/* Login — dùng chung font + scale fluid tax3s-tokens (không khóa rem cứng) */

:root {
    --ktl-font: var(--tx-font);
    --ktl-fs: var(--tx-fs-base);
    --ktl-fs-title: var(--tx-fs-2xl);
}

* { box-sizing: border-box; }

html {
    font-family: var(--tx-font);
    font-size: var(--tx-fs-base);
}

body {
    margin: 0;
    min-height: 100%;
    font-family: inherit;
    font-size: inherit;
    line-height: var(--tx-lh, 1.45);
    color: var(--ktl-text, var(--tx-text));
    background: var(--kt-mesh-base, var(--tx-bg, #e8ecf0));
}

.ktl-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: inherit;
    font-size: inherit;
}

.ktl-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
}

.ktl-home,
.ktl-theme {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ktl-navy, var(--tx-primary));
    text-decoration: none;
    font-size: var(--ktl-fs);
    font-weight: 600;
}

.ktl-home:hover { text-decoration: underline; }

.ktl-theme select {
    height: 32px;
    border: 1px solid var(--kt-line, var(--ktl-line));
    border-radius: 8px;
    background: var(--ktw-input, #ffffff);
    padding: 0 8px;
    color: var(--ktl-text, var(--tx-text));
}

.ktl-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px 40px;
}

.ktl-card {
    width: min(920px, 100%);
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    background: rgba(255, 255, 255, 0.92);
    color: var(--ktl-text, var(--tx-text));
    border: 1px solid rgba(15, 118, 110, 0.18);
    border-radius: 16px;
    box-shadow: 0 18px 50px rgba(15, 118, 110, 0.12);
    overflow: hidden;
}

.ktl-aside {
    padding: 36px 32px;
    background: linear-gradient(165deg, #0f766e 0%, #115e59 55%, #134e4a 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.ktl-logo {
    display: block;
    height: 36px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    align-self: flex-start;
    flex-shrink: 0;
    background: #fff;
    border-radius: 8px;
    padding: 4px 8px;
}

.ktl-kicker {
    margin: 28px 0 6px;
    font-size: var(--ktl-fs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.78;
}

.ktl-aside h1 {
    margin: 0;
    font-size: var(--ktl-fs-title);
    line-height: 1.2;
}

.ktl-lead {
    margin: 12px 0 28px;
    font-size: var(--ktl-fs);
    line-height: 1.55;
    opacity: 0.9;
}

.ktl-steps {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.ktl-steps li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--ktl-fs);
    opacity: 0.95;
}

.ktl-steps span {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.35);
    font-size: var(--ktl-fs);
    font-weight: 500;
}

.ktl-aside__foot {
    margin-top: auto;
    padding-top: 28px;
    display: grid;
    gap: 14px;
}

.ktl-panel { padding: 32px 32px 24px; }

.ktl-block {
    border: 0;
    margin: 0 0 18px;
    padding: 0;
    min-width: 0;
}

.ktl-block legend {
    padding: 0;
    margin-bottom: 12px;
    font-size: var(--ktl-fs);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ktl-muted);
}

.ktl-field { margin-bottom: 12px; }

.ktl-field label {
    display: block;
    margin-bottom: 6px;
    font-size: var(--ktl-fs);
    font-weight: 600;
    color: var(--ktl-navy);
}

.ktl-field input,
.ktl-field select {
    width: 100%;
    height: 42px;
    border: 1px solid var(--kt-line, #c5d0dc);
    border-radius: 10px;
    padding: 0 12px;
    font-size: var(--ktl-fs);
    background: #fff;
    color: var(--ktl-text, var(--tx-text));
}

.ktl-field input:focus,
.ktl-field select:focus {
    outline: none;
    border-color: #0f766e;
    box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.22);
}

.ktl-field input:disabled,
.ktl-field select:disabled {
    background: rgba(241, 245, 249, 0.85);
    color: var(--ktl-muted);
    opacity: 0.85;
    cursor: not-allowed;
}

.ktl-hint {
    margin: 6px 0 0;
    font-size: var(--tx-fs-sm, 0.85rem);
    color: var(--ktl-muted);
    line-height: 1.4;
}

.ktl-demo-hint {
    margin: 0;
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.ktl-demo-hint__title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: var(--ktl-fs);
    font-weight: 500;
    color: #fff;
    line-height: 1.3;
}

.ktl-demo-hint__title i { color: #5eead4; }

.ktl-demo-hint__text {
    margin: 0;
    font-size: var(--ktl-fs);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.5;
}

.ktl-demo-hint__sep {
    margin: 0 0.35rem;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 400;
}

.ktl-demo-hint code {
    display: inline-block;
    padding: 2px 8px;
    margin: 0 2px;
    border-radius: 6px;
    font-weight: 600;
    color: #134e4a;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.ktl-pass-wrap { position: relative; }
.ktl-pass-wrap input { padding-right: 42px; }

.ktl-pass-toggle {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--ktl-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ktl-pass-toggle:hover {
    color: var(--ktl-navy);
    background: rgba(15, 118, 110, 0.08);
}

.ktl-load {
    width: 100%;
    height: 42px;
    margin-top: 4px;
    border: 1px solid rgba(15, 118, 110, 0.35);
    border-radius: 10px;
    background: rgba(15, 118, 110, 0.08);
    color: var(--ktl-navy);
    font-size: var(--ktl-fs);
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.ktl-load:hover { background: rgba(15, 118, 110, 0.14); }
.ktl-load:disabled { opacity: 0.6; cursor: wait; }

.ktl-option-expired { color: #b45309; }

.ktl-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.ktl-error {
    background: #fdecec;
    color: var(--ktl-danger, #b42318);
    border: 1px solid #f4c7c3;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: var(--ktl-fs);
    margin-bottom: 16px;
}

.ktl-error:empty,
.ktl-error[hidden] { display: none; }

.ktl-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--ktl-line, #e2e8f0);
}

.ktl-register {
    height: 44px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: var(--ktl-fs);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    white-space: nowrap;
}

.ktl-register:hover {
    background: #fff;
    color: #0f766e;
    border-color: #fff;
    text-decoration: none;
}

.ktl-ok,
.ktl-exit {
    height: 42px;
    padding: 0 16px;
    border-radius: 10px;
    font-size: var(--ktl-fs);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ktl-ok {
    border: 0;
    background: var(--ktl-navy, #0f766e);
    color: #fff;
    min-width: 150px;
}

.ktl-ok:hover { background: var(--ktl-navy-2, #115e59); }
.ktl-ok:disabled { opacity: 0.4; cursor: not-allowed; }

.ktl-exit {
    border: 1px solid var(--kt-line, #c5d0dc);
    background: transparent;
    color: var(--ktl-muted);
}

.ktl-exit:hover {
    color: var(--ktl-navy);
    background: rgba(15, 118, 110, 0.06);
}

.ktl-workspace { opacity: 0.55; transition: opacity 0.2s; }
.ktl-card.is-ready .ktl-workspace { opacity: 1; }

@media (max-width: 820px) {
    .ktl-card {
        grid-template-columns: 1fr;
        width: min(480px, 100%);
    }

    .ktl-aside {
        padding: 24px 22px 18px;
    }

    .ktl-aside__foot {
        padding-top: 18px;
    }

    .ktl-panel {
        padding: 22px;
    }

    .ktl-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .ktl-ok,
    .ktl-exit {
        width: 100%;
    }
}

@media (max-height: 800px) and (min-width: 821px) {
    .ktl-top { padding: 10px 18px; }
    .ktl-main { padding: 4px 12px 20px; align-items: flex-start; }
    .ktl-aside { padding: 22px 20px; }
    .ktl-kicker { margin: 16px 0 4px; }
    .ktl-lead { margin: 8px 0 16px; }
    .ktl-aside__foot { padding-top: 16px; gap: 10px; }
    .ktl-panel { padding: 20px 22px 16px; }
}