var(--font);
    font-size: 14px;
    padding: 6px 12px;
    outline: none;
    caret-color: var(--cyan);
    transition: all 0.2s;
    width: 100%;
    max-width: 42ch;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.5);
}

.tui-input:focus {
    border-color: var(--cyan);
    background: rgba(0,0,0,0.4);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.5), 0 0 8px rgba(93,253,255,0.3);
}

.tui-input::placeholder { color: var(--muted); }
.tui-input.shake { animation: shake 0.4s; border-color: var(--red); }
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* Inline select */
.tui-select {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    color: var(--white-bright);
    font-family: var(--font);
    font-size: 14px;
    padding: 6px 12px;
    outline: none;
    cursor: pointer;
    appearance: none;
    width: 100%;
    max-width: 42ch;
    transition: all 0.2s;
}
.tui-select:focus { border-color: var(--cyan); }
.tui-select option { background: #002b4d; color: var(--white); }

/* Toggle (keyboard-style) */
.tui-toggle {
    display: inline-block;
    cursor: pointer;
    font-family: var(--font);
    font-size: 14px;
    user-select: none;
    color: var(--muted);
    transition: all 0.2s;
    background: rgba(0,0,0,0.2);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
}
.tui-toggle.on { 
    color: var(--green); 
    border-color: rgba(82,255,184,0.4); 
    background: rgba(82,255,184,0.1); 
    text-shadow: 0 0 8px rgba(82,255,184,0.4);
}

/* ── Progress bar (ASCII) ─────────────── */
.progress-row { margin: 4px 0; }

/* ── REC dot ──────────────────────────── */
.rec-blink { animation: blink-rec 1s ease-in-out infinite; }
@keyframes blink-rec { 0%, 100% { opacity: 1; text-shadow: 0 0 10px var(--red); } 50% { opacity: 0.2; text-shadow: none; } }

/* ── Prompt line ──────────────────────── */
.prompt-line { display: flex; align-items: center; gap: 8px; margin: 8px 0; flex-wrap: wrap; }
.prompt-label { 
    color: var(--cyan); 
    white-space: nowrap; 
    flex-shrink: 0; 
    min-width: 14ch; 
    font-weight: 600; 
    text-transform: uppercase; 
    font-size: 11px; 
    letter-spacing: 1px;
}

/* ── Roster entry ─────────────────────── */
.roster-entry { padding: 4px 0; }

/* ── Audio Waveform ───────────────────── */
.ascii-waveform {
    font-family: var(--font-mono);
    color: var(--cyan);
    margin-left: 8px;
    font-weight: bold;
    display: inline-block;
}

/* ── Action bar ───────────────────────── */
.action-bar { display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0; }

/* ── Divider ──────────────────────────── */
.divider { 
    color: rgba(255,255,255,0.2); 
    user-select: none; 
    margin: 8px 0; 
    white-space: pre; 
    overflow: hidden; 
}

/* ── Scanline overlay (subtle) ────────── */
#terminal::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 999;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.04) 2px,
        rgba(0, 0, 0, 0.04) 4px
    );
}

/* ── Responsive ───────────────────────── */
@media (max-width: 500px) {
    html { font-size: 12px; }
    #screen { padding: 12px 16px; }
    .ascii { font-size: 10px; }
    .tui-input, .tui-select { max-width: 100%; }
}

@media (min-width: 900px) {
    html { font-size: 15px; }
}

/* ── Focus visible ────────────────────── */
:focus-visible { outline: 1px solid var(--cyan-dim); outline-offset: 1px; }

/* ── Selection ────────────────────────── */
::selection { background: rgba(93, 253, 255, 0.3); color: var(--white-bright); }