/* Mobile Claude Code — dark terminal theme */

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

:root {
    --bg: #0d1117;
    --bg-raised: #161b22;
    --bg-hover: #1c2128;
    --border: #30363d;
    --text: #c9d1d9;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --success: #3fb950;
    --error: #f85149;
    --warning: #d29922;
    --tab-active: #0d1117;
    --tab-inactive: #161b22;
    --radius: 6px;
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
    touch-action: manipulation;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100%;
    height: 100dvh; /* dynamic viewport height for mobile */
}

/* ── Tab bar ─────────────────────────────────────────────────────── */

#tab-bar {
    display: flex;
    align-items: center;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
    min-height: 40px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
}

.tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--tab-inactive);
    border-right: 1px solid var(--border);
    cursor: pointer;
    white-space: nowrap;
    font-size: 13px;
    color: var(--text-muted);
    transition: background 0.15s, color 0.15s;
    user-select: none;
    -webkit-user-select: none;
}

.tab:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.tab.active {
    background: var(--tab-active);
    color: var(--text);
    border-bottom: 2px solid var(--accent);
}

.tab-label {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tab-close {
    font-size: 16px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 2px;
}

.tab-close:hover {
    color: var(--error);
}

#new-tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    padding: 6px 14px;
    cursor: pointer;
    flex-shrink: 0;
}

#new-tab-btn:hover {
    color: var(--accent);
}

/* ── Main content ────────────────────────────────────────────────── */

#main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* ── Connect form ────────────────────────────────────────────────── */

#connect-form {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 24px;
}

.connect-inner {
    text-align: center;
    max-width: 360px;
    width: 100%;
}

.connect-inner h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.subtitle {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 28px;
}

#code-input {
    display: block;
    width: 100%;
    padding: 14px 16px;
    font-size: 24px;
    font-family: "Cascadia Code", "Fira Code", Menlo, Monaco, monospace;
    text-align: center;
    letter-spacing: 6px;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    outline: none;
    transition: border-color 0.15s;
}

#code-input:focus {
    border-color: var(--accent);
}

#code-input::placeholder {
    color: var(--text-muted);
    opacity: 0.4;
    letter-spacing: 6px;
}

#connect-btn {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.15s;
}

#connect-btn:hover {
    background: var(--accent-hover);
}

#connect-btn:active {
    transform: scale(0.98);
}

.status {
    margin-top: 12px;
    font-size: 14px;
    min-height: 20px;
}

.status.success { color: var(--success); }
.status.error   { color: var(--error); }
.status.info    { color: var(--accent); }
.status.warning { color: var(--warning); }

/* ── Terminal area ───────────────────────────────────────────────── */

#terminal-area {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.terminal-wrapper {
    flex: 1;
    display: flex;
    overflow: hidden;
    padding: 4px;
}

.terminal-wrapper .xterm {
    height: 100%;
}

.terminal-wrapper .xterm-viewport {
    overflow-y: auto !important;
}

/* ── Shortcut bar ────────────────────────────────────────────────── */

#shortcut-bar {
    display: none;
    align-items: center;
    gap: 4px;
    padding: 6px 8px;
    background: var(--bg-raised);
    border-top: 1px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
}

.shortcut-btn {
    flex-shrink: 0;
    padding: 8px 12px;
    min-width: 44px;
    min-height: 36px;
    font-size: 13px;
    font-family: "Cascadia Code", "Fira Code", Menlo, monospace;
    font-weight: 600;
    background: var(--bg-hover);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    transition: background 0.1s, color 0.1s;
}

.scroll-bottom-btn {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-size: 16px;
    margin-left: auto;
}

.shortcut-btn:hover {
    background: var(--border);
    color: var(--text);
}

.shortcut-btn:active {
    background: var(--accent);
    color: #fff;
}

/* ── Responsive ──────────────────────────────────────────────────── */

@media (max-width: 480px) {
    .connect-inner h1 {
        font-size: 24px;
    }

    #code-input {
        font-size: 20px;
        letter-spacing: 4px;
    }

    .shortcut-btn {
        padding: 8px 10px;
        min-width: 40px;
        font-size: 12px;
    }
}

/* ── Scrollbar styling ───────────────────────────────────────────── */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}