/* TU BRAND IMAGES V1 */
.sidebar .brand.sidebar-brand {
    min-width: 0;
    max-width: 100%;
}
.tu-panel-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 170px;
    max-width: 100%;
}
.tu-panel-brand img {
    width: 100%;
    height: 110px;
    object-fit: contain;
    object-position: left center;
}
.tu-panel-brand small {
    display: block;
    margin-top: 4px;
}
.tu-panel-brand .tu-logo-light {
    display: none;
}
.tu-panel-brand .tu-logo-dark {
    display: block;
}
html[data-theme="light"] .tu-panel-brand .tu-logo-light {
    display: block;
}
html[data-theme="light"] .tu-panel-brand .tu-logo-dark {
    display: none;
}
.login-visual .brand.tu-login-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 320px;
    max-width: 100%;
    position: relative;
    z-index: 1;
}
.tu-login-brand img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    object-position: left center;
}
.tu-login-brand small {
    font-size: 13px;
    letter-spacing: .08em;
}
.tu-mobile-brand img {
    width: 180px;
    max-width: 100%;
    height: 140px;
    object-fit: contain;
}
@media (max-width: 800px) {
    .login-card .tu-mobile-brand {
        justify-content: center;
        margin-bottom: 20px;
    }
}

/* Panel logosu: eski marka boyutuna yakın */
.sidebar .tu-panel-brand { width: auto; max-width: 150px; }
.sidebar .tu-panel-brand img { width: auto; max-width: 150px; height: 40px; object-fit: contain; }
.sidebar .tu-panel-brand small { margin-top: 3px; font-size: 10px; }

/* Panel logosu: eski marka boyutuna yakın */
.sidebar .tu-panel-brand { width: auto; max-width: 150px; }
.sidebar .tu-panel-brand img { width: auto; max-width: 150px; height: 40px; object-fit: contain; }
.sidebar .tu-panel-brand small { margin-top: 3px; font-size: 10px; }

/* TU: küçük logo ve yanında marka adı */
.sidebar .brand.sidebar-brand {
    gap: 0;
}
.sidebar .tu-panel-brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
}
.sidebar .tu-panel-icon {
    display: block;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
}
.sidebar .tu-panel-icon img {
    width: 40px;
    max-width: 40px;
    height: 40px;
    object-fit: contain;
    object-position: center;
}
.sidebar .tu-panel-name {
    display: block;
    margin: 0;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: .03em;
    white-space: nowrap;
    color: inherit;
}

/* Marka alt yazısı — tema bağımsız renk geçişi */
.sidebar .tu-panel-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    min-width: 0;
}
.sidebar .tu-panel-tagline {
    display: block;
    font-size: 11px;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: .025em;
    white-space: nowrap;
    color: #6875ed;
    background: linear-gradient(
        100deg, #3984df 0%, #9464df 52%, #159d9b 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
@media (forced-colors: active) {
    .sidebar .tu-panel-tagline {
        background: none;
        -webkit-text-fill-color: currentColor;
        color: CanvasText;
    }
}

/* Akıllı İşlem Teknolojileri */
.sidebar .tu-panel-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    min-width: 0;
}
.sidebar .tu-panel-tagline {
    display: block;
    max-width: 100%;
    font-size: 10px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: 0;
    white-space: normal;
    color: #6875ed;
    background: linear-gradient(
        100deg, #3984df 0%, #9464df 52%, #159d9b 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
@media (forced-colors: active) {
    .sidebar .tu-panel-tagline {
        background: none;
        -webkit-text-fill-color: currentColor;
        color: CanvasText;
    }
}

/* TU AUTH LEFT — professional layout v1 */
.login-page .login-visual.tu-auth-visual {
    isolation: isolate;
    display: flex;
    justify-content: center;
    padding: clamp(28px, 4vw, 64px);
    color: #edf4ff;
    background:
        radial-gradient(ellipse at 85% 10%, rgba(99, 82, 230, .22), transparent 52%),
        radial-gradient(ellipse at 0% 90%, rgba(0, 172, 189, .12), transparent 55%),
        linear-gradient(145deg, #071322, #0c1730 65%, #081726);
    border-right: 1px solid rgba(148, 163, 184, .12);
}
.tu-auth-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: .25;
    background-image:
        linear-gradient(rgba(148, 163, 184, .12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, .12) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, #000, transparent 85%);
    -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
.tu-auth-content {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: clamp(24px, 4vh, 42px);
}
.tu-auth-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(148, 163, 184, .16);
}
.tu-auth-logo {
    display: block;
    width: 82px;
    height: 82px;
    flex: 0 0 82px;
    object-fit: contain;
}
.tu-auth-brand-copy {
    display: flex;
    flex-direction: column;
    gap: 7px;
    min-width: 0;
}
.tu-auth-brand-name {
    color: #f5f8ff;
    font-size: clamp(16px, 1.6vw, 21px);
    font-weight: 800;
    letter-spacing: .05em;
    line-height: 1.2;
}
.tu-auth-tagline {
    font-size: 12px;
    line-height: 1.5;
    font-weight: 700;
    color: #a3b6ff;
    background: linear-gradient(100deg, #69c5ff, #b39aff 55%, #56dfd4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.tu-auth-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: #9aaecb;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .16em;
    line-height: 1.6;
}
.tu-auth-eyebrow > span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #55d8dc;
    box-shadow: 0 0 12px rgba(85, 216, 220, .4);
}
.tu-auth-intro h1 {
    margin: 17px 0 18px;
    color: #f5f8ff;
    font-size: clamp(30px, 3.1vw, 46px);
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: -.035em;
    text-wrap: balance;
}
.tu-auth-intro h1 > span {
    color: #91b5ff;
    background: linear-gradient(105deg, #73c9ff, #b5a2ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.tu-auth-intro p {
    margin: 0;
    max-width: 440px;
    color: #aebed3;
    font-size: 14px;
    line-height: 1.85;
}
.tu-auth-features {
    display: grid;
    gap: 10px;
}
.tu-auth-feature {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 13px 16px;
    border: 1px solid rgba(148, 163, 184, .14);
    border-radius: 14px;
    background: linear-gradient(
        110deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015)
    );
}
.tu-auth-feature-icon {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 10px;
    color: #83baff;
    background: rgba(75, 129, 230, .12);
}
.tu-auth-feature-icon svg {
    width: 20px;
    height: 20px;
}
.tu-auth-feature:nth-child(2) .tu-auth-feature-icon {
    color: #6ddbc7;
    background: rgba(43, 190, 163, .1);
}
.tu-auth-feature:nth-child(3) .tu-auth-feature-icon {
    color: #b9a0ff;
    background: rgba(143, 104, 238, .12);
}
.tu-auth-feature strong {
    display: block;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
    color: #e4edfa;
}
.tu-auth-feature small {
    display: block;
    margin-top: 3px;
    font-size: 11px;
    line-height: 1.5;
    color: #94a8c3;
}
.tu-auth-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px;
    color: #91a5bf;
    font-size: 10px;
    line-height: 1.5;
}
.tu-auth-footer-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #4ad3b0;
}
.tu-auth-footer-divider {
    width: 1px;
    height: 10px;
    margin: 0 3px;
    background: rgba(148, 163, 184, .3);
}
@media (max-width: 800px) {
    .login-page .login-visual.tu-auth-visual {
        display: none;
    }
}
@media (forced-colors: active) {
    .tu-auth-tagline,
    .tu-auth-intro h1 > span {
        background: none;
        -webkit-text-fill-color: currentColor;
    }
}