/* ============================================================
   NICKNAME MODAL - contained, fixed-size, no resize jump
   ============================================================ */
#nicknameModal .nickname-container {
    width: min(94vw, 460px);
    max-height: 90vh;              /* safety net on short screens only */
    background: var(--bg-modal);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;              /* header/footer stay put; body scrolls IF needed */
}

/* ---- Header ---- */
#nicknameModal .nickname-header {
    flex-shrink: 0;
    background: var(--header-gradient);
    padding: 1rem 1.5rem;
    text-align: center;
    color: var(--text-white);
    position: relative;
}
#nicknameModal .nickname-emoji {
    display: block;
    font-size: 1.6rem;
    margin-bottom: 0.15rem;
}
#nicknameModal .nickname-header h2 {
    font-size: 1.25rem;
    margin: 0 0 0.15rem;
    color: white;
}
#nicknameModal .nickname-header p {
    font-size: 0.82rem;
    opacity: 0.9;
    margin: 0;
}
#nicknameModal .modal-close-btn {
    position: absolute;
    top: 0.75rem;
    right: 1rem;
}

/* ---- Body (scrolls only if it must) ---- */
#nicknameModal .nickname-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 1.1rem 1.25rem;
}
#nicknameModal .nickname-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ---- Shared section labels ---- */
#nicknameModal .nickname-form > .input-group > label,
#nicknameModal .avatar-section > p,
#nicknameModal .manual-signup-fields label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 0.45rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ---- Nickname input ---- */
#nicknameModal .input-group { margin: 0; }
#nicknameModal .nickname-input {
    width: 100%;
    padding: 0.8rem 0.9rem;
    font-size: 1rem;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
#nicknameModal .nickname-input:focus {
    border-color: var(--border-purple);
    outline: none;
    box-shadow: 0 0 0 3px var(--bg-purple);
}
#nicknameModal .input-status { margin-top: 0.35rem; font-size: 0.82rem; }

#nicknameModal .nickname-taken-alert {
    display: flex; flex-direction: column; gap: var(--space-xs);
    margin-top: var(--space-sm); padding: var(--space-md);
    background: var(--bg-amber); border: 1px solid var(--border-amber);
    border-radius: var(--radius-md); text-align: left;
}
#nicknameModal .nickname-taken-title { 
    color: var(--amber); 
    font-weight: 700; 
    font-size: var(--text-md); 
}
#nicknameModal .nickname-taken-sub { 
    color: var(--text-secondary); 
    font-size: var(--text-sm); 
}

/* Danger variant - OAuth path where the typed name already has an account.
   Red instead of amber because linking demands the existing passcode, so a
   mistaken tap is costlier than the manual "pick another name" case. */
#nicknameModal .nickname-taken-alert--danger {
    background: var(--bg-red);
    border-color: var(--border-red);
}
#nicknameModal .nickname-taken-alert--danger .nickname-taken-title { color: var(--red); }

/* Make the link button read as a caution, not a plain primary continue. */
#nicknameModal #saveNicknameBtn[data-action="signin-and-link-oauth"] {
    background: var(--bg-red);
    border: 1px solid var(--border-red);
    color: var(--red);
}

/* ---- Random-name chip (sits tight under the input) ---- */
#nicknameModal .suggestions-section { margin: -0.5rem 0 0; }
#nicknameModal .chip {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background: var(--bg-option); color: var(--text-primary);
    border: 1px solid var(--border-light); border-radius: 20px;
    font-size: 0.82rem; cursor: pointer;
    transition: all 0.2s ease;
}
#nicknameModal .chip:hover {
    background: var(--purple); color: white; border-color: var(--purple);
}

/* ---- Avatar grid (smaller tiles = the big space saver) ---- */
#nicknameModal .avatar-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.4rem;
}
#nicknameModal .avatar-option {
    aspect-ratio: 1;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    cursor: pointer;
    background: var(--bg-card);
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
    display: flex; align-items: center; justify-content: center;
}
#nicknameModal .avatar-option:hover { border-color: var(--border-purple); transform: scale(1.08); }
#nicknameModal .avatar-option.active { border-color: var(--border-purple); background: var(--bg-purple); }

/* ---- Passcode + email ---- */
#nicknameModal .manual-signup-fields {
    display: flex; flex-direction: column; gap: 0.9rem;
    margin: 0; padding-top: 1rem;
    border-top: 1px solid var(--modal-line);
}
#nicknameModal .manual-signup-fields .input-group { display: flex; flex-direction: column; }
#nicknameModal .label-optional {
    text-transform: none; letter-spacing: 0; font-weight: 400;
    color: var(--text-muted); font-size: 0.72rem;
}
#nicknameModal .label-icon { margin-right: 0.3rem; }

#nicknameModal .passcode-input-wrapper { position: relative; }
#nicknameModal .passcode-input {
    text-align: center;
    letter-spacing: 0.4em;
    font-weight: 700;
    font-family: 'SF Mono', 'Monaco', monospace;
    padding-right: 6.5rem;
    text-transform: uppercase;
}
#nicknameModal .passcode-format-hint {
    position: absolute; right: 0.85rem; top: 50%;
    transform: translateY(-50%);
    font-size: 0.62rem; letter-spacing: 0.05em;
    color: var(--text-muted); font-weight: 600;
    pointer-events: none; white-space: nowrap;
}
#nicknameModal .input-hint {
    display: block; margin-top: 0.35rem;
    font-size: 0.75rem; color: var(--text-muted); line-height: 1.35;
}

/* ---- Inline error ---- */
#nicknameModal .nickname-error-box {
    display: flex; align-items: center; gap: 0.7rem;
    margin: 0.9rem 0 0; padding: 0.8rem 0.9rem;
    background: var(--bg-red); border: 1px solid var(--border-red);
    border-radius: var(--radius-md);
    animation: shake 0.5s ease;
}
#nicknameModal .nickname-error-box .error-icon { font-size: 1.3rem; flex-shrink: 0; }
#nicknameModal .nickname-error-box .error-text { font-size: 0.88rem; color: var(--red); font-weight: 500; }

/* ---- Footer action bar ---- */
#nicknameModal .nickname-actions {
    flex-shrink: 0;
    display: flex;
    gap: 0.6rem;
    padding: 0.9rem 0 0;
}

#nicknameModal .btn { flex: 1; }
@media (max-width: 380px) {
    #nicknameModal .nickname-actions { flex-direction: column; }
}

/* ---- Cascade: hide stage-2 content until nickname confirmed ---- */
#nicknameModal .stage-reveal {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: max-height 0.35s ease, opacity 0.3s ease, transform 0.3s ease, margin 0.35s ease;
}
/* avatar + manual fields live inside .nickname-form; actions sits outside */
#nicknameModal .nickname-form.stage-2 .stage-reveal,
#nicknameModal .nickname-actions.stage-2-actions {
    max-height: 600px;   /* generous cap; content is well under this */
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
/* collapse the gap the hidden blocks would otherwise leave */
#nicknameModal .nickname-form:not(.stage-2) { gap: 0; }
#nicknameModal .nickname-form:not(.stage-2) .suggestions-section { margin-top: 0.75rem; }

/* Taken-name branch forces the actions bar open independently of the
   cascade, so setStage(1) on keystrokes can't collapse it. */
#nicknameModal .nickname-actions.force-show {
    max-height: 600px;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}