/* ============================================
   RedFox Mail — Stylesheet
   Matches RedFox CMS design language
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;1,300&display=swap');

:root {
    --bg_h: #1d2021;
    --bg:   #282828;
    --bg_s: #32302f;
    --bg1:  #3c3836;
    --bg2:  #504945;
    --bg3:  #665c54;
    --bg4:  #7c6f64;
    --fg:   #ffffff;
    --fg1:  #ebdbb2;
    --fg2:  #e83c3b;
    --fg3:  #bdae93;
    --fg4:  #a89984;
    --nav-h: 56px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: "Open Sans", sans-serif;
    font-weight: 300;
    background: var(--bg);
    color: var(--fg);
    height: 100vh;
    overflow: hidden;
}

/* ── UTILITY ──────────────────────────────── */
.brand-red  { color: var(--fg2); }
.brand-dim  { color: var(--fg3); font-weight: 300; }

.btn-red {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 20px;
    background: var(--fg2);
    color: #fff;
    border: 1px solid var(--fg2);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    transition: background .2s;
}
.btn-red:hover { background: #c9322f; border-color: #c9322f; }

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 20px;
    background: none;
    color: var(--fg3);
    border: 1px solid var(--bg2);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: border-color .2s, color .2s;
}
.btn-outline:hover { border-color: var(--fg2); color: var(--fg2); }

.btn-block { width: 100%; justify-content: center; }

/* ── LOGIN PAGE ───────────────────────────── */
.login-page {
    overflow: auto;
    background: var(--bg_h);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-wrap {
    width: 100%;
    max-width: 420px;
    padding: 40px 20px;
    text-align: center;
}

.login-brand {
    font-size: 32px;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 32px;
    color: var(--fg);
}

.login-card {
    background: var(--bg_s);
    border: 1px solid var(--bg1);
    border-top: 3px solid var(--fg2);
    border-radius: 6px;
    padding: 36px 32px;
    text-align: left;
}

.login-card h2 {
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 24px;
    color: var(--fg1);
}

.field { margin-bottom: 18px; }

.field label {
    display: block;
    font-size: 12px;
    color: var(--fg4);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 6px;
}

.field input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg1);
    border: 1px solid var(--bg2);
    border-radius: 4px;
    color: var(--fg1);
    font-family: inherit;
    font-size: 14px;
    font-weight: 300;
    outline: none;
    transition: border-color .2s;
}
.field input:focus { border-color: var(--fg2); }

.alert-error {
    background: rgba(232, 60, 59, .15);
    border: 1px solid var(--fg2);
    border-radius: 4px;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--fg2);
    margin-bottom: 18px;
}

.login-footer {
    margin-top: 24px;
    font-size: 12px;
    color: var(--fg4);
}

/* ── APP NAV ──────────────────────────────── */
.app-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    background: var(--bg_s);
    border-bottom: 1px solid var(--fg2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
}

.nav-left  { display: flex; align-items: center; }
.nav-center{ display: flex; align-items: center; }
.nav-right { display: flex; align-items: center; gap: 14px; }

.app-brand {
    font-size: 20px;
    font-weight: 300;
    letter-spacing: .5px;
    color: var(--fg);
    padding-right: 24px;
    border-right: 1px solid var(--bg2);
    margin-right: 20px;
}

.btn-compose {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 18px;
    background: var(--fg2);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: background .2s;
}
.btn-compose:hover { background: #c9322f; }

.user-badge {
    font-size: 13px;
    color: var(--fg3);
    display: flex;
    align-items: center;
    gap: 7px;
}

.btn-logout {
    color: var(--fg4);
    font-size: 16px;
    transition: color .2s;
    text-decoration: none;
}
.btn-logout:hover { color: var(--fg2); }

/* ── THREE-PANE LAYOUT ────────────────────── */
.mail-layout {
    display: grid;
    grid-template-columns: 200px 340px 1fr;
    height: calc(100vh - var(--nav-h));
    margin-top: var(--nav-h);
    overflow: hidden;
}

/* ── FOLDER SIDEBAR ───────────────────────── */
.folder-sidebar {
    background: var(--bg_h);
    border-right: 1px solid var(--bg1);
    overflow-y: auto;
    padding: 16px 0;
}

.folder-list { list-style: none; }

.folder-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 18px;
    cursor: pointer;
    font-size: 13px;
    color: var(--fg3);
    transition: background .15s, color .15s;
    border-left: 3px solid transparent;
}
.folder-item:hover   { background: var(--bg1); color: var(--fg); }
.folder-item.active  {
    background: var(--bg1);
    color: var(--fg);
    border-left-color: var(--fg2);
}
.folder-item i { width: 16px; text-align: center; color: var(--fg4); }
.folder-item.active i { color: var(--fg2); }

.folder-badge {
    margin-left: auto;
    background: var(--fg2);
    color: #fff;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    min-width: 20px;
    text-align: center;
}

.folder-loading { padding: 20px; color: var(--fg4); font-size: 13px; }

/* ── MESSAGE LIST ─────────────────────────── */
.msg-list-pane {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--bg1);
    background: var(--bg_s);
    overflow: hidden;
}

.list-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--bg1);
    flex-shrink: 0;
}

.folder-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--fg1);
    letter-spacing: .04em;
    text-transform: uppercase;
}

.toolbar-actions { display: flex; gap: 6px; }

.icon-btn {
    background: none;
    border: none;
    color: var(--fg4);
    font-size: 14px;
    cursor: pointer;
    padding: 5px 7px;
    border-radius: 3px;
    transition: color .15s, background .15s;
}
.icon-btn:hover { color: var(--fg); background: var(--bg1); }
.icon-btn.danger:hover { color: var(--fg2); }

.msg-list { flex: 1; overflow-y: auto; }

.msg-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    column-gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--bg1);
    cursor: pointer;
    transition: background .12s;
    position: relative;
}
.msg-item:hover  { background: var(--bg1); }
.msg-item.active { background: var(--bg2); }
.msg-item.unread .msg-from { font-weight: 600; color: var(--fg); }
.msg-item.unread::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--fg2);
}

.msg-check {
    grid-row: 1 / 3;
    display: flex;
    align-items: center;
    padding-right: 4px;
}
.msg-check input[type=checkbox] {
    width: 14px; height: 14px;
    accent-color: var(--fg2);
    cursor: pointer;
}

.msg-from    { font-size: 13px; color: var(--fg3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.msg-date    { font-size: 11px; color: var(--fg4); white-space: nowrap; }
.msg-subject { grid-column: 2 / 4; font-size: 12px; color: var(--fg4); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.msg-item.unread .msg-subject { color: var(--fg3); }

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    height: 200px;
    color: var(--fg4);
    font-size: 13px;
}

.list-pager {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    border-top: 1px solid var(--bg1);
    flex-shrink: 0;
}
.pager-btn {
    background: var(--bg1);
    border: 1px solid var(--bg2);
    color: var(--fg3);
    border-radius: 3px;
    padding: 4px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: background .15s, color .15s;
}
.pager-btn:hover   { background: var(--bg2); color: var(--fg); }
.pager-btn.active  { background: var(--fg2); border-color: var(--fg2); color: #fff; }
.pager-btn:disabled{ opacity: .4; cursor: default; }

/* ── MESSAGE VIEWER ───────────────────────── */
.msg-viewer {
    background: var(--bg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.viewer-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--fg4);
    font-size: 14px;
}

.viewer-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--bg1);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.viewer-meta {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--bg1);
    flex-shrink: 0;
}

.viewer-subject {
    font-size: 20px;
    font-weight: 300;
    color: var(--fg);
    margin-bottom: 14px;
    line-height: 1.3;
}

.meta-row {
    display: flex;
    gap: 8px;
    font-size: 12px;
    margin-bottom: 4px;
    align-items: baseline;
}
.meta-label { color: var(--fg4); min-width: 50px; }
.meta-value { color: var(--fg3); }

.viewer-body {
    flex: 1;
    padding: 24px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--fg1);
    overflow-y: auto;
}

.viewer-body-html {
    background: #fff;
    color: #222;
    border-radius: 4px;
    padding: 20px;
    overflow-x: auto;
}

/* ── COMPOSE MODAL ────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.55);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 20px;
    z-index: 200;
}

.compose-window {
    width: 580px;
    max-height: calc(100vh - 100px);
    background: var(--bg_s);
    border: 1px solid var(--bg2);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
    overflow: hidden;
}

.compose-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg1);
    border-bottom: 1px solid var(--bg2);
    font-size: 13px;
    font-weight: 600;
    color: var(--fg1);
}

.modal-close {
    background: none;
    border: none;
    color: var(--fg4);
    font-size: 16px;
    cursor: pointer;
    transition: color .15s;
}
.modal-close:hover { color: var(--fg2); }

.compose-fields { border-bottom: 1px solid var(--bg1); }

.compose-row {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--bg1);
    padding: 0 14px;
}
.compose-row:last-child { border-bottom: none; }
.compose-row label {
    font-size: 12px;
    color: var(--fg4);
    min-width: 52px;
    padding: 10px 0;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.compose-row input {
    flex: 1;
    background: none;
    border: none;
    color: var(--fg1);
    font-family: inherit;
    font-size: 13px;
    font-weight: 300;
    padding: 10px 0 10px 8px;
    outline: none;
}

.compose-body {
    flex: 1;
    min-height: 240px;
    background: var(--bg);
    border: none;
    border-bottom: 1px solid var(--bg1);
    color: var(--fg1);
    font-family: inherit;
    font-size: 13px;
    font-weight: 300;
    padding: 16px;
    resize: none;
    outline: none;
    line-height: 1.7;
}

.compose-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--bg1);
}

.send-status {
    font-size: 12px;
    margin-left: 8px;
}
.send-status.ok    { color: #84a843; }
.send-status.error { color: var(--fg2); }

/* ── SCROLLBARS ───────────────────────────── */
::-webkit-scrollbar          { width: 5px; height: 5px; }
::-webkit-scrollbar-track    { background: transparent; }
::-webkit-scrollbar-thumb    { background: var(--bg2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg3); }

/* ── RESPONSIVE ───────────────────────────── */
@media (max-width: 900px) {
    .mail-layout {
        grid-template-columns: 52px 1fr;
        grid-template-rows: 1fr;
    }
    .folder-item span { display: none; }
    .folder-badge { display: none; }
    .msg-viewer { display: none; }
    .msg-viewer.open {
        display: flex;
        position: fixed;
        inset: var(--nav-h) 0 0 0;
        z-index: 50;
    }
}

/* ── INLINE REPLY ─────────────────────────── */
.inline-reply {
    border-top: 2px solid var(--bg2);
    padding: 16px;
    background: var(--bg0);
    margin-top: 8px;
}

.inline-reply-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--fg3);
}

.inline-reply-field {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--bg2);
    margin-bottom: 4px;
}

.inline-reply-field label {
    color: var(--fg4);
    font-size: 12px;
    min-width: 28px;
}

.inline-reply-field input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--fg1);
    font-size: 13px;
}

.inline-reply-body {
    width: 100%;
    min-height: 140px;
    background: var(--bg1);
    border: 1px solid var(--bg2);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--fg1);
    font-family: inherit;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
    margin: 10px 0;
    box-sizing: border-box;
}

.inline-reply-body:focus {
    outline: none;
    border-color: var(--fg3);
}

.inline-reply-footer {
    display: flex;
    align-items: center;
    gap: 10px;
}