/*
 * Display-name modal overlay used for the first-load display name
 * prompt and the settings-triggered "Change display name" dialog.
 *
 * Visual language matches the existing iOS install prompt + theme
 * sidebar (gold accent on dark navy, Poppins). Hidden by default;
 * client/js/displayName.js toggles `.is-open`.
 */

#display-name-modal {
    position: fixed;
    inset: 0;
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.78);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    font-family: 'Poppins', Arial, sans-serif;
    padding: 16px;
    box-sizing: border-box;
}

#display-name-modal.is-open {
    display: flex;
    animation: dnFadeIn 0.18s ease-out;
}

@keyframes dnFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

#display-name-modal .modal-card {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(180deg, #1a1f35 0%, #0b0e1a 100%);
    border: 2px solid #d4af37;
    border-radius: 16px;
    padding: 26px 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    color: #fff;
    box-sizing: border-box;
}

#display-name-modal h2 {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 700;
    color: #d4af37;
    letter-spacing: 0.2px;
}

#display-name-modal p {
    margin: 0 0 18px;
    font-size: 13px;
    color: #ccd6f6;
    line-height: 1.45;
}

#display-name-input {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    font-family: inherit;
    color: #fff;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(212, 175, 55, 0.45);
    border-radius: 10px;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.15s, box-shadow 0.15s;
}

#display-name-input:focus {
    border-color: #d4af37;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
}

#display-name-input::placeholder {
    color: rgba(204, 214, 246, 0.4);
}

#display-name-error {
    margin-top: 10px;
    font-size: 12px;
    color: #ff6b6b;
    line-height: 1.4;
}

#display-name-modal .modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 22px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

#display-name-modal button {
    padding: 10px 18px;
    font-size: 13px;
    font-family: inherit;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.12s, opacity 0.12s, box-shadow 0.12s;
    border: 1px solid transparent;
}

#display-name-modal button:focus-visible {
    outline: 2px solid #d4af37;
    outline-offset: 2px;
}

#display-name-skip {
    background: transparent;
    color: #8892b0;
    border-color: rgba(136, 146, 176, 0.3);
}

#display-name-skip:hover {
    color: #ccd6f6;
    border-color: rgba(204, 214, 246, 0.6);
}

#display-name-confirm {
    background: linear-gradient(135deg, #d4af37, #b8962e);
    color: #000;
    box-shadow: 0 4px 14px rgba(212, 175, 55, 0.32);
}

#display-name-confirm:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(212, 175, 55, 0.42);
}

#display-name-confirm:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Settings sidebar entry for the "Change display name" link. The
   sidebar is theme-driven; we match its existing section-title
   typography. */
#display-name-section {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(212, 175, 55, 0.18);
}

#display-name-current {
    font-size: 12px;
    color: #ccd6f6;
    margin-bottom: 8px;
    word-break: break-word;
}

#display-name-current span {
    color: #d4af37;
    font-weight: 600;
}

#change-display-name-btn {
    width: 100%;
    padding: 9px 12px;
    font-size: 12px;
    font-family: 'Poppins', Arial, sans-serif;
    font-weight: 600;
    color: #d4af37;
    background: transparent;
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

#change-display-name-btn:hover {
    background: rgba(212, 175, 55, 0.12);
    color: #fff;
}