/* ═══════════════════════════════════════════════════════════
   PRIVATE MESSAGES / DM SYSTEM
   ═══════════════════════════════════════════════════════════ */

/* Page layout */
.messages-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 80px);
}

.messages-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border, #333);
    padding-bottom: 12px;
    gap: 12px;
}

.messages-header h2 {
    margin: 0;
    font-size: 1.1em;
    letter-spacing: 0.08em;
    color: var(--accent);
}

.dm-back-btn {
    color: var(--accent);
    font-size: 1.4em;
    text-decoration: none;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.15s;
}

.dm-back-btn:hover { background: var(--bg2, #222); }

.dm-convo-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.dm-header-avatar {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    object-fit: cover;
}

.dm-header-username {
    font-weight: 600;
    font-size: 1em;
    text-decoration: none;
    color: var(--fg, #ddd);
}

.dm-header-username:hover { text-decoration: underline; }

/* Key notice banner */
.dm-key-notice {
    background: rgba(255, 200, 80, 0.15);
    border: 1px solid rgba(255, 200, 80, 0.4);
    color: #ffc850;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.88em;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.dm-key-export-inline {
    background: rgba(255, 200, 80, 0.25);
    border: 1px solid rgba(255, 200, 80, 0.5);
    color: #ffc850;
    padding: 3px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
}

.dm-key-export-inline:hover { background: rgba(255, 200, 80, 0.4); }

/* Inbox list */
.dm-inbox-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.dm-convo-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--bg2, #1a1a1a);
    border: 1px solid transparent;
    text-decoration: none;
    color: var(--fg, #ccc);
    transition: background 0.15s, border-color 0.15s;
    position: relative;
}

.dm-convo-card:hover {
    background: var(--bg3, #222);
    border-color: var(--accent);
}

.dm-convo-card.dm-convo-unread { border-color: var(--accent); }

.dm-convo-avatar {
    width: 42px;
    height: 42px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

.dm-convo-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.dm-convo-name {
    font-weight: 600;
    font-size: 0.95em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dm-convo-time {
    font-size: 0.78em;
    color: #666;
}

.dm-convo-badge {
    background: var(--accent);
    color: var(--bg, #000);
    font-size: 0.72em;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    flex-shrink: 0;
}

/* Thread */
.dm-thread {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 0;
    min-height: 200px;
    max-height: calc(100vh - 280px);
}

.dm-load-more {
    align-self: center;
    background: transparent;
    border: 1px solid #444;
    color: #888;
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.82em;
    margin-bottom: 8px;
    transition: border-color 0.15s, color 0.15s;
}

.dm-load-more:hover { border-color: var(--accent); color: var(--accent); }

/* Message bubbles */
.dm-msg {
    display: flex;
    flex-direction: column;
    max-width: 75%;
    gap: 3px;
}

.dm-msg-mine {
    align-self: flex-end;
    align-items: flex-end;
}

.dm-msg-theirs {
    align-self: flex-start;
    align-items: flex-start;
}

.dm-bubble {
    padding: 9px 13px;
    border-radius: 14px;
    font-size: 0.92em;
    line-height: 1.45;
    word-break: break-word;
    white-space: pre-wrap;
}

.dm-msg-mine .dm-bubble {
    background: var(--accent);
    color: var(--bg, #000);
    border-bottom-right-radius: 4px;
}

.dm-msg-theirs .dm-bubble {
    background: var(--bg2, #222);
    color: var(--fg, #ddd);
    border: 1px solid #333;
    border-bottom-left-radius: 4px;
}

.dm-msg-time {
    font-size: 0.72em;
    color: #555;
    padding: 0 4px;
}

.dm-unreadable {
    font-style: italic;
    opacity: 0.5;
    font-size: 0.88em;
}

/* Send form: column layout matching comment form */
.dm-send-form {
    display: flex;
    flex-direction: column;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #333;
    flex-shrink: 0;
}

.dm-input {
    width: 100%;
    background: var(--bg2, #1a1a1a);
    border: 1px solid #444;
    color: var(--fg, #ddd);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 0.92em;
    resize: none;
    min-height: 44px;
    max-height: 140px;
    font-family: inherit;
    transition: border-color 0.15s;
    line-height: 1.4;
    box-sizing: border-box;
}

.dm-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Actions bar: ☺ emoji trigger on left, Send on right */
.dm-send-form .input-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}

.dm-send-btn {
    background: var(--accent);
    color: var(--bg, #000);
    border: none;
    border-radius: 6px;
    padding: 6px 18px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.9em;
    margin-left: auto;
    transition: opacity 0.15s;
}

.dm-send-btn:hover { opacity: 0.85; }
.dm-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Emojis rendered inside DM bubbles */
.dm-bubble img.emoji {
    width: 22px;
    height: 22px;
    vertical-align: middle;
    object-fit: contain;
}

/* State messages */
.dm-loading, .dm-empty, .dm-error {
    color: #666;
    font-size: 0.9em;
    padding: 24px;
    text-align: center;
    line-height: 1.6;
}

.dm-error { color: #e06c6c; }

/* Key Manager Modal */
.dm-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 15000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.dm-modal {
    background: var(--bg, #111);
    border: 1px solid var(--accent);
    border-radius: 10px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px;
    position: relative;
}

.dm-modal h2 {
    margin: 0 0 6px;
    font-size: 1.1em;
    color: var(--accent);
}

.dm-modal-sub {
    font-size: 0.85em;
    color: #888;
    margin: 0 0 18px;
    line-height: 1.5;
}

.dm-modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    color: #888;
    font-size: 1.4em;
    cursor: pointer;
    line-height: 1;
}

.dm-modal-close:hover { color: var(--fg, #ddd); }

.dm-key-status {
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 0.85em;
    margin-bottom: 18px;
    border: 1px solid #333;
}

.dm-key-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #2a2a2a;
}

.dm-key-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.dm-key-section h3 {
    font-size: 0.9em;
    margin: 0 0 6px;
    color: var(--fg, #ccc);
}

.dm-key-section p {
    font-size: 0.82em;
    color: #777;
    margin: 0 0 10px;
    line-height: 1.5;
}

.dm-key-input {
    display: block;
    width: 100%;
    background: var(--bg2, #1a1a1a);
    border: 1px solid #444;
    color: var(--fg, #ddd);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 0.88em;
    margin-bottom: 8px;
    box-sizing: border-box;
    font-family: inherit;
}

.dm-key-input:focus { outline: none; border-color: var(--accent); }

.dm-key-btn {
    background: var(--accent);
    color: var(--bg, #000);
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.86em;
    transition: opacity 0.15s;
}

.dm-key-btn:hover { opacity: 0.85; }

.dm-key-btn-danger {
    background: #d94f4f;
    color: #fff;
}

.dm-key-danger h3 { color: #d94f4f; }

.dm-key-msg {
    font-size: 0.82em;
    margin-top: 8px;
    min-height: 18px;
}

.dm-msg-ok { color: #5cb85c; }
.dm-msg-err { color: #e06c6c; }

/* Navbar DM icon */
#nav-dm-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* Mobile */
@media (max-width: 600px) {
    .messages-page { padding: 10px; }
    .dm-msg { max-width: 90%; }
    .dm-thread { max-height: calc(100vh - 240px); }
    .dm-modal { padding: 20px; }
}