/*
 * ═══════════════════════════════════════════════════════════
 *  DPI Alumni Association — Chat & Support Stylesheet
 *  File : assets/css/chat_support.css
 *
 *  Loaded on EVERY page via header.php.
 *  Uses the same --dpi-* token system from style.css.
 *
 *  Sections:
 *   §1  Navbar — Live Chat & Support buttons
 *   §2  Chat panel overlay (backdrop)
 *   §3  Chat slide panel shell
 *   §4  Chat panel header
 *   §5  Online members strip
 *   §6  Message feed
 *   §7  Message bubbles
 *   §8  Reactions
 *   §9  Attachment bar & preview
 *   §10 Emoji picker
 *   §11 Chat input row
 *   §12 Support modal shell
 *   §13 Support form fields
 *   §14 Urgency bar
 *   §15 Screenshot upload
 *   §16 Support modal footer
 *   §17 Responsive
 * ═══════════════════════════════════════════════════════════
 */

/* ═══════════════════════════════════════════════════
   §1  NAVBAR BUTTONS
═══════════════════════════════════════════════════ */
/* Use .dpi-navbar scope for full specificity over .dpi-navbar .nav-link */
.dpi-navbar .dpi-nav-chat-btn,
.dpi-navbar .dpi-nav-support-btn,
.dpi-nav-chat-btn,
.dpi-nav-support-btn {
    display:       inline-flex !important;
    align-items:   center !important;
    gap:           5px !important;
    padding:       .38rem .85rem !important;
    border-radius: 20px !important;
    font-size:     .82rem !important;
    font-weight:   600 !important;
    cursor:        pointer !important;
    line-height:   1 !important;
    white-space:   nowrap !important;
    transition:    background .15s, color .15s, border-color .15s !important;
    position:      relative !important;
}
/* Live Chat — green outline */
.dpi-navbar .dpi-nav-chat-btn,
.dpi-nav-chat-btn {
    color:        var(--dpi-green) !important;
    border:       1.5px solid var(--dpi-green) !important;
    background:   transparent !important;
}
.dpi-navbar .dpi-nav-chat-btn:hover,
.dpi-nav-chat-btn:hover,
.dpi-nav-chat-btn[aria-expanded="true"] {
    background: var(--dpi-green) !important;
    color:      var(--dpi-white) !important;
}
/* Support — gold filled */
.dpi-navbar .dpi-nav-support-btn,
.dpi-nav-support-btn {
    background:   var(--dpi-gold) !important;
    color:        var(--dpi-white) !important;
    border:       1.5px solid var(--dpi-gold) !important;
}
.dpi-navbar .dpi-nav-support-btn:hover,
.dpi-nav-support-btn:hover {
    background:   var(--dpi-gold-d) !important;
    border-color: var(--dpi-gold-d) !important;
    color:        var(--dpi-white) !important;
}
.dpi-nav-badge {
    position:    absolute;
    top:         -5px;
    right:       -5px;
    min-width:   18px;
    height:      18px;
    padding:     0 4px;
    border-radius: 9px;
    background:  #DC3545;
    color:       var(--dpi-white);
    font-size:   .6rem;
    font-weight: 700;
    display:     flex;
    align-items: center;
    justify-content: center;
    border:      2px solid var(--dpi-white);
    pointer-events: none;
}
@media (max-width: 991px) {
    .dpi-nav-chat-btn,
    .dpi-nav-support-btn {
        display:  inline-flex;
        margin:   6px 1rem 0;
        padding:  .5rem 1rem;
        width:    calc(100% - 2rem);
        justify-content: flex-start;
    }
}

/* ═══════════════════════════════════════════════════
   §2  OVERLAY (backdrop)
═══════════════════════════════════════════════════ */
.dpi-chat-panel-overlay {
    position:    fixed;
    inset:       0;
    background:  rgba(15,28,20,.45);
    z-index:     1040;
    opacity:     0;
    pointer-events: none;
    transition:  opacity .25s;
}
.dpi-chat-panel-overlay.active {
    opacity:        1;
    pointer-events: auto;
}

/* ═══════════════════════════════════════════════════
   §3  CHAT SLIDE PANEL SHELL
═══════════════════════════════════════════════════ */
.dpi-chat-slide-panel {
    position:       fixed;
    top:            0;
    right:          0;
    bottom:         0;
    width:          400px;
    max-width:      100vw;
    background:     var(--dpi-white);
    z-index:        1050;
    display:        flex;
    flex-direction: column;
    box-shadow:     -6px 0 40px rgba(15,28,20,.18);
}
.dpi-chat-slide-panel[hidden] { display: none !important; }
@media (max-width: 480px) { .dpi-chat-slide-panel { width: 100vw; } }

/* ═══════════════════════════════════════════════════
   §4  CHAT PANEL HEADER
═══════════════════════════════════════════════════ */
.dpi-csp-header {
    background:   var(--dpi-green);
    padding:      14px 16px;
    display:      flex;
    align-items:  center;
    justify-content: space-between;
    flex-shrink:  0;
}
.dpi-csp-header-info {
    display:     flex;
    align-items: center;
    gap:         10px;
}
.dpi-csp-online-dot {
    width:         10px;
    height:        10px;
    border-radius: 50%;
    background:    #4ADE80;
    border:        2px solid rgba(255,255,255,.4);
    flex-shrink:   0;
    animation:     pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,.5); }
    50%       { box-shadow: 0 0 0 5px rgba(74,222,128,0); }
}
.dpi-csp-header-info strong { display: block; font-size: .92rem; font-weight: 700; color: var(--dpi-white); }
.dpi-csp-header-info small  { font-size: .72rem; color: rgba(255,255,255,.7); }
.dpi-csp-header-actions     { display: flex; gap: 6px; }
.dpi-csp-icon-btn {
    width:  32px; height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,.15);
    border: none; color: var(--dpi-white);
    font-size: .9rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background .15s; flex-shrink: 0;
}
.dpi-csp-icon-btn:hover { background: rgba(255,255,255,.28); }

/* ═══════════════════════════════════════════════════
   §5  ONLINE MEMBERS STRIP
═══════════════════════════════════════════════════ */
.dpi-csp-online-strip {
    padding:       8px 14px;
    background:    rgba(26,107,58,.06);
    border-bottom: 1px solid var(--dpi-border);
    display:       flex;
    align-items:   center;
    gap:           10px;
    flex-shrink:   0;
    flex-wrap:     wrap;
}
.dpi-csp-online-label {
    font-size:  .7rem; font-weight: 600; color: var(--dpi-muted);
    white-space: nowrap; text-transform: uppercase; letter-spacing: .04em;
}
.dpi-csp-online-avatars { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.dpi-csp-av {
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--dpi-green); color: var(--dpi-white);
    font-size: .65rem; font-weight: 700;
    display: inline-flex; align-items: center; justify-content: center;
    border: 2px solid var(--dpi-white); cursor: default; flex-shrink: 0;
}
.dpi-csp-av-more { font-size: .7rem; color: var(--dpi-muted); white-space: nowrap; }
.dpi-csp-online-skeleton {
    width: 26px; height: 26px; border-radius: 50%; display: inline-block;
    background: linear-gradient(90deg, var(--dpi-border) 25%, #e8eeea 50%, var(--dpi-border) 75%);
    background-size: 200% 100%; animation: shimmer 1.2s infinite;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ═══════════════════════════════════════════════════
   §6  MESSAGE FEED
═══════════════════════════════════════════════════ */
.dpi-csp-messages {
    flex: 1; overflow-y: auto;
    padding: 14px 14px 6px;
    display: flex; flex-direction: column; gap: 12px;
    scroll-behavior: smooth; min-height: 0;
}
.dpi-csp-messages::-webkit-scrollbar { width: 4px; }
.dpi-csp-messages::-webkit-scrollbar-thumb { background: var(--dpi-border); border-radius: 2px; }
.dpi-csp-empty {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    color: var(--dpi-muted); font-size: .85rem; text-align: center;
    padding: 32px; gap: 8px;
}

/* ═══════════════════════════════════════════════════
   §7  MESSAGE BUBBLES
═══════════════════════════════════════════════════ */
.dpi-csp-msg {
    display: flex; flex-direction: column;
    align-self: flex-start; max-width: 82%; gap: 2px;
}
.dpi-csp-msg-own { align-self: flex-end; }
.dpi-csp-author {
    font-size: .65rem; font-weight: 600; color: var(--dpi-muted); padding: 0 4px;
}
.dpi-csp-msg-own .dpi-csp-author { text-align: right; }
.dpi-csp-bubble {
    background: var(--dpi-surface); border: 1px solid var(--dpi-border);
    border-radius: 14px 14px 14px 2px; padding: 9px 12px 7px;
}
.dpi-csp-msg-own .dpi-csp-bubble {
    background: var(--dpi-green); border-color: var(--dpi-green);
    border-radius: 14px 14px 2px 14px;
}
.dpi-csp-bubble p {
    font-size: .88rem; color: var(--dpi-dark); margin: 0 0 4px;
    word-break: break-word; line-height: 1.45;
}
.dpi-csp-msg-own .dpi-csp-bubble p { color: var(--dpi-white); }
.dpi-csp-msg-img {
    max-width: 100%; border-radius: 8px; display: block;
    cursor: zoom-in; margin-bottom: 4px; max-height: 240px; object-fit: cover;
}
.dpi-csp-file-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: .8rem; color: var(--dpi-green); text-decoration: none;
    background: rgba(26,107,58,.08); padding: 6px 10px;
    border-radius: 6px; margin-bottom: 4px;
}
.dpi-csp-msg-own .dpi-csp-file-link { color: rgba(255,255,255,.9); background: rgba(255,255,255,.18); }
.dpi-csp-file-link:hover { text-decoration: underline; }
.dpi-csp-bubble-footer {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 4px;
}
.dpi-csp-time { font-size: .62rem; color: var(--dpi-muted); margin-right: auto; }
.dpi-csp-msg-own .dpi-csp-time { color: rgba(255,255,255,.55); }
.dpi-csp-react-btn {
    background: none; border: none; cursor: pointer; color: var(--dpi-muted);
    padding: 2px 4px; border-radius: 4px; line-height: 1;
    transition: color .12s; font-size: .78rem;
}
.dpi-csp-react-btn:hover { color: var(--dpi-gold); }
.dpi-csp-msg-own .dpi-csp-react-btn { color: rgba(255,255,255,.5); }
.dpi-csp-msg-own .dpi-csp-react-btn:hover { color: var(--dpi-white); }

/* ═══════════════════════════════════════════════════
   §8  REACTIONS
═══════════════════════════════════════════════════ */
.dpi-csp-reactions { display: flex; flex-wrap: wrap; gap: 4px; }
.dpi-csp-reaction-chip {
    display: inline-flex; align-items: center; gap: 3px;
    background: var(--dpi-white); border: 1px solid var(--dpi-border);
    border-radius: 10px; padding: 1px 6px; font-size: .75rem;
    cursor: pointer; transition: background .12s, border-color .12s; line-height: 1.4;
}
.dpi-csp-reaction-chip:hover { background: var(--dpi-surface); border-color: var(--dpi-green); }
.dpi-csp-msg-own .dpi-csp-reaction-chip { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.3); color: var(--dpi-white); }
.dpi-csp-msg-own .dpi-csp-reaction-chip:hover { background: rgba(255,255,255,.35); }
.dpi-csp-bubble-picker {
    display: flex; gap: 4px; background: var(--dpi-white);
    border: 1px solid var(--dpi-border); border-radius: 20px;
    padding: 4px 8px; box-shadow: 0 4px 16px rgba(15,28,20,.12);
    position: relative; z-index: 10; flex-wrap: wrap; max-width: 240px;
}
.dpi-csp-bubble-picker .dpi-emoji-btn {
    background: none; border: none; font-size: 1.1rem; cursor: pointer;
    padding: 3px; border-radius: 6px; transition: transform .1s, background .12s; line-height: 1;
}
.dpi-csp-bubble-picker .dpi-emoji-btn:hover { background: var(--dpi-surface); transform: scale(1.25); }

/* ═══════════════════════════════════════════════════
   §9  ATTACHMENT BAR
═══════════════════════════════════════════════════ */
.dpi-csp-attachment-bar {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 14px; background: var(--dpi-surface);
    border-top: 1px solid var(--dpi-border); flex-shrink: 0;
}
.dpi-csp-attach-preview {
    display: flex; align-items: center; gap: 8px;
    font-size: .8rem; color: var(--dpi-dark); flex: 1; min-width: 0; overflow: hidden;
}
.dpi-csp-attach-preview img { width: 44px; height: 44px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.dpi-csp-attach-preview span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dpi-csp-attach-remove {
    background: none; border: none; color: var(--dpi-muted); font-size: .9rem;
    cursor: pointer; padding: 4px; border-radius: 4px; flex-shrink: 0; transition: color .12s;
}
.dpi-csp-attach-remove:hover { color: #DC3545; }

/* ═══════════════════════════════════════════════════
   §10  EMOJI PICKER
═══════════════════════════════════════════════════ */
.dpi-csp-emoji-picker {
    display: flex; flex-wrap: wrap; gap: 4px;
    padding: 10px 12px; background: var(--dpi-white);
    border-top: 1px solid var(--dpi-border);
    max-height: 140px; overflow-y: auto; flex-shrink: 0;
}
.dpi-csp-emoji-picker[hidden] { display: none; }
.dpi-emoji-btn {
    background: none; border: none; font-size: 1.3rem;
    cursor: pointer; padding: 4px; border-radius: 6px;
    line-height: 1; transition: transform .1s, background .1s;
}
.dpi-emoji-btn:hover { background: var(--dpi-surface); transform: scale(1.2); }

/* ═══════════════════════════════════════════════════
   §11  CHAT INPUT ROW
═══════════════════════════════════════════════════ */
.dpi-csp-input-wrap {
    display: flex; align-items: flex-end; gap: 8px;
    padding: 10px 12px; border-top: 1px solid var(--dpi-border);
    background: var(--dpi-white); flex-shrink: 0;
}
.dpi-csp-attach-btn {
    cursor: pointer; flex-shrink: 0;
    color: var(--dpi-muted) !important;
    background: var(--dpi-surface) !important;
}
.dpi-csp-attach-btn:hover { color: var(--dpi-green) !important; background: rgba(26,107,58,.1) !important; }
.dpi-csp-text-wrap { flex: 1; min-width: 0; }
.dpi-csp-input {
    min-height: 36px; max-height: 120px;
    border: 1.5px solid var(--dpi-border); border-radius: 18px;
    padding: 8px 14px; font-size: .88rem; font-family: inherit;
    color: var(--dpi-dark); outline: none; overflow-y: auto;
    word-break: break-word; line-height: 1.45; transition: border-color .15s;
}
.dpi-csp-input:focus { border-color: var(--dpi-green); }
.dpi-csp-input:empty::before { content: attr(data-placeholder); color: #B0BAB5; pointer-events: none; }
.dpi-csp-send-btn {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--dpi-green); color: var(--dpi-white); border: none;
    cursor: pointer; font-size: .88rem;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    transition: background .15s, transform .1s;
}
.dpi-csp-send-btn:hover  { background: var(--dpi-green-d); }
.dpi-csp-send-btn:active { transform: scale(.92); }
.dpi-csp-login-prompt {
    padding: 12px 14px; border-top: 1px solid var(--dpi-border);
    font-size: .85rem; color: var(--dpi-muted); text-align: center; flex-shrink: 0;
}
.dpi-csp-login-prompt a { color: var(--dpi-green); font-weight: 600; }

/* ═══════════════════════════════════════════════════
   §12  SUPPORT MODAL SHELL
═══════════════════════════════════════════════════ */
.dpi-support-modal { border: none; border-radius: 12px; overflow: hidden; }
.dpi-support-modal-header {
    background: var(--dpi-green); padding: 18px 24px; border-bottom: none;
}
.dpi-support-modal-title-wrap { display: flex; align-items: center; gap: 14px; }
.dpi-support-icon {
    width: 46px; height: 46px; border-radius: 10px;
    background: rgba(255,255,255,.18); color: var(--dpi-white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; flex-shrink: 0;
}
.dpi-support-modal-header .modal-title { font-size: 1rem; font-weight: 800; color: var(--dpi-white); margin: 0; }
.dpi-support-modal-header small { font-size: .75rem; color: rgba(255,255,255,.65); }
.dpi-support-modal-body { padding: 24px; }
.dpi-support-success {
    text-align: center; padding: 32px 20px; color: var(--dpi-green);
}
.dpi-support-success i  { color: var(--dpi-green); }
.dpi-support-success h4 { font-size: 1.2rem; font-weight: 800; margin: 12px 0 8px; color: var(--dpi-dark); }
.dpi-support-success p  { color: var(--dpi-muted); font-size: .9rem; }

/* ═══════════════════════════════════════════════════
   §13  SUPPORT FORM FIELDS
═══════════════════════════════════════════════════ */
.dpi-sup-field { display: flex; flex-direction: column; gap: 5px; }
.dpi-sup-label { font-size: .82rem; font-weight: 600; color: var(--dpi-dark); }
.dpi-sup-input-wrap { position: relative; display: flex; align-items: center; }
.dpi-sup-icon { position: absolute; left: 12px; color: var(--dpi-muted); font-size: .82rem; pointer-events: none; z-index: 1; }
.dpi-sup-input,
.dpi-sup-select,
.dpi-sup-textarea {
    width: 100%; padding: .58rem .9rem .58rem 2.5rem;
    border: 1.5px solid var(--dpi-border); border-radius: var(--dpi-radius);
    font-size: .88rem; font-family: inherit; color: var(--dpi-dark);
    background: var(--dpi-white); outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.dpi-sup-input:focus,
.dpi-sup-select:focus,
.dpi-sup-textarea:focus { border-color: var(--dpi-green); box-shadow: 0 0 0 3px rgba(26,107,58,.09); }
.dpi-sup-input::placeholder,
.dpi-sup-textarea::placeholder { color: #B0BAB5; }
.dpi-sup-select { appearance: none; cursor: pointer; }
.dpi-sup-textarea { resize: vertical; min-height: 100px; padding-top: .6rem; }
.dpi-char-count { text-align: right; font-size: .7rem; color: var(--dpi-muted); }

/* ═══════════════════════════════════════════════════
   §14  URGENCY BAR
═══════════════════════════════════════════════════ */
.dpi-urgency-bar {
    height: 5px; background: var(--dpi-border);
    border-radius: 3px; overflow: hidden; margin-top: 6px;
}
.dpi-urgency-fill {
    height: 100%; width: 0; background: var(--dpi-green);
    border-radius: 3px; transition: width .35s ease, background .25s ease;
}
.dpi-urgency-label { display: block; font-size: .72rem; color: var(--dpi-muted); margin-top: 3px; }

/* ═══════════════════════════════════════════════════
   §15  SCREENSHOT UPLOAD
═══════════════════════════════════════════════════ */
.dpi-sup-upload-label {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px; border: 2px dashed var(--dpi-border); border-radius: var(--dpi-radius);
    cursor: pointer; font-size: .85rem; color: var(--dpi-muted);
    background: var(--dpi-surface); transition: border-color .15s, color .15s, background .15s; text-align: center;
}
.dpi-sup-upload-label:hover { border-color: var(--dpi-green); color: var(--dpi-green); background: rgba(26,107,58,.04); }
.dpi-sup-img-preview {
    width: 100%; max-height: 180px; object-fit: cover;
    border-radius: var(--dpi-radius); border: 1px solid var(--dpi-border); margin-top: 8px; display: block;
}

/* ═══════════════════════════════════════════════════
   §16  SUPPORT MODAL FOOTER
═══════════════════════════════════════════════════ */
.dpi-support-modal-footer {
    padding: 16px 24px; border-top: 1px solid var(--dpi-border);
    background: var(--dpi-surface); display: flex; justify-content: flex-end; gap: 10px;
}
.dpi-btn-submit-support {
    display: inline-flex; align-items: center; gap: 6px;
    padding: .58rem 1.4rem; background: var(--dpi-green); color: var(--dpi-white);
    font-size: .9rem; font-weight: 700; border: none; border-radius: var(--dpi-radius);
    cursor: pointer; transition: background .15s;
}
.dpi-btn-submit-support:hover    { background: var(--dpi-green-d); }
.dpi-btn-submit-support:disabled { opacity: .65; cursor: not-allowed; }

/* ═══════════════════════════════════════════════════
   §17  RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 575px) {
    .dpi-support-modal-body   { padding: 16px; }
    .dpi-support-modal-footer { padding: 12px 16px; }
    .dpi-support-modal-header { padding: 14px 16px; }
    .dpi-csp-emoji-picker     { max-height: 110px; }
}