/* Sign-in / registration page — matched to SangaiExpress_Prototype_v11.html */
.signin-wrap {
    box-sizing: border-box;
    width: min(100% - 32px, 470px);
    max-width: 470px;
    margin: 10px auto 60px;
    padding: 40px 36px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, #dedede);
    border-radius: 10px;
    box-shadow: var(--shadow-card, 0 5px 16px rgba(0, 0, 0, .12));
    color: var(--text-primary, #222);
}

.signin-logo {
    text-align: center;
    font: 700 22px/1 var(--font-serif, Georgia, serif);
    color: var(--text-primary, #222);
    margin-bottom: 6px;
    letter-spacing: -.01em;
}

.signin-sub {
    text-align: center;
    font: 400 13px/1.5 var(--font-ui, Arial, sans-serif);
    color: var(--text-muted, #888);
    margin-bottom: 28px;
}

.signin-tabs {
    display: flex;
    background: var(--bg-alt, #f2f2f2);
    border-radius: 6px;
    padding: 4px;
    margin-bottom: 24px;
}

.signin-tab {
    flex: 1;
    min-width: 0;
    padding: 9px;
    font: 600 13px/1 var(--font-ui, Arial, sans-serif);
    background: transparent;
    border: 0;
    color: var(--text-muted, #888);
    border-radius: 4px;
    cursor: pointer;
    transition: background .15s, color .15s, box-shadow .15s;
}

.signin-tab.active {
    background: var(--bg-card, #fff);
    color: var(--text-primary, #222);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
}

.signin-field { margin-bottom: 16px; }

.signin-field label {
    display: block;
    margin-bottom: 6px;
    font: 600 12px/1 var(--font-ui, Arial, sans-serif);
    color: var(--text-secondary, #555);
    letter-spacing: .04em;
    text-transform: uppercase;
}

.signin-field input {
    display: block;
    box-sizing: border-box;
    width: 100%;
    padding: 11px 14px;
    font: 400 14px/1.4 var(--font-ui, Arial, sans-serif);
    border: 1px solid var(--border, #dedede);
    border-radius: 6px;
    background: var(--bg-card, #fff);
    color: var(--text-primary, #222);
    transition: border .15s, box-shadow .15s;
}

.signin-field input:focus {
    outline: none;
    border-color: var(--primary, #222);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, .05);
}

.signin-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font: 400 12px/1.3 var(--font-ui, Arial, sans-serif);
}

.signin-text-button {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--primary, #222);
    font: 500 12px/1.3 var(--font-ui, Arial, sans-serif);
    cursor: pointer;
}

.signin-text-button:hover,
.signin-footer a:hover,
.signin-checkbox a:hover { text-decoration: underline; }

.signin-checkbox {
    display: flex !important;
    align-items: center;
    gap: 6px;
    margin: 0 !important;
    color: var(--text-secondary, #555) !important;
    font: 400 12px/1.3 var(--font-ui, Arial, sans-serif) !important;
    letter-spacing: 0 !important;
    text-transform: none !important;
}

.signin-checkbox input {
    width: 14px;
    height: 14px;
    margin: 0;
    flex: 0 0 auto;
    accent-color: var(--primary, #222);
}

.signin-checkbox a,
.signin-footer a {
    color: var(--primary, #222);
    font-weight: 600;
    text-decoration: none;
}

.signin-register-meta { justify-content: flex-start; }

.signin-submit {
    display: block;
    box-sizing: border-box;
    width: 100%;
    padding: 13px;
    background: var(--primary, #080808);
    color: #fff;
    border: 0;
    border-radius: 6px;
    font: 600 14px/1 var(--font-ui, Arial, sans-serif);
    cursor: pointer;
    transition: background .15s;
}

.signin-submit:hover { background: var(--primary-dark, #333); }

.signin-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0 18px;
    color: var(--text-faded, #999);
    font: 500 11px/1 var(--font-ui, Arial, sans-serif);
    letter-spacing: .06em;
}

.signin-divider::before,
.signin-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border, #dedede);
}

.signin-social {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 24px;
}

.signin-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, #dedede);
    border-radius: 6px;
    color: var(--text-primary, #222);
    font: 500 13px/1 var(--font-ui, Arial, sans-serif);
    cursor: pointer;
    transition: background .15s;
}

.signin-social-btn:hover { background: var(--bg-alt, #f2f2f2); }

.signin-footer {
    text-align: center;
    font: 400 12px/1.5 var(--font-ui, Arial, sans-serif);
    color: var(--text-muted, #888);
}

.signin-notice {
    margin: 16px 0 0;
    padding: 10px 12px;
    border: 1px solid var(--border, #dedede);
    border-radius: 6px;
    background: var(--bg-alt, #f5f5f5);
    color: var(--text-secondary, #555);
    font: 400 12px/1.5 var(--font-ui, Arial, sans-serif);
}

.signin-wrap [hidden] { display: none !important; }

@media (max-width: 720px) {
    .signin-wrap {
        width: calc(100% - 24px);
        margin: 24px auto;
        padding: 28px 22px;
    }
}

/* Shared global dark-mode integration */
html[data-mode="dark"] .signin-wrap {
    background: var(--bg-card, #171717);
    border-color: var(--border, #333);
}