/* ============================================================
   ТЕНвизор — Login page styles
   ============================================================ */

.yandex-btn {
    background-color: #FFCC00;
    color: #000000;
    transition: all 0.2s ease;
}

.yandex-btn:hover {
    background-color: #F2C100;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 204, 0, 0.3);
}

.yandex-btn:active {
    transform: translateY(0);
}

.login-shell {
    flex: 1 0 auto;
    min-height: min-content;
    padding: 12px 0;
    overscroll-behavior: contain;
}

@media (min-width: 1024px) {
    .login-shell {
        max-height: 100%;
    }
}

.auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid #ffffff;
    border-radius: 999px;
    padding: 5px;
    margin-bottom: 14px;
}

.auth-tab {
    border-radius: 999px;
    padding: 10px 14px;
    color: #475569;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.auth-tab.active {
    background: var(--brand-dark);
    color: #ffffff;
}

.auth-form {
    display: none;
    flex-direction: column;
    gap: 10px;
}

.auth-form.active {
    display: flex;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.auth-field span {
    color: #475569;
    font-size: 12.5px;
    font-weight: 600;
}

.auth-field input {
    width: 100%;
    height: 44px;
    min-height: 44px;
    border-radius: 15px;
    border: 1px solid #ffffff;
    background: rgba(255, 255, 255, 0.72);
    color: var(--text-primary);
    outline: none;
    padding: 0 15px;
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.auth-field input:focus {
    background: #ffffff;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.auth-message {
    border-radius: 16px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.4;
    margin-bottom: 12px;
}

.auth-message.error {
    background: #fee2e2;
    color: #991b1b;
}

.auth-message.success {
    background: #dcfce7;
    color: #15803d;
}

.register-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.register-step {
    min-width: 0;
    border-radius: 14px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid #ffffff;
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.register-step span {
    width: 19px;
    height: 19px;
    border-radius: 999px;
    background: #ffffff;
    color: #64748b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 11px;
}

.register-step b {
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
}

.register-step.active {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
    color: #ffffff;
}

.register-step.active span {
    color: var(--brand-dark);
}

.register-panel {
    display: none;
    flex-direction: column;
    gap: 10px;
    background: rgba(255, 255, 255, 0.26);
    border: 1px solid #ffffff;
    border-radius: 22px;
    padding: 16px;
}

.register-panel.active {
    display: flex;
}

.register-panel h2 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.register-panel p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.45;
    margin-top: 2px;
}

.register-panel-head {
    min-height: 54px;
}

.register-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    padding-top: 2px;
}

.register-back,
.register-next,
.register-submit {
    height: 54px;
    min-height: 54px;
    padding: 0 18px;
    border-radius: 22px;
    font-size: 14px;
    line-height: 1;
    white-space: nowrap;
}

.register-back {
    flex: 0 1 42%;
}

.register-next,
.register-submit {
    flex: 1 1 58%;
}

body.register-mode .login-shell {
    justify-content: center;
}

body.register-mode .auth-tabs {
    margin-bottom: 12px;
}

button:disabled {
    opacity: 0.65;
    cursor: wait;
}

.register-actions .hidden {
    display: none !important;
}

@media (max-width: 640px) {
    .login-shell {
        justify-content: flex-start;
    }

    .register-step {
        flex-direction: row;
        gap: 4px;
        font-size: 11px;
        padding: 8px 6px;
    }

    .register-step b {
        display: inline;
    }

    .register-actions {
        flex-direction: row;
        gap: 10px;
    }

    .register-back,
    .register-next,
    .register-submit {
        height: 50px;
        min-height: 50px;
        padding: 0 14px;
        border-radius: 20px;
        font-size: 13px;
    }

    .register-back {
        flex-basis: 38%;
    }

    .register-next,
    .register-submit {
        flex-basis: 62%;
    }
}

@media (max-width: 380px) {
    .register-actions {
        flex-direction: column;
    }

    .register-back,
    .register-next,
    .register-submit {
        width: 100%;
        flex-basis: auto;
    }
}

/* Дополнительный кастомный градиент для оверлея в тёмной части логина */
.login-dark-overlay {
    background: linear-gradient(to top, var(--brand-dark) 0%, transparent 50%, rgba(12, 74, 110, 0.5) 100%);
}