/* ===================================================================
   Private WhatsApp Chat - stylesheet
   Plain CSS only. No frameworks, no build step.
   =================================================================== */

:root {
    --wa-dark-green: #075E54;
    --wa-dark-green-hover: #064A43;
    --wa-green: #25D366;
    --wa-green-hover: #1EB558;
    --wa-out-bubble: #DCF8C6;
    --wa-chat-bg: #EFEAE2;
    --white: #FFFFFF;
    --text: #111827;
    --text-muted: #667085;
    --border: #E3E7ED;
    --panel-bg: #F6F8FA;
    --danger: #B42318;
    --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.08);
    --shadow-md: 0 10px 35px rgba(17, 24, 39, 0.10);
    --header-h: 62px;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
    font-size: 15px;
    background: var(--wa-chat-bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

/* -------------------------------------------------------------------
   Top header (main page + chat page)
   ------------------------------------------------------------------- */

header {
    height: var(--header-h);
    background: var(--wa-dark-green);
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 20px;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 5;
}

header b {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

header a {
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    font-size: 14px;
    padding: 7px 12px;
    border-radius: 8px;
    white-space: nowrap;
    transition: background 0.15s ease;
}

header a:hover {
    background: rgba(255, 255, 255, 0.14);
    color: var(--white);
}

/* Push the last header action to the right edge */
header > a:last-child,
header > .settings {
    margin-left: auto;
}

/* -------------------------------------------------------------------
   Settings menu (right side of the header)
   ------------------------------------------------------------------- */

.settings {
    position: relative;
}

.settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: rgba(255, 255, 255, 0.92);
    cursor: pointer;
    transition: background 0.15s ease;
}

.settings-btn:hover,
.settings-menu.open + .settings-btn {
    background: rgba(255, 255, 255, 0.16);
    color: var(--white);
}

.settings-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 190px;
    padding: 6px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(17, 24, 39, 0.18);
    display: none;
    z-index: 40;
}

.settings-menu.open {
    display: block;
}

.settings-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    text-decoration: none;
    white-space: nowrap;
}

.settings-menu a:hover {
    background: var(--panel-bg);
    color: var(--text);
}

.settings-menu a.danger {
    color: var(--danger);
}

.settings-sep {
    height: 1px;
    margin: 6px 4px;
    background: var(--border);
}

header .subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.72);
}

header .title-block {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    min-width: 0;
}

header .title-block b,
header .title-block .subtitle {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* -------------------------------------------------------------------
   Main page: sidebar + empty panel
   ------------------------------------------------------------------- */

.layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    height: calc(100vh - var(--header-h));
    background: var(--panel-bg);
}

aside {
    background: var(--white);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 18px 16px 24px;
}

aside h3 {
    margin: 4px 0 14px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.9px;
    color: var(--text-muted);
}

/* -------------------------------------------------------------------
   Chat list: compact header, new-chat popup, per-row delete
   ------------------------------------------------------------------- */

.aside-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 4px 0 14px;
}

.aside-head h3 {
    margin: 0;
}

.add-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--wa-green);
    color: var(--white);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease;
}

.add-btn:hover {
    background: var(--wa-green-hover);
}

.contact-row {
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid var(--border);
}

.contact-row:last-of-type {
    border-bottom: 0;
}

.contact-row .contact {
    flex: 1;
    min-width: 0;
    border-bottom: 0;
}

.row-delete {
    display: flex;
    align-items: center;
}

/* Per-chat three-dot menu */
.row-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.row-menu .dots {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 18px;
    line-height: 1;
}

.row-menu .dots:hover,
.row-menu.open .dots {
    background: var(--panel-bg);
    color: var(--text);
}

.row-menu-list {
    position: absolute;
    top: calc(100% - 4px);
    right: 4px;
    min-width: 150px;
    padding: 5px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 10px 26px rgba(17, 24, 39, 0.16);
    display: none;
    z-index: 30;
}

.row-menu.open .row-menu-list {
    display: block;
}

.row-menu-list button {
    display: block;
    width: 100%;
    padding: 9px 11px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--text);
    font-family: inherit;
    font-size: 13.5px;
    text-align: left;
    cursor: pointer;
}

.row-menu-list button:hover {
    background: var(--panel-bg);
}

.row-menu-list button.danger {
    color: var(--danger);
}

.row-menu-list button.danger:hover {
    background: #FEF3F2;
}

.row-delete button,
.header-delete button {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 18px;
    line-height: 1;
}

.row-delete button:hover {
    background: #FEF3F2;
    color: var(--danger);
}

.header-delete {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.header-delete button {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.9);
    padding: 8px;
}

.header-delete button:hover {
    background: rgba(255, 255, 255, 0.16);
    color: var(--white);
}

/* When a delete button is present it takes the auto margin instead. */
header > .header-delete ~ .settings {
    margin-left: 0;
}

/* -------------------------------------------------------------------
   Modal (new chat)
   ------------------------------------------------------------------- */

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(17, 24, 39, 0.45);
    z-index: 60;
}

.modal[hidden] {
    display: none;
}

.modal-card {
    width: 400px;
    max-width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 22px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.modal-head h2 {
    margin: 0;
    font-size: 18px;
    color: var(--wa-dark-green);
}

.modal-close {
    border: 0;
    background: transparent;
    font-size: 24px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text);
}

/* -------------------------------------------------------------------
   Contacts (address book)
   ------------------------------------------------------------------- */

.search-form {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.search-form input {
    flex: 1;
    min-width: 0;
    padding: 11px 12px;
    border: 1px solid #CCD3DD;
    border-radius: 9px;
    font-family: inherit;
    font-size: 14px;
}

.search-form input:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.16);
    outline: none;
}

.search-form button {
    padding: 11px 18px;
    border: 0;
    border-radius: 9px;
    background: var(--wa-green);
    color: var(--white);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
}

.book-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.book-row:last-of-type {
    border-bottom: 0;
}

.book-row .meta {
    font-size: 13px;
    color: var(--text-muted);
}

.book-row button {
    padding: 8px 16px;
    border: 1px solid #CCD3DD;
    border-radius: 8px;
    background: var(--white);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
}

.book-row button:hover {
    border-color: var(--wa-green);
}

.new-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
    margin-bottom: 18px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.new-contact input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #CCD3DD;
    border-radius: 9px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    outline: none;
}

.new-contact input:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.16);
}

.new-contact button {
    padding: 11px 14px;
    border: 0;
    border-radius: 9px;
    background: var(--wa-green);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s ease;
}

.new-contact button:hover {
    background: var(--wa-green-hover);
}

.contact {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 12px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition: background 0.15s ease;
}

.contact:last-of-type {
    border-bottom: 0;
}

.contact:hover {
    background: var(--panel-bg);
}

.contact strong {
    font-size: 15px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact small {
    font-size: 13px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact .meta {
    font-size: 11px;
    color: var(--text-muted);
}

.contact strong {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

/* Unread count, so a message from a website visitor cannot be missed. */
.unread {
    flex: none;
    min-width: 20px;
    padding: 1px 7px;
    border-radius: 999px;
    background: var(--wa-green);
    color: var(--white);
    font-size: 11.5px;
    font-weight: 700;
    text-align: center;
}

.unread[hidden] {
    display: none;
}

.empty {
    display: grid;
    place-content: center;
    text-align: center;
    color: var(--text-muted);
    padding: 24px;
}

.empty h2 {
    margin: 0 0 8px;
    color: var(--wa-dark-green);
    font-size: 22px;
    font-weight: 600;
}

.empty p {
    margin: 0;
    font-size: 14px;
}

/* -------------------------------------------------------------------
   Chat page
   ------------------------------------------------------------------- */

.chat-wrap {
    max-width: 960px;
    height: calc(100vh - var(--header-h));
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    background: var(--wa-chat-bg);
    border-left: 1px solid rgba(17, 24, 39, 0.06);
    border-right: 1px solid rgba(17, 24, 39, 0.06);
}

/* Inside the split layout the conversation fills the right-hand pane. */
.chat-pane {
    min-width: 0;
    height: calc(100vh - var(--header-h));
    background: var(--wa-chat-bg);
}

.chat-pane .chat-wrap {
    height: 100%;
    max-width: none;
    border: 0;
}

/* Highlight the conversation currently open in the list. */
.contact-row.active {
    background: #E8F1EE;
}

.contact-row.active .contact strong {
    color: var(--wa-dark-green);
}

/* The split view keeps the list visible, so the back link is only needed
   on narrow screens where the panes stack. */
.back-link {
    display: none;
}

.messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 22px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    scroll-behavior: smooth;
}

.messages .empty-chat {
    margin: auto;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.bubble {
    max-width: 68%;
    padding: 8px 11px 6px;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    font-size: 14.5px;
    line-height: 1.45;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.bubble.in {
    align-self: flex-start;
    margin-right: auto;
    background: var(--white);
    border-top-left-radius: 3px;
}

.bubble.out {
    align-self: flex-end;
    margin-left: auto;
    background: var(--wa-out-bubble);
    border-top-right-radius: 3px;
}

.bubble small {
    display: block;
    margin-top: 3px;
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
    white-space: nowrap;
}

.composer {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: var(--panel-bg);
    border-top: 1px solid var(--border);
}

.composer input {
    flex: 1;
    min-width: 0;
    padding: 13px 15px;
    border: 1px solid #CCD3DD;
    border-radius: 22px;
    background: var(--white);
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    outline: none;
}

.composer input::placeholder {
    color: var(--text-muted);
}

.composer input:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.16);
}

.composer button {
    padding: 13px 26px;
    border: 0;
    border-radius: 22px;
    background: var(--wa-green);
    color: var(--white);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s ease;
}

.composer button:hover {
    background: var(--wa-green-hover);
}

.composer button:active {
    transform: translateY(1px);
}

/* Delivery errors from the WhatsApp Cloud API, shown above the composer */
.alerts {
    padding: 12px 12px 0;
    background: var(--panel-bg);
    border-top: 1px solid var(--border);
}

.alerts .error {
    margin-top: 0;
}

.alerts .error + .error {
    margin-top: 8px;
}

/* Token health line on the API numbers page */
.token-status {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.5;
    padding: 8px 11px;
    border-radius: 8px;
    display: none;
}

.token-status.checking,
.token-status.good,
.token-status.warn,
.token-status.bad {
    display: block;
}

.token-status.checking {
    background: var(--panel-bg);
    color: var(--text-muted);
}

.token-status.good {
    background: #E7F8EE;
    color: #067647;
}

.token-status.warn {
    background: #FFF4E5;
    color: #B54708;
}

.token-status.bad {
    background: #FEF3F2;
    color: var(--danger);
}

/* Compact template row, revealed by the Template button beside Send */
.template-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px 0;
    background: var(--panel-bg);
}

.template-row[hidden] {
    display: none;
}

.tpl-note {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    cursor: help;
}

.template-row select {
    flex: 1;
    min-width: 0;
    padding: 9px 11px;
    border: 1px solid #CCD3DD;
    border-radius: 8px;
    background: var(--white);
    font-family: inherit;
    font-size: 13px;
}

.template-row button {
    padding: 9px 18px;
    border: 0;
    border-radius: 8px;
    background: var(--wa-dark-green);
    color: var(--white);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

#tpl-toggle.active {
    border-color: var(--wa-green);
    color: var(--wa-dark-green);
}

/* 24-hour window warning + template sender */
.window-bar {
    padding: 12px;
    background: #FFF8E6;
    border-top: 1px solid #F5D98B;
}

.window-msg {
    font-size: 13px;
    line-height: 1.55;
    color: #7A5A00;
}

.template-form {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.template-form select {
    flex: 1;
    min-width: 180px;
    padding: 9px 11px;
    border: 1px solid #E0C578;
    border-radius: 8px;
    background: var(--white);
    font-family: inherit;
    font-size: 13px;
}

.template-form button {
    padding: 9px 18px;
    border: 0;
    border-radius: 8px;
    background: var(--wa-dark-green);
    color: var(--white);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.template-form button:hover {
    background: var(--wa-dark-green-hover);
}

/* Merge two conversations that belong to the same person */
.merge-bar {
    padding: 10px 12px;
    background: var(--panel-bg);
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}

.merge-bar summary {
    cursor: pointer;
    color: var(--wa-dark-green);
    font-weight: 600;
}

.merge-bar form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.merge-bar select {
    flex: 1;
    min-width: 180px;
    padding: 8px 10px;
    border: 1px solid #CCD3DD;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    background: var(--white);
}

.merge-bar button {
    padding: 8px 16px;
    border: 1px solid #CCD3DD;
    border-radius: 8px;
    background: var(--white);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
}

.merge-bar button:hover {
    background: var(--white);
    border-color: var(--wa-green);
}

/* Secondary "Receive" action - local testing only, hidden in meta mode */
.composer button.ghost {
    padding: 13px 18px;
    background: var(--white);
    color: var(--text-muted);
    border: 1px solid #CCD3DD;
    font-weight: 500;
}

.composer button.ghost:hover {
    background: var(--panel-bg);
    color: var(--text);
}

/* -------------------------------------------------------------------
   Login page
   ------------------------------------------------------------------- */

.login-page {
    min-height: 100vh;
    display: grid;
    place-content: center;
    padding: 24px;
    background: linear-gradient(160deg, #EEF3F8 0%, #E4EBF3 100%);
}

.login-card {
    width: 380px;
    max-width: 100%;
    padding: 34px 32px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.login-card h1 {
    margin: 0 0 6px;
    font-size: 24px;
    font-weight: 700;
    color: var(--wa-dark-green);
}

.login-card p {
    margin: 0 0 22px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-muted);
}

.login-card label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.login-card input {
    width: 100%;
    padding: 13px 14px;
    margin-bottom: 16px;
    border: 1px solid #CCD3DD;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    outline: none;
}

.login-card input:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.16);
}

.login-card button {
    width: 100%;
    padding: 13px;
    border: 0;
    border-radius: 10px;
    background: var(--wa-dark-green);
    color: var(--white);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s ease;
}

.login-card button:hover {
    background: var(--wa-dark-green-hover);
}

.error {
    margin-top: 16px;
    padding: 11px 13px;
    background: #FEF3F2;
    border: 1px solid #FDA29B;
    border-radius: 9px;
    color: var(--danger);
    font-size: 13.5px;
}

/* -------------------------------------------------------------------
   Multi-number support: "Send from" selector and per-message labels
   ------------------------------------------------------------------- */

.composer-wrap {
    display: flex;
    flex-direction: column;
}

.send-from {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px 0;
    background: var(--panel-bg);
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}

.send-from label {
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.send-from select {
    flex: 1;
    min-width: 0;
    padding: 9px 11px;
    border: 1px solid #CCD3DD;
    border-radius: 9px;
    background: var(--white);
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    outline: none;
}

.send-from select:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.16);
}

.send-from .hint {
    font-size: 13px;
}

.composer-wrap .composer {
    border-top: 0;
}

.bubble .via {
    font-weight: 600;
    color: var(--wa-dark-green);
}

/* -------------------------------------------------------------------
   Delivery ticks
   one grey  = sent to WhatsApp
   two grey  = delivered to their phone
   two blue  = read
   ------------------------------------------------------------------- */

.ticks {
    display: inline-flex;
    align-items: center;
    margin-left: 4px;
    vertical-align: -1px;
    color: var(--text-muted);
}

.ticks svg {
    display: block;
}

.ticks.read {
    color: #53BDEB;          /* WhatsApp blue ticks */
}

.ticks.failed {
    color: var(--danger);
    font-weight: 700;
    font-size: 12px;
    line-height: 1;
}

.ticks.pending {
    opacity: 0.7;
}

/* -------------------------------------------------------------------
   WhatsApp Numbers management page
   ------------------------------------------------------------------- */

.page {
    max-width: 860px;
    margin: 0 auto;
    padding: 22px 18px 40px;
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.card h2 {
    margin: 0 0 16px;
    font-size: 17px;
    font-weight: 600;
    color: var(--wa-dark-green);
}

.notice {
    padding: 12px 14px;
    margin-bottom: 20px;
    background: #FFF8E6;
    border: 1px solid #F5D98B;
    border-radius: 10px;
    font-size: 13.5px;
    line-height: 1.5;
    color: #7A5A00;
}

.notice code {
    background: rgba(0, 0, 0, 0.06);
    padding: 1px 5px;
    border-radius: 4px;
}

.number-form .field {
    margin-bottom: 12px;
}

.number-form label {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.number-form input,
.number-form select {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #CCD3DD;
    border-radius: 9px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    outline: none;
}

.number-form input:focus,
.number-form select:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.16);
}

.number-form button {
    margin-top: 6px;
    padding: 11px 20px;
    border: 0;
    border-radius: 9px;
    background: var(--wa-green);
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
}

.number-form button:hover {
    background: var(--wa-green-hover);
}

.number-row {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.number-row:last-of-type {
    border-bottom: 0;
}

.number-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 6px;
}

.number-head strong {
    font-size: 15px;
}

.number-head button.ghost {
    padding: 7px 14px;
    border: 1px solid #CCD3DD;
    border-radius: 8px;
    background: var(--white);
    color: var(--text-muted);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
}

.number-head button.ghost:hover {
    background: var(--panel-bg);
    color: var(--text);
}

.pill {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    vertical-align: middle;
}

.pill.on {
    background: #E7F8EE;
    color: #067647;
}

.pill.off {
    background: #F2F4F7;
    color: var(--text-muted);
}

.number-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    font-size: 13px;
    color: var(--text-muted);
}

.number-row details {
    margin-top: 12px;
}

.number-row summary {
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--wa-dark-green);
}

.number-row details .number-form {
    margin-top: 14px;
    padding: 16px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.hint {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.snippet {
    margin: 10px 0 0;
    padding: 12px 14px;
    background: #0F1B18;
    color: #D6F5E3;
    border-radius: 10px;
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: 12.5px;
    line-height: 1.55;
    overflow-x: auto;
    white-space: pre;
}

/* -------------------------------------------------------------------
   Linked-device sessions: status pills, QR linking page
   ------------------------------------------------------------------- */

.pill.warn {
    background: #FFF4E5;
    color: #B54708;
}

.warn-text {
    color: #B54708;
}

.row-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-link {
    padding: 7px 14px;
    border: 1px solid #CCD3DD;
    border-radius: 8px;
    background: var(--white);
    color: var(--wa-dark-green);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.btn-link:hover {
    background: var(--panel-bg);
}

.qr-card {
    text-align: center;
}

.qr-card h2 {
    text-align: left;
}

.qr-status {
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.qr-holder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    margin: 0 auto 18px;
    padding: 16px;
    max-width: 340px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.qr-holder img {
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
}

.qr-placeholder {
    font-size: 14px;
    color: var(--text-muted);
}

.pairing-block {
    margin: 0 auto 18px;
    padding: 16px;
    max-width: 340px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.pairing-code {
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 6px;
    color: var(--wa-dark-green);
    word-break: break-all;
}

.connected-block {
    padding: 20px;
    margin-bottom: 18px;
    background: #E7F8EE;
    border: 1px solid #A6E9C5;
    border-radius: 12px;
}

.connected-msg {
    margin: 0 0 12px;
    font-size: 15px;
    color: #067647;
}

.steps {
    max-width: 420px;
    margin: 0 auto 14px;
    text-align: left;
    padding-left: 20px;
}

.steps li {
    margin-bottom: 5px;
}

/* -------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------- */

@media (max-width: 860px) {
    .layout {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100vh - var(--header-h));
    }

    aside {
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    /* Too narrow for two panes: show the conversation alone, with the list
       one tap away via the back link. */
    .chat-pane ~ aside,
    .layout > aside:has(~ .chat-pane) {
        display: none;
    }

    .back-link {
        display: inline-block;
    }

    .chat-pane {
        height: calc(100vh - var(--header-h));
    }

    .empty {
        padding: 40px 24px;
    }

    .bubble {
        max-width: 82%;
    }
}

@media (max-width: 560px) {
    header {
        padding: 0 12px;
        gap: 10px;
    }

    header b {
        font-size: 16px;
    }

    header a {
        padding: 6px 9px;
        font-size: 13px;
    }

    aside {
        padding: 14px 12px 20px;
    }

    .messages {
        padding: 16px 12px;
    }

    .composer {
        padding: 10px;
        gap: 8px;
    }

    .composer button {
        padding: 13px 18px;
    }

    .bubble {
        max-width: 88%;
    }

    .login-card {
        padding: 26px 22px;
    }

    .send-from {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .page {
        padding: 16px 12px 32px;
    }

    .card {
        padding: 16px;
    }

    .number-head {
        flex-direction: column;
        align-items: flex-start;
    }
}