/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --app-bg:       #0D1117;
    --panel-bg:     #161B22;
    --panel-border: #21262D;
    --accent:       #25D366;
    --accent-hover: #1ebe5a;
    --text:         #E6EDF3;
    --text-muted:   #7D8590;
    --input-bg:     #0D1117;
    --input-border: #30363D;
    --input-focus:  #25D366;
    --danger:       #F85149;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--app-bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

/* ============================================================
   APP LAYOUT
============================================================ */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ============================================================
   CONTROLS PANEL
============================================================ */
.controls-panel {
    width: 370px;
    min-width: 370px;
    background: var(--panel-bg);
    border-right: 1px solid var(--panel-border);
    overflow-y: auto;
    padding-bottom: 32px;
    display: flex;
    flex-direction: column;
}

.controls-panel::-webkit-scrollbar { width: 6px; }
.controls-panel::-webkit-scrollbar-track { background: transparent; }
.controls-panel::-webkit-scrollbar-thumb { background: #30363D; border-radius: 3px; }

.panel-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 20px 16px;
    border-bottom: 1px solid var(--panel-border);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.3px;
    position: sticky;
    top: 0;
    background: var(--panel-bg);
    z-index: 10;
}

/* Page nav */
.page-nav {
    display: flex;
    gap: 6px;
    padding: 10px 20px;
    border-bottom: 1px solid var(--panel-border);
    background: var(--panel-bg);
    position: sticky;
    top: 61px;
    z-index: 9;
}

.page-nav-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid var(--input-border);
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: all 0.15s;
}
.page-nav-btn:hover { border-color: var(--text-muted); color: var(--text); }
.page-nav-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(37,211,102,0.08); }

/* Sections */
.ctrl-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.ctrl-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
}

/* Fields */
.ctrl-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.ctrl-field label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
}

.ctrl-field label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
}

.ctrl-field-row {
    display: flex;
    gap: 10px;
}
.ctrl-field-row .ctrl-field { flex: 1; }

/* Inputs */
input[type="text"],
input[type="time"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text);
    font-size: 13px;
    padding: 8px 10px;
    outline: none;
    font-family: inherit;
    transition: border-color 0.15s;
}
input[type="text"]:focus,
input[type="time"]:focus,
input[type="date"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus { border-color: var(--input-focus); }

input[type="checkbox"] {
    width: 15px; height: 15px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }

.textarea-wrap { position: relative; }
.char-counter {
    position: absolute;
    bottom: 8px; right: 10px;
    font-size: 11px;
    color: var(--text-muted);
    pointer-events: none;
}

.optional-tag { font-size: 10px; color: var(--text-muted); margin-left: 4px; }

/* ============================================================
   AVATAR UPLOAD
============================================================ */
.avatar-row { display: flex; gap: 14px; align-items: flex-start; }
.avatar-wrap { position: relative; flex-shrink: 0; }
.avatar-preview { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; display: block; }
.avatar-edit-btn {
    position: absolute; bottom: -2px; right: -2px;
    width: 22px; height: 22px;
    background: var(--accent); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: #fff; transition: background 0.15s;
}
.avatar-edit-btn:hover { background: var(--accent-hover); }
.avatar-fields { display: flex; flex-direction: column; gap: 10px; flex: 1; }

/* ============================================================
   MODE TOGGLE
============================================================ */
.mode-toggle { display: flex; gap: 6px; }

.mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 12px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.mode-btn:hover { border-color: var(--accent); color: var(--text); }
.mode-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(37,211,102,0.1); }

/* ============================================================
   DIRECTION TOGGLE (single message)
============================================================ */
.dir-toggle { display: flex; gap: 6px; }

.dir-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 7px 10px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}
.dir-btn:hover { border-color: var(--accent); color: var(--text); }
.dir-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(37,211,102,0.1); }

/* ============================================================
   CONVERSATION MESSAGE LIST (controls)
============================================================ */
.msg-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 420px;
    overflow-y: auto;
    padding-right: 2px;
}
.msg-list::-webkit-scrollbar { width: 4px; }
.msg-list::-webkit-scrollbar-thumb { background: #30363D; border-radius: 2px; }

.msg-ctrl-card {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 0.15s;
}
.msg-ctrl-card:hover { border-color: #555; }

.msg-ctrl-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.msg-dir-toggle { display: flex; gap: 4px; }

.msg-dir-btn {
    padding: 3px 10px;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background: transparent;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.12s;
}
.msg-dir-btn:hover { border-color: var(--accent); color: var(--text); }
.msg-dir-btn.active-them { border-color: #34B7F1; color: #34B7F1; background: rgba(52,183,241,0.1); }
.msg-dir-btn.active-me   { border-color: #25D366; color: #25D366; background: rgba(37,211,102,0.1); }

.msg-ctrl-btns { display: flex; gap: 4px; }

.msg-ctrl-btn {
    width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
    background: transparent;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.12s;
    font-family: inherit;
    line-height: 1;
}
.msg-ctrl-btn:hover { border-color: var(--text-muted); color: var(--text); }
.msg-ctrl-btn.delete-btn:hover { border-color: var(--danger); color: var(--danger); }

.msg-ctrl-textarea {
    min-height: 56px;
    max-height: 120px;
    resize: vertical;
}

.msg-ctrl-bottom {
    display: flex;
    gap: 8px;
    align-items: center;
}
.msg-ctrl-bottom input[type="time"] { max-width: 120px; }
.msg-ctrl-bottom select { flex: 1; }

.add-msg-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px;
    background: transparent;
    border: 1px dashed var(--input-border);
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}
.add-msg-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================================
   THEME & DOWNLOAD BUTTONS
============================================================ */
.theme-picker { display: flex; gap: 6px; }
.theme-btn {
    flex: 1;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 7px 10px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 12px; font-weight: 500;
    cursor: pointer; font-family: inherit;
    transition: all 0.15s;
}
.theme-btn:hover { border-color: var(--accent); color: var(--text); }
.theme-btn.active { border-color: var(--accent); color: var(--text); background: rgba(37,211,102,0.08); }
.theme-dot { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; display: inline-block; }

.download-btn {
    width: 100%;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 16px;
    background: var(--accent);
    border: none; border-radius: 50px;
    color: #fff;
    font-size: 14px; font-weight: 700;
    cursor: pointer; font-family: inherit;
    transition: background 0.15s;
}
.download-btn:hover { background: var(--accent-hover); }
.download-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.reset-btn {
    width: 100%;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--input-border);
    border-radius: 50px;
    color: var(--text-muted);
    font-size: 13px; font-weight: 500;
    cursor: pointer; font-family: inherit;
    transition: all 0.15s;
}
.reset-btn:hover { border-color: var(--text-muted); color: var(--text); }

/* ============================================================
   PREVIEW PANEL
============================================================ */
.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(37,211,102,0.06) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 20%, rgba(52,183,241,0.05) 0%, transparent 55%),
        #0D1117;
    padding: 28px 32px 48px;
    gap: 16px;
}
.preview-panel::-webkit-scrollbar { width: 6px; }
.preview-panel::-webkit-scrollbar-thumb { background: #30363D; border-radius: 3px; }

.preview-label {
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.8px;
    color: var(--text-muted);
    align-self: flex-start;
}

.preview-stage {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* Download wrapper — bg for export */
.wa-download-wrapper {
    display: inline-block;
    padding: 0;
}
.wa-download-wrapper.bg-light { background: #E5DDD5; padding: 30px; border-radius: 12px; }
.wa-download-wrapper.bg-dark  { background: #0B141A; padding: 30px; border-radius: 12px; }

/* ============================================================
   WHATSAPP SCREEN — CSS VARIABLES PER THEME
============================================================ */
.wa-screen {
    width: 380px;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.4);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* -- LIGHT THEME -- */
.wa-screen.theme-light {
    --wa-sb-bg:         #075E54;
    --wa-sb-text:       rgba(255,255,255,0.9);
    --wa-header-bg:     #075E54;
    --wa-header-text:   #FFFFFF;
    --wa-header-sub:    rgba(255,255,255,0.75);
    --wa-header-icon:   rgba(255,255,255,0.85);
    --wa-chat-bg:       #E5DDD5;
    --wa-out-bg:        #DCF8C6;
    --wa-in-bg:         #FFFFFF;
    --wa-msg-text:      #111B21;
    --wa-msg-time:      #667781;
    --wa-tick-gray:     #8696A0;
    --wa-tick-blue:     #53BDEB;
    --wa-ib-bg:         #F0F2F5;
    --wa-ib-input-bg:   #FFFFFF;
    --wa-ib-text:       #3B4A54;
    --wa-ib-icon:       #54656F;
    --wa-ib-mic-bg:     #25D366;
    --wa-divider-bg:    rgba(225,245,254,0.92);
    --wa-divider-text:  #667781;
    --wa-divider-border: rgba(0,0,0,0.1);
}

/* -- DARK THEME -- */
.wa-screen.theme-dark {
    --wa-sb-bg:         #1F2C34;
    --wa-sb-text:       #E9EDEF;
    --wa-header-bg:     #1F2C34;
    --wa-header-text:   #E9EDEF;
    --wa-header-sub:    #8696A0;
    --wa-header-icon:   #AEBAC1;
    --wa-chat-bg:       #0B141A;
    --wa-out-bg:        #005C4B;
    --wa-in-bg:         #202C33;
    --wa-msg-text:      #E9EDEF;
    --wa-msg-time:      #8696A0;
    --wa-tick-gray:     #8696A0;
    --wa-tick-blue:     #53BDEB;
    --wa-ib-bg:         #1F2C34;
    --wa-ib-input-bg:   #2A3942;
    --wa-ib-text:       #D1D7DB;
    --wa-ib-icon:       #AEBAC1;
    --wa-ib-mic-bg:     #00A884;
    --wa-divider-bg:    rgba(0,0,0,0.5);
    --wa-divider-text:  #8696A0;
    --wa-divider-border: rgba(255,255,255,0.08);
}

/* ============================================================
   STATUS BAR
============================================================ */
.wa-statusbar {
    background: var(--wa-sb-bg);
    color: var(--wa-sb-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 14px 3px;
    font-size: 11px;
    font-weight: 600;
    height: 26px;
}

.wa-sb-icons {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--wa-sb-text);
}

/* ============================================================
   HEADER
============================================================ */
.wa-header {
    background: var(--wa-header-bg);
    display: flex;
    align-items: center;
    padding: 6px 10px 6px 6px;
    gap: 8px;
    min-height: 56px;
}

.wa-back-btn {
    background: none; border: none;
    color: var(--wa-header-icon);
    cursor: pointer; padding: 6px;
    display: flex; align-items: center;
    border-radius: 50%;
    transition: background 0.15s;
}
.wa-back-btn:hover { background: rgba(255,255,255,0.1); }

.wa-header-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    cursor: pointer;
}

.wa-header-info {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.wa-contact-name-display {
    font-size: 15px;
    font-weight: 600;
    color: var(--wa-header-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wa-contact-status-display {
    font-size: 12px;
    color: var(--wa-header-sub);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wa-header-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.wa-icon-btn {
    background: none; border: none;
    color: var(--wa-header-icon);
    cursor: pointer; padding: 7px;
    display: flex; align-items: center;
    border-radius: 50%;
    transition: background 0.15s;
}
.wa-icon-btn:hover { background: rgba(255,255,255,0.1); }

/* ============================================================
   CHAT AREA
============================================================ */
.wa-chat {
    background-color: var(--wa-chat-bg);
    flex: 1;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    padding: 8px 8px 4px;
    gap: 0;
    overflow: visible;  /* full content shown; scroll is in the panel */
}

/* Date divider */
.wa-date-divider {
    display: flex;
    justify-content: center;
    margin: 8px 0 10px;
}

.wa-date-divider span {
    background: var(--wa-divider-bg);
    color: var(--wa-divider-text);
    font-size: 11.5px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--wa-divider-border);
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Messages container */
.wa-messages {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-bottom: 6px;
}

/* ============================================================
   MESSAGE ROWS & BUBBLES
============================================================ */
.wa-msg-row {
    display: flex;
    align-items: flex-end;
    max-width: 100%;
}

.wa-msg-row.outgoing {
    justify-content: flex-end;
    padding-right: 2px;
}

.wa-msg-row.incoming {
    justify-content: flex-start;
    padding-left: 2px;
}

/* Group spacing: messages from the same sender closer together */
.wa-msg-row.group-continue {
    margin-top: 1px;
}
.wa-msg-row.group-start {
    margin-top: 6px;
}
.wa-msg-row:first-child {
    margin-top: 0;
}

/* ---- BUBBLE ---- */
.wa-bubble {
    position: relative;
    max-width: 72%;
    padding: 6px 9px 4px;
    border-radius: 8px;
    word-break: break-word;
    box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

/* Outgoing bubble */
.wa-bubble.out {
    background: var(--wa-out-bg);
    border-radius: 8px 8px 2px 8px;
}

/* Outgoing tail (top-right corner) */
.wa-bubble.out.has-tail::after {
    content: '';
    position: absolute;
    top: 0;
    right: -8px;
    width: 0; height: 0;
    border-style: solid;
    border-width: 8px 0 0 9px;
    border-color: var(--wa-out-bg) transparent transparent transparent;
}

/* Incoming bubble */
.wa-bubble.in {
    background: var(--wa-in-bg);
    border-radius: 8px 8px 8px 2px;
}

/* Incoming tail (top-left corner) */
.wa-bubble.in.has-tail::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    width: 0; height: 0;
    border-style: solid;
    border-width: 8px 9px 0 0;
    border-color: transparent var(--wa-in-bg) transparent transparent;
}

/* Message text */
.wa-msg-text {
    font-size: 14.2px;
    line-height: 19px;
    color: var(--wa-msg-text);
    white-space: pre-wrap;
}

/* Footer: time + ticks */
.wa-msg-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 3px;
    margin-top: 2px;
    float: right;
    margin-left: 8px;
}

.wa-msg-time {
    font-size: 11px;
    color: var(--wa-msg-time);
    white-space: nowrap;
    line-height: 1;
}

/* Ticks */
.wa-ticks {
    display: flex;
    align-items: center;
    line-height: 1;
    margin-bottom: 1px;
}

.wa-ticks.sent      { color: var(--wa-tick-gray); }
.wa-ticks.delivered { color: var(--wa-tick-gray); }
.wa-ticks.read      { color: var(--wa-tick-blue); }

/* ============================================================
   INPUT BAR
============================================================ */
.wa-inputbar {
    background: var(--wa-ib-bg);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    min-height: 56px;
}

.wa-ib-input {
    flex: 1;
    background: var(--wa-ib-input-bg);
    border-radius: 22px;
    padding: 9px 14px;
    font-size: 14px;
    color: var(--wa-ib-text);
    opacity: 0.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wa-ib-btn {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    background: none;
    border: none;
    border-radius: 50%;
    color: var(--wa-ib-icon);
    cursor: pointer;
    transition: background 0.15s;
    flex-shrink: 0;
}
.wa-ib-btn:hover { background: rgba(128,128,128,0.1); }

.wa-ib-mic {
    background: var(--wa-ib-mic-bg) !important;
    color: #FFFFFF !important;
    width: 42px; height: 42px;
}
.wa-ib-mic:hover { opacity: 0.9; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 820px) {
    .app-layout { flex-direction: column; }
    .controls-panel { width: 100%; min-width: unset; height: auto; max-height: 45vh; }
    .preview-panel { min-height: 55vh; }
    .wa-screen { width: 340px; }
}