/* Auth body override */
body.auth-body {
    overflow: auto;
    display: block;
}

/* ── Center wrapper ──────────────────────────────────────── */
.auth-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 32px 16px;
    gap: 20px;
    position: relative;
    z-index: 2;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    animation: wta .5s cubic-bezier(.34,1.4,.64,1) both;
}

/* ── Auth Card ───────────────────────────────────────────── */
.auth-card {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(158deg, rgba(255,255,255,.11) 0%, rgba(255,255,255,.06) 50%, rgba(255,255,255,.04) 100%);
    backdrop-filter: blur(56px) saturate(185%);
    -webkit-backdrop-filter: blur(56px) saturate(185%);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 22px;
    box-shadow: 0 8px 40px rgba(0,0,0,.35), 0 40px 80px rgba(0,0,0,.25),
    inset 0 1px 0 rgba(255,255,255,.22);
    overflow: hidden;
    animation: wta .6s cubic-bezier(.34,1.4,.64,1) .1s both;
}

/* ── Tabs ────────────────────────────────────────────────── */
.auth-tabs {
    display: flex;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.auth-tab {
    flex: 1;
    padding: 16px;
    background: none;
    border: none;
    color: var(--t2);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all .2s;
    position: relative;
}
.auth-tab::after {
    content: '';
    position: absolute;
    bottom: 0; left: 20%; right: 20%;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
    opacity: 0;
    transition: opacity .2s;
}
.auth-tab.active { color: var(--t1); }
.auth-tab.active::after { opacity: 1; }
.auth-tab:hover { color: var(--t1); background: rgba(255,255,255,.04); }

/* ── Form ────────────────────────────────────────────────── */
.auth-form { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.auth-form.hidden { display: none; }

.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-field label { font-size: 12px; color: var(--t2); font-weight: 500; letter-spacing: .02em; }
.auth-field input {
    width: 100%;
    padding: 11px 14px;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 12px;
    color: var(--t1);
    font-family: var(--font);
    font-size: 15px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.auth-field input::placeholder { color: var(--t3); }
.auth-field input:focus {
    border-color: rgba(var(--ar),.5);
    box-shadow: 0 0 0 3px rgba(var(--ar),.12);
}

.auth-error {
    font-size: 13px;
    color: var(--danger);
    min-height: 18px;
    animation: wta .3s ease both;
}
.auth-success {
    font-size: 13px;
    color: var(--success);
    min-height: 18px;
}

.auth-btn {
    width: 100%;
    padding: 13px;
    border-radius: 13px;
    background: linear-gradient(135deg, rgba(var(--ar),.3), rgba(103,232,249,.2));
    border: 1px solid rgba(var(--ar),.3);
    color: var(--t1);
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    box-shadow: 0 2px 12px rgba(var(--ar),.2), inset 0 1px 0 rgba(255,255,255,.1);
}
.auth-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(var(--ar),.45), rgba(103,232,249,.3));
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(var(--ar),.3);
}
.auth-btn:active:not(:disabled) { transform: scale(.98); }
.auth-btn:disabled { opacity: .6; cursor: default; }

.auth-footer {
    font-size: 12px;
    color: var(--t3);
    animation: wta .6s ease .3s both;
}

/* ── Settings page ───────────────────────────────────────── */
.settings-wrap {
    max-width: 600px;
    margin: 0 auto;
    padding: 32px 16px 60px;
    position: relative;
    z-index: 2;
}
.settings-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.sn-back {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--t2);
    text-decoration: none;
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.05);
    transition: all .2s;
}
.sn-back svg { width: 14px; height: 14px; }
.sn-back:hover { background: rgba(255,255,255,.1); color: var(--t1); }
.sn-title { font-size: 18px; font-weight: 600; }

.settings-card {
    background: linear-gradient(158deg, rgba(255,255,255,.1) 0%, rgba(255,255,255,.05) 100%);
    backdrop-filter: blur(40px);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.18);
}
.sc-section { padding: 22px 24px; }
.sc-label { font-size: 11px; font-weight: 600; letter-spacing: .08em; color: var(--t3); text-transform: uppercase; margin-bottom: 14px; }
.sc-avatar { display: flex; align-items: center; gap: 16px; }
.sc-divider { height: 1px; background: rgba(255,255,255,.07); }

/* ── Modals ──────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
    opacity: 0; pointer-events: none;
    transition: opacity .25s;
}
.modal-backdrop.show { opacity: 1; pointer-events: all; }

.modal-box {
    width: 100%; max-width: 480px;
    background: linear-gradient(158deg, rgba(30,22,50,.96) 0%, rgba(15,10,30,.98) 100%);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 20px;
    box-shadow: 0 24px 80px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.18);
    overflow: hidden;
    transform: translateY(20px) scale(.97);
    transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.modal-backdrop.show .modal-box { transform: translateY(0) scale(1); }

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    background: rgba(255,255,255,.03);
}
.modal-title {
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; font-weight: 600; color: var(--t1);
}
.modal-title svg { width: 15px; height: 15px; color: var(--accent); }
.modal-close {
    width: 28px; height: 28px; border-radius: 8px;
    border: 1px solid rgba(255,255,255,.1);
    background: rgba(255,255,255,.05);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    color: var(--t2); transition: all .15s;
}
.modal-close:hover { background: rgba(255,255,255,.12); color: var(--t1); }
.modal-body { padding: 20px; }

/* Share modal styles */
.share-toggle-row {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 14px 16px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 14px;
}
.share-toggle-label { font-size: 14px; font-weight: 500; margin-bottom: 3px; }
.share-toggle-sub   { font-size: 12px; color: var(--t3); }

.toggle-btn {
    width: 44px; height: 26px; border-radius: 13px; flex-shrink: 0;
    background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12);
    cursor: pointer; position: relative; transition: all .25s;
}
.toggle-btn.on { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 14px rgba(var(--ar),.4); }
.toggle-knob {
    position: absolute; top: 3px; left: 3px;
    width: 18px; height: 18px; border-radius: 50%;
    background: rgba(255,255,255,.7); transition: all .25s;
}
.toggle-btn.on .toggle-knob { left: 21px; background: #fff; }

.share-link-row { margin-top: 12px; }
.share-link-box {
    display: flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(74,222,128,.25);
    border-radius: 12px; padding: 10px 14px; overflow: hidden;
}
.share-link-text {
    flex: 1; font-family: var(--mono); font-size: 12px;
    color: var(--success); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.share-copy-btn {
    flex-shrink: 0; padding: 6px 12px; border-radius: 8px;
    background: rgba(74,222,128,.15); border: 1px solid rgba(74,222,128,.25);
    color: var(--success); font-size: 12px; font-weight: 500; font-family: var(--font);
    cursor: pointer; transition: all .15s; white-space: nowrap;
}
.share-copy-btn:hover { background: rgba(74,222,128,.25); }
.share-link-hint { font-size: 11px; color: var(--t3); margin-top: 8px; }

/* Chat settings content */
.cs-stat-row {
    display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap;
}
.cs-stat {
    flex: 1; min-width: 100px;
    background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px; padding: 12px 14px;
    display: flex; flex-direction: column; gap: 4px;
}
.cs-stat-val { font-size: 22px; font-weight: 700; color: var(--accent); }
.cs-stat-lbl { font-size: 11px; color: var(--t3); }
.cs-file-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.cs-file {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07); border-radius: 10px;
    font-size: 13px; color: var(--t2);
}
.cs-file svg { width: 13px; height: 13px; color: var(--t3); flex-shrink: 0; }
.cs-section-label { font-size: 11px; font-weight: 600; color: var(--t3); letter-spacing: .07em; text-transform: uppercase; margin: 14px 0 8px; }
.cs-delete-btn {
    width: 100%; margin-top: 16px; padding: 11px;
    background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.25);
    color: var(--danger); border-radius: 12px; cursor: pointer; font-family: var(--font); font-size: 14px; font-weight: 500;
    transition: all .2s;
}
.cs-delete-btn:hover { background: rgba(248,113,113,.2); }
.cs-loading { text-align: center; padding: 30px; color: var(--t3); }

/* Rename input */
.rename-inp {
    width: 100%; padding: 12px 14px;
    background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
    border-radius: 12px; color: var(--t1); font-family: var(--font); font-size: 15px; outline: none;
}
.rename-inp:focus { border-color: rgba(var(--ar),.5); box-shadow: 0 0 0 3px rgba(var(--ar),.12); }

/* ── User mini menu ──────────────────────────────────────── */
.umenu {
    position: fixed; z-index: 300;
    width: 200px;
    background: linear-gradient(158deg, rgba(30,22,50,.97) 0%, rgba(15,10,30,.99) 100%);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.12);
    padding: 6px;
    opacity: 0; pointer-events: none; transform: scale(.95) translateY(6px);
    transition: all .2s cubic-bezier(.34,1.56,.64,1);
}
.umenu.show { opacity: 1; pointer-events: all; transform: scale(1) translateY(0); }
.umenu-item {
    display: flex; align-items: center; gap: 9px;
    padding: 10px 12px; border-radius: 9px; cursor: pointer;
    font-size: 13px; color: var(--t2); transition: all .15s;
}
.umenu-item svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--t3); }
.umenu-item:hover { background: rgba(255,255,255,.07); color: var(--t1); }
.umenu-item:hover svg { color: var(--t2); }
.umenu-item.danger { color: var(--danger); }
.umenu-item.danger svg { color: var(--danger); }
.umenu-item.danger:hover { background: rgba(248,113,113,.1); }
.umenu-divider { height: 1px; background: rgba(255,255,255,.07); margin: 4px 0; }

/* ── Chat actions in sidebar ─────────────────────────────── */
.ci { position: relative; }
.ci-actions {
    display: none; align-items: center; gap: 2px;
    position: absolute; right: 32px; top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(90deg, transparent, rgba(10,5,20,.9) 20%);
    padding-left: 20px;
}
.ci:hover .ci-actions { display: flex; }
.ci-act-btn {
    width: 22px; height: 22px; border-radius: 6px; border: none;
    background: rgba(255,255,255,.07); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--t3); transition: all .15s;
}
.ci-act-btn svg { width: 11px; height: 11px; }
.ci-act-btn:hover { background: rgba(255,255,255,.14); color: var(--t2); }
.ci-act-btn.danger:hover { background: rgba(248,113,113,.2); color: var(--danger); }

.cl-empty {
    text-align: center; padding: 30px 16px;
    font-size: 13px; color: var(--t3);
}
.sb-lbl { display: flex; align-items: center; gap: 5px; }
.sb-lbl svg { width: 10px; height: 10px; }

/* Header rename button */
.hdr-rename-btn {
    width: 26px; height: 26px; border-radius: 8px; border: none;
    background: transparent; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--t3); transition: all .15s; margin-left: 2px;
}
.hdr-rename-btn svg { width: 13px; height: 13px; }
.hdr-rename-btn:hover { background: rgba(255,255,255,.08); color: var(--t2); }

/* Message action buttons (hover) */
.msg-actions {
    display: none;
    gap: 4px;
    position: absolute;
    bottom: -26px; right: 0;
    z-index: 5;
}
.bbl:hover .msg-actions { display: flex; }
.msg-act {
    display: flex; align-items: center; gap: 4px;
    padding: 4px 8px; border-radius: 7px; border: none;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.1);
    color: var(--t3); font-size: 11px; font-family: var(--font); cursor: pointer;
    transition: all .15s; white-space: nowrap;
}
.msg-act svg { width: 11px; height: 11px; flex-shrink: 0; }
.msg-act:hover { background: rgba(255,255,255,.14); color: var(--t2); }
.bbl { position: relative; padding-bottom: 10px; }

/* Share button green state */
.ibt.share-active { background: rgba(74,222,128,.15); border-color: rgba(74,222,128,.35); color: var(--success); }
.ibt.share-active:hover { background: rgba(74,222,128,.25); }

/* Stop button state */
.sndb.stop-mode { background: rgba(248,113,113,.15); border-color: rgba(248,113,113,.3); color: var(--danger); }
.sndb.stop-mode svg { display: none; }
.sndb.stop-mode::after { content: '⏹'; font-size: 12px; }

/* Edit message overlay */
.edit-msg-wrap {
    background: rgba(var(--ar),.1); border: 1px solid rgba(var(--ar),.25);
    border-radius: 20px 20px 4px 20px; padding: 12px 14px;
    display: flex; flex-direction: column; gap: 8px; max-width: 68%;
    margin-left: auto;
}
.edit-msg-ta {
    width: 100%; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
    border-radius: 10px; padding: 8px 12px; color: var(--t1); font-family: var(--font);
    font-size: 14px; outline: none; resize: none; min-height: 60px;
}
.edit-msg-ta:focus { border-color: rgba(var(--ar),.5); }
.edit-actions { display: flex; gap: 6px; justify-content: flex-end; }
.edit-btn {
    padding: 5px 12px; border-radius: 8px; font-size: 12px; font-weight: 500; cursor: pointer;
    font-family: var(--font); border: 1px solid;
    transition: all .15s;
}
.edit-btn.save { background: rgba(var(--ar),.2); border-color: rgba(var(--ar),.35); color: var(--accent); }
.edit-btn.save:hover { background: rgba(var(--ar),.35); }
.edit-btn.cancel { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); color: var(--t2); }
.edit-btn.cancel:hover { background: rgba(255,255,255,.1); }